Agilent Technologies e4419b manual

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144

Ir a la página of

Buen manual de instrucciones

Las leyes obligan al vendedor a entregarle al comprador, junto con el producto, el manual de instrucciones Agilent Technologies e4419b. La falta del manual o facilitar información incorrecta al consumidor constituyen una base de reclamación por no estar de acuerdo el producto con el contrato. Según la ley, está permitido adjuntar un manual de otra forma que no sea en papel, lo cual últimamente es bastante común y los fabricantes nos facilitan un manual gráfico, su versión electrónica Agilent Technologies e4419b o vídeos de instrucciones para usuarios. La condición es que tenga una forma legible y entendible.

¿Qué es un manual de instrucciones?

El nombre proviene de la palabra latina “instructio”, es decir, ordenar. Por lo tanto, en un manual Agilent Technologies e4419b se puede encontrar la descripción de las etapas de actuación. El propósito de un manual es enseñar, facilitar el encendido o el uso de un dispositivo o la realización de acciones concretas. Un manual de instrucciones también es una fuente de información acerca de un objeto o un servicio, es una pista.

Desafortunadamente pocos usuarios destinan su tiempo a leer manuales Agilent Technologies e4419b, sin embargo, un buen manual nos permite, no solo conocer una cantidad de funcionalidades adicionales del dispositivo comprado, sino también evitar la mayoría de fallos.

Entonces, ¿qué debe contener el manual de instrucciones perfecto?

Sobre todo, un manual de instrucciones Agilent Technologies e4419b debe contener:
- información acerca de las especificaciones técnicas del dispositivo Agilent Technologies e4419b
- nombre de fabricante y año de fabricación del dispositivo Agilent Technologies e4419b
- condiciones de uso, configuración y mantenimiento del dispositivo Agilent Technologies e4419b
- marcas de seguridad y certificados que confirmen su concordancia con determinadas normativas

¿Por qué no leemos los manuales de instrucciones?

Normalmente es por la falta de tiempo y seguridad acerca de las funcionalidades determinadas de los dispositivos comprados. Desafortunadamente la conexión y el encendido de Agilent Technologies e4419b no es suficiente. El manual de instrucciones siempre contiene una serie de indicaciones acerca de determinadas funcionalidades, normas de seguridad, consejos de mantenimiento (incluso qué productos usar), fallos eventuales de Agilent Technologies e4419b y maneras de solucionar los problemas que puedan ocurrir durante su uso. Al final, en un manual se pueden encontrar los detalles de servicio técnico Agilent Technologies en caso de que las soluciones propuestas no hayan funcionado. Actualmente gozan de éxito manuales de instrucciones en forma de animaciones interesantes o vídeo manuales que llegan al usuario mucho mejor que en forma de un folleto. Este tipo de manual ayuda a que el usuario vea el vídeo entero sin saltarse las especificaciones y las descripciones técnicas complicadas de Agilent Technologies e4419b, como se suele hacer teniendo una versión en papel.

¿Por qué vale la pena leer los manuales de instrucciones?

Sobre todo es en ellos donde encontraremos las respuestas acerca de la construcción, las posibilidades del dispositivo Agilent Technologies e4419b, el uso de determinados accesorios y una serie de informaciones que permiten aprovechar completamente sus funciones y comodidades.

Tras una compra exitosa de un equipo o un dispositivo, vale la pena dedicar un momento para familiarizarse con cada parte del manual Agilent Technologies e4419b. Actualmente se preparan y traducen con dedicación, para que no solo sean comprensibles para los usuarios, sino que también cumplan su función básica de información y ayuda.

Índice de manuales de instrucciones

  • Página 1

    Agilent T echnologi es Part no. E441 8-90059 Revision C Septe mbe r 2003 S er v ic e G u id e Ag il ent T ech no log ie s E4 41 8B / E4 41 9B P ower Met ers[...]

  • Página 2

    ii Agilent E4418 B/E4419B Servic e Guid e © Copyrig ht 1998, 2003Ag ilent T echnol ogies All rights reserv ed. Repro ductio n, adapt ation, or tra nslation withou t prior writt en perm is sion is proh ibi ted, ex ce pt as al lowed under the cop yright la ws. Pri nted in the UK.[...]

  • Página 3

    Leg a l In f o rm a t io n Agile nt E 4418B/ E4419B Serv ice Guide iii Le ga l In f or m ati on Notice Inform ation conta ined in thi s document is subj ect to chang e without notic e. Agilent T echnol ogies makes no warra nty of any kind with r ega rd to thi s material , includin g, but not li mite d to, the impl ied warranti es of mercha nta bili[...]

  • Página 4

    Legal I nformation iv Agilent E4418 B/E4419B Servic e Guid e Li mit at ion of W arran ty The foregoi ng warrant y shall not appl y to defects res ul ting from improp er or inad equate m aintena nce by B uyer , Buyer -supplied soft wa re o r inte rfacing, unaut horize d modi fic ation or misus e, operation out side of th e env ironm ental spe ci fic[...]

  • Página 5

    Equipment Oper ation Agile nt E 4418B/ E4419B Serv ice Guide v Equi pment Oper ati on W ar nin gs a nd Caut i ons This gui de uses warnings and cautions to de note hazard s. W ARNING A warning calls attention to a procedure, practice or the like, wh ich, if not correctly perfor med or adhe r ed to, could result in i njury or the loss of l ife. Do n[...]

  • Página 6

    Equipment Operat ion vi Agilent E4418 B/E4419B Service Guide Gener al Safety Co nsideratio ns W ARNING Bef o re thi s in s tr u m en t is s w i t che d on, ma k e s ure it h as be en prop erly gr ounded through the protective conductor of the ac po wer cable to a soc ket outle t pr ovided wi th prot ective e arth c ontact. Any inte rr u pt ion of t[...]

  • Página 7

    Equipment Oper ation Agile nt E 4418B/ E4419B Serv ice Guide vii IEC 101 0-1 Com pliance This inst rument ha s been designe d and t ested in ac cordance with IEC Public ation 1010-1 +A1: 1992 Safety Requi rements for Elec tri cal Equipment for Measur ement, Contro l a nd Labo ratory Us e and has been suppl ie d in a s afe condi ti on. Th e ins truc[...]

  • Página 8

    List of Re l ated Publications viii Agilent E4418 B/E4419B Servic e Guid e Li st of Rel ate d P ub li c ati on s The Agi le nt E 4418B and Agile nt E4419B Us e r ’ s Gui des are al so av ai la bl e in the follo wing langua ges: • Engl ish Language Us er’ s Guide - Sta ndard • German La ngua ge User ’ s Guide - Option ABD • Spanis h Lang[...]

  • Página 9

    Sales and Serv ice Offices Agile nt E 4418B/ E4419B Serv ice Guide ix Sale s a nd S erv ice Of fic es For m ore inf ormation a bout Agil e nt T ec hnologies t est and measurement products , applica tions , servic e s, a nd fo r a current sale s office listing, visit our web site: http ://www .agile nt.com Y ou can also cont act one of the following[...]

  • Página 10

    Sales and Ser vice Offices x Agilent E4418B/E 4419B Se rvice Guide Eur ope: Agile nt T echnol ogies T es t & Meas u re men t Europea n Marketin g Or ganization P .O. Box 999 1 180 AZ Amstelvee n The Netherla nds (tel) (31 20) 547 9999 Latin America: Agile nt T echnol ogies Latin America n Region H eadquarte rs 5200 B lue Lagoon Drive, Suite #9 [...]

  • Página 11

    Sales and Serv ice Offices Agile nt E 4418B/ E4419B Serv ice Guide xi Re tu rn i n g Y o ur P o wer Met er fo r S er v ic e Use th e info rmation in thi s se ct ion if you need to retu rn your power meter to Agile nt T echnol ogies. Packag e the Power M eter fo r Ship men t Use th e foll owin g steps to pa ckage th e power met er f o r s hipment to[...]

  • Página 12

    Abou t this G u id e xii Agil ent E4418 B/E4419B Servic e Guid e Ab out th is Gu ide Chapter 1: Specifications This cha pter list s the power mete r’ s specifi cations and de sc rib es how to interpr et the s e sp ec if i ca tio n s. Chapter 2: Perfo rman ce T est s This c hapte r contains pr oc edure s which allo w you to te st t he power mete r[...]

  • Página 13

    T able of Contents Pa g e Agile nt E 4418B/ E4419B Serv ice Guide Conten ts-1 Spe ci fic at io ns . ..... ..... .... ..... ..... ..... .. ..... ..... .... ..... ..... .... ..... ... .... ..... ..... .... . 1 Intr oduction.... ..... ..... ..... .. ..... .... ..... ..... ..... .... ..... ..... .. ..... ..... .... ..... ... 1 -2 Power Me te r Spe cifi[...]

  • Página 14

    Conte nts-2 Agilent E4418 B/E4419B S ervice Guide Equipmen t ... ..... .... ..... ..... ..... .... ... .... ..... ..... ..... .... ..... ..... ..... .. .... 2-5 Test Setup .... ..... .... ..... ..... ..... .... ... .... ..... ..... ..... .... ..... ..... .. ..... .... 2- 5 Pro cedure ..... ..... .... ..... ..... ..... .... ... .... ..... ..... ....[...]

  • Página 15

    Agile nt E 4418B/ E4419B Serv ice Guide Conten ts-3 Pro cedure .... .... ..... ..... ..... .... ..... ... .... ..... ..... .... ..... ..... ..... .. ..... .... . 3-11 Theory of O p eration ... ..... ..... ..... .... ... ..... .... ..... ..... .... ..... ..... .. ..... ..... .... . 1 Intr oduction.... ..... ..... ..... .. ..... .... ..... ..... ....[...]

  • Página 16

    Conte nts-4 Agilent E4418 B/E4419B S ervice Guide Defi ne the Measu rement Equation .... ... .... ..... ..... .... ... .. ..... .... A-3 Sensi t ivi ty Coeffic ients Ci: .... .. ..... ..... .. ... .... ..... ..... .... ... .. ..... .... A-8 Combined Stan da rd Unc e r tainty uc(y): .... ..... ..... .... ..... ... .. .... A-9 Expanded Unc ert ainty [...]

  • Página 17

    1 Specificati ons[...]

  • Página 18

    Sp ecif ica tio ns Intr oduction 1-2 Agilent E4418B/E 4419B Se rvice Guid e In trod uc tio n This ch apte r det ails th e po we r me ter’s specific atio n s and supp lem e nta l cha rac te ris ti cs. Specificatio n s desc ri be the warran ted perform a nc e and apply after a 30 minute w a rm-u p . These specifi c ations are val id over the power [...]

  • Página 19

    Sp ecif ica tio ns Power Met er Spec ifications Agile nt E4 418B/ E4419B Serv ice Guide 1-3 P owe r Me ter S pec ifi cat io ns Met e r Fre que nc y R ang e 100 kHz to 1 10 GH z, po w er senso r dependent P owe r R ange -70 dBm to + 44 dBm (100 pW to 2 5 W), power sensor de pendent P ower S ens ors Com patible with all Agile nt 848 0 serie s p owe r[...]

  • Página 20

    Sp ecif ica tio ns Po w e r M e te r S p e ci fi ca t io n s 1-4 Agilent E4418B/E 4419B Se rvice Guid e Ac cu r a cy Instrume ntation Abs o lut e: ± 0.0 2 dB (L og ari th mic ) or ± 0. 5% (Lin ear). ( R efer to th e power sens or l inear ity sp eci fication in y our po wer sen so r m an ual to a ssess over a ll sys t em accu racy .) Relat ive: ±[...]

  • Página 21

    Sp ecif ica tio ns Power Met er Spec ifications Agile nt E4 418B/ E4419B Serv ice Guide 1-5 1 mW Power Re fe re n ce 1 • P ower Out put : 1.00 mW (0.0 dBm). • A cc ur a cy : (fo r t wo ye a rs ) ± 0.9% (0 to 55 ºC). ± 0.6% (25 ± 10 ºC ). ± 0.5% (23 ± 3 ºC). • F reque ncy : 50 MH z no m ina l . •S W R 2 : 1.06 ma ximum (1 .08 maximum[...]

  • Página 22

    Sp ecif ica tio ns Power M eter Supp lemental Characteri stics 1-6 Agilent E4418B/E 4419B Se rvice Guid e P owe r Me te r Su p plem enta l Ch ar acter is tic s Measu rement Spe ed Ov er the GP - I B , th re e m ea s ur em e n t sp ee d m o de s ar e a v ail a b l e as sho wn , al on g wi t h th e t yp i c a l ma x i m um m ea s ur em e nt sp ee d f[...]

  • Página 23

    Sp ecif ica tio ns Power Meter Suppl em enta l Characteristi cs Agile nt E4 418B/ E4419B Serv ice Guide 1-7 Measu rement No ise P ower senso r depen dent (refe r to T able 1-2 an d Table 1-3). A verag ing effects on m easu reme nt nois e. A verag ing ove r 1 to 1 024 readin gs is availa ble for redu cin g noise. T able 1-3 p rovid es th e measureme[...]

  • Página 24

    Sp ecif ica tio ns Power M eter Supp lemental Characteri stics 1-8 Agilent E4418B/E 4419B Se rvice Guid e T able 1-3 : P o wer Sensor Spec ificatio ns± Po w e r S e n s o r Zer o Drift 1 1. Wi thin 1 hour afte r zero set, at a cons tant te mpera ture , aft er a 24 hour w arm-up of th e power met er . Me a s ur em en t No i s e 2 2. The num be r of[...]

  • Página 25

    Sp ecif ica tio ns Power Meter Suppl em enta l Characteristi cs Agile nt E4 418B/ E4419B Serv ice Guide 1-9 Sett ling Time 0 to 99% s ettled readin g s over the GP-IB . For A gi lent 848 0 s eries p ower sen sors Manual filter , 1 0 dB decreasing power s tep: T able 1-4: Settling T ime Auto fi lte r , de fa ul t res o lu t ion , 10 dB de cr ea s i [...]

  • Página 26

    Sp ecif ica tio ns Power M eter Supp lemental Characteri stics 1-10 Agilent E4418 B/E4419B Service Guide For A gilen t E -series powe r senso rs In F AST m ode , wit h in th e ra nge - 5 0 dBm to +17 dBm, fo r a 10 dB decr ea s in g po wer st ep , th e s et t lin g tim e is 1 0 m s 1 for the Agilent E4418 B and 20 ms 1 for the Ag ilent E4419B 1 W h[...]

  • Página 27

    Sp ecif ica tio ns Power Meter Suppl em enta l Characteristi cs Agile nt E 4418B/ E4419B Serv ice Guide 1-11 Auto fi lte r , de fa ul t res o lu t ion , 10 dB de cr ea s i ng p o we r st ep, nor m al a nd x 2 s pee d m ode s: 10 dB 10 dB 10 dB 60 dB Maximum dBm Minimum d Bm Po w e r Sensor 40 m s 3.4 s 210 m s 70 m s S ettling Times Typi cal Dyna m[...]

  • Página 28

    Sp ecif ica tio ns Power M eter Supp lemental Characteri stics 1-12 Agilent E4418 B/E4419B Service Guide P ower S ensor Specificat ions Definitions Zero Se t In any powe r meas ur emen t, th e powe r me te r mus t initi ally be se t to zero with no powe r appli ed to the pow er se nso r . Zero se ttin g is acc o m plish e d within th e p owe r m et[...]

  • Página 29

    Sp ecif ica tio ns Battery Option 001 Oper ationa l Chara cteristi cs Agile nt E 4418B/ E4419B Serv ice Guide 1-13 Bat te ry O pt io n 0 01 Op er at iona l C har ac te ri sti cs The followi ng inform ation descr ibes charac teristic pe rforman ce based at a temper ature of 25 ° C unless o ther w ise no te d. Ch aracte ri stic s des cr ibe produ ct[...]

  • Página 30

    Sp ecif ica tio ns Gene ral Charact eristic s 1-14 Agilent E4418 B/E4419B Service Guide Gene ral Ch ar ac teris ti cs Rea r P anel Conn ector s Recorder Output(s) Analog 0-1 V olt, 1 k Ω o ut put im pe da n ce, BNC con ne ct or GP-IB All ows commun icat ion w ith an e xtern al GP- IB contr olle r . RS-232/422 Allows communic ation with an externa[...]

  • Página 31

    Sp ecif ica tio ns Envir onmental Chara cter istics Agile nt E 4418B/ E4419B Serv ice Guide 1-15 En v ir onm enta l Ch arac ter i sti cs General Co nditions Co m p lie s w i t h th e r eq u ir em e n t s of th e E M C D i re ct i ve 8 9/ 3 3 6 / E E C. This includes Ge neric Im mu nity Stan dard EN 50 082-1: 199 2 an d Radiated Interference Standar[...]

  • Página 32

    Sp ecif ica tio ns General 1-16 Agilent E4418 B/E4419B Service Guide Gene ral Dime ns io ns The following dimensions excl u de fro n t and r ear pane l pro t rusions : 212.6 mm W x 88.5 m m H x 348.3 mm D (8.5 in x 3.5 in x 13.7 in) We i g h t Net Agilent E4418B, 4.0 k g (8.8 lb) - 5.0 kg ( 1 1.0 lb) with opti on 001 Agilent E4419B, 4.1 k g (9.0 lb[...]

  • Página 33

    Sp ecif ica tio ns Ge ne ra l Agile nt E 4418B/ E4419B Serv ice Guide 1-17 Re mo te Prog ramm i ng Interface GP-IB interfa ce operates to IEEE 488.2. RS-232 an d RS-422 interface s are suppli ed as sta nd ar d. Com ma n d La ngu age SCPI st a n dard in t erf ac e com ma nds . Agilent E4418B is HP 437B cod e com patibl e. HP E4419B is H P 438 A c od[...]

  • Página 34

    Sp ecif ica tio ns General 1-18 Agilent E4418 B/E4419B Service Guide[...]

  • Página 35

    2 Pe r f o r m a n c e T e s t s[...]

  • Página 36

    P erf or mance T ests Intr oduction 2-2 Agilent E4418B/E 4419B Se rvice Guid e In trod uc tio n The procedu res in thi s c hapt er test the power meter’ s elect ri c al perfor mance us i ng the specif ications i n Chapte r 1 as the per formance sta n dards. All t ests c an be per formed wi t hout access t o the in terior of the powe r me te r . A[...]

  • Página 37

    P er formance T ests Introd uction Agile nt E4 418B/ E4419B Serv ice Guide 2-3 Equi p ment R e qu i re d T able 2-1 lis t s all the equipment r equired fo r the adj ustments and perfor mance tes ts. If subs tituti on s must be made , the equipment u sed mus t meet the cr itic al sp ecific atio ns. T able 2-1: Required Equip men t Equi pmen t Requi [...]

  • Página 38

    P erf or mance T ests Intr oduction 2-4 Agilent E4418B/E 4419B Se rvice Guid e P erf ormance T est Reco rd Resul ts of the perfo rman ce te sts may be tabula te d in T able 2-7, “P erf orman ce T est Re cord,” o n page 2-2 3 . T he P e rfor manc e T est Rec ord lists all o f the p er form ance test spe cific ation s an d th e acce ptable lim it[...]

  • Página 39

    P er formance T ests Zero Tes t Agile nt E4 418B/ E4419B Serv ice Guide 2-5 Zer o T e st Spe cification Desc r iptio n After the pow er m ete r is i nitia lly calib rated a nd zer oed, th e change i n th e digit al re ado ut is m onit ore d . This te st als o take s d rift and no is e into ac co un t , si nce d rif t , no i se a nd z e ro re a d in[...]

  • Página 40

    P erf or mance T ests Zero Test 2-6 Agilent E4418B/E 4419B Se rvice Guid e Pr oced ure The following procedur e should b e per formed fo r the Z ero T est. Note Th e procedure deta i l s the key pres se s requi red on the Agilent E 4418B. F or the Agilent E4419B the equiv alent key pres se s shoul d be perf ormed on both chan nels . 1. Conne ct the[...]

  • Página 41

    P er formance T ests Instr ument Accu racy Tes t Agile nt E4 418B/ E4419B Serv ice Guide 2-7 Instr u men t Ac cu racy T e st Spe cification Description The power met er acc uracy is verified for variou s power inputs . Ther e are two dif fere nt meth o ds des cribe d he re th at can be used to p erform this te st, alt h ough on e of these methods h[...]

  • Página 42

    P erf or mance T ests Inst rument Acc uracy Te st 2-8 Agilent E4418B/E 4419B Se rvice Guid e T est S etup Figure 2-2: Instr umen t Accu racy T e s t S etup Pr oced ure The foll owing proc edure should b e performed for t he Instrument Accurac y Te s t . Note Th e procedure deta i l s the key pres se s requi red on the Agilent E 4418B. F or the Agil[...]

  • Página 43

    P er formance T ests Instr ument Accu racy Tes t Agile nt E4 418B/ E4419B Serv ice Guide 2-9 Note When switch ing th e rang e ca libr ato r to STAN DBY , allo w en ough time for th e r ang e c alibr ator to se ttle to its z er o va lue be fore attemp tin g to zer o the po wer mete r . Th is settlin g wo ul d app ear on the pow er meter displa y as [...]

  • Página 44

    P erf or mance T ests Inst rument Acc uracy Te st 2-10 Agilent E4418 B/E4419B Service Guide T able 2-3: Inst ru m e nt A ccurac y Re s ult s (F or Indi cation Only ) Note Th e nomin al outp uts for t he 3 µ W, 3 0 µ W , 300 µ W , 3 mW , 10 mW , 30 m W and, 100 mW setting s are 3.16 µ W , 31.6 µ W , 316 µ W, 3.156 mW , 10.03 m W , 31.78 m W , [...]

  • Página 45

    P er formance T ests Instr ument Accu racy Tes t Agile nt E 4418B/ E4419B Serv ice Guide 2-11 T est P r oce du re 2 Note This test proced ure make s use of a 11683A Range Calibr ator fitted wit h opt io n H01. The measur ement uncer t a i nty of this test procedu re is sign ifican tly low er t han th e pr evio us ly descr ibed method (r efer to App[...]

  • Página 46

    P erf or mance T ests Inst rument Acc uracy Te st 2-12 Agilent E4418 B/E4419B Service Guide Pr oced ure The foll owing proc edure should b e performed for t he Instrument Accurac y Te s t . Note Th e procedure deta i l s the key pres se s requi red on the Agilent E 4418B. F or the Agilent E4419B the equiv alent key pres se s shoul d be perf ormed o[...]

  • Página 47

    P er formance T ests Instr ument Accu racy Tes t Agile nt E 4418B/ E4419B Serv ice Guide 2-13 Note When switch ing th e rang e ca libr ato r to STAN DBY , allo w en ough time for th e r ang e c alibr ator to se ttle to its z er o va lue be fore attemp tin g to zer o the po wer mete r . Th is settlin g wo ul d app ear on the pow er meter displa y as[...]

  • Página 48

    P erf or mance T ests Inst rument Acc uracy Te st 2-14 Agilent E4418 B/E4419B Service Guide 14. Set th e DC cal ibrat or outpu t to the v alues s hown in T able 2-4. Fo r each setti ng, set the filte r lengt h of th e po we r me te r to the co rr es p o n ding va l ue, and ve ri fy th at th e powe r met e r rea din g is within the limi ts sho w n. [...]

  • Página 49

    P er formance T ests Power Refe rence Le vel Test Agile nt E 4418B/ E4419B Serv ice Guide 2-15 P owe r Refe re nce L evel T es t Description This test v erifies th e power l evel a ccuracy of the internal 5 0 MHz os c ill a t or —a l so cal l ed t he p ow er ref eren ce osc ill a t or . The p o w er re f e re nc e osc illator output is fact ory a[...]

  • Página 50

    P erf or mance T ests Power Refer ence Level Test 2-16 Agilent E4418 B/E4419B Service Guide If an equivale nt measu reme nt system i s employ ed for pos t- f act or y test, the po wer refere nce osc illat or outpu t can again be set to 1 mW ± 0.4% . Th is settin g is suffic ient to ensu re th at th e pow er r eferen ce osc illat or m eets th e acc[...]

  • Página 51

    P er formance T ests Power Refe rence Le vel Test Agile nt E 4418B/ E4419B Serv ice Guide 2-17 Equi p ment • T es t po w er met e r: Agi l ent 432 A. • The rmis to r moun t: Agilen t 478A opt ion H75 or H76. • Dig ital vo ltmeter (DVM): Ag ilent 3458 A. T est S etup F i gure 2-4: P ower Reference Lev el T est Setup Pr oced ure Use the foll ow[...]

  • Página 52

    P erf or mance T ests Power Refer ence Level Test 2-18 Agilent E4418 B/E4419B Service Guide 4. Pr eset th e power met er: Press , th en on the p ow e r me te r . Set th e Agilent 4 32A RANGE switch to Coarse Z ero. Adj ust the front pan el C oar se Z ero co ntro l t o obt ai n a z ero me ter ind icat ion . 5. Zero the Agi lent 432A test p o wer me [...]

  • Página 53

    P er formance T ests Agil ent E- S eri es Power Sensor Int erface Test Agile nt E 4418B/ E4419B Serv ice Guide 2-19 Agi len t E -Ser ies P ower S en sor In te rfac e T e st The Agilent E-series powe r sens ors have their sensor calib r a tion tabl es store d in EEPROM w hic h enables the frequenc y a nd calibrat i on factor data to b e downl oa ded[...]

  • Página 54

    P erf or mance T ests Agile nt E-Seri es Power Sensor Functiona l Test 2-20 Agilent E4418 B/E4419B Service Guide Ag ilent E -Seri e s P o w er Se nsor Fu ncti o nal T est Description This test ve r if ie s that the meter /sen so r com bin ation can m ak e RF measu rements. The Agilent E-series powe r sens ors operate over a 90 dB dyna mic range (-7[...]

  • Página 55

    P er formance T ests Agilent E-Ser ies Power Sensor Funct ional Test Agile nt E 4418B/ E4419B Serv ice Guide 2-21 2. P ress the n . 3. On the power meter press , . W ait approximat el y 10 secon ds for th e wait sym b ol t o d isappe ar . V er ify that th e display read s 0 ± 50 pW . 4. P ress to calibra te the p owe r m ete r . 5. Tu rn the po w [...]

  • Página 56

    P erf or mance T ests Agile nt E-Seri es Power Sensor Functiona l Test 2-22 Agilent E4418 B/E4419B Service Guide T able 2-6: Functional T est Resu lt Te s t Chan nel A Ov e rl oa d Er ro r Chan ne l B O verl o a d E r ro r (Agi lent E4419B Onl y) Low Range , 30 dB pad Upper Range , 3 0 dB pad Low Ra ng e , no p a d Hig h R a ng e, no p ad[...]

  • Página 57

    P er formance T ests Perfor m ance Test Record Agile nt E 4418B/ E4419B Serv ice Guide 2-23 P er forma nc e T est R e cord Model Ag ile nt E4418B/E4 419B P owe r Meter T ested by _________ ___________ ___________ ____________ Ser i al Number ________ _____ ______ ___________ _________ Date _________ ______ T able 2-7: P erformance T est Record Te s[...]

  • Página 58

    P erf or mance T ests Perfo rmance Test Record 2-24 Agilent E4418 B/E4419B Service Guide Out p u t S t an ding W ave Ratio T est 1 N/A ________ ___ ________ ___ 1. 06 1, 2 1.08 1, 3 1. This test is not c hannel related. 2. F or i nstrument s with t he 50M Hz 1mW out put ( power ref ) co nnector mounted on t he fron t p anel. 3. F or inst ruments wi[...]

  • Página 59

    3 Adjustments[...]

  • Página 60

    Adjus tments Intr oduction 3-2 Agilent E4418B/E 4419B Se rvice Guid e In trod uc tio n This ch apte r des cr ibe s adju stm e nt s and check s wh ich ensu re p rop e r perfor mance of the power meter . Adj ustments are n ot normall y re q uired on any fixed periodi c basis , and normall y are performed on ly af ter a perfor mance tes t has indicate[...]

  • Página 61

    Adjus tments Introd uction Agile nt E4 418B/ E4419B Serv ice Guide 3-3 Equi p ment R e qu i re d The adju stment procedu res inc lude a list of rec ommended tes t equipment. The test equipment i s also ident i fied on the t est se tup dia g rams . P ost-Rep air Adjustm ents T ab le 3-1 lists th e ad ju stment s r elate d to re pairs or rep lace men[...]

  • Página 62

    Adjus tments Power Refer ence Oscillat or Frequency Adj ustment 3-4 Agilent E4418B/E 4419B Se rvice Guid e P ow e r R efe re nc e O sci l la to r F req ue ncy A d jus tm e nt Note Adjustm ent of t he p ow er r ef erenc e osc illator fr eq uenc y may a lso affect the outp u t lev el of the os cilla to r . There fore, after th e frequency is adju ste[...]

  • Página 63

    Adjus tments Powe r Refer ence Oscillat or Frequency Adjust m ent Agile nt E4 418B/ E4419B Serv ice Guide 3-5 3. Tu rn the po w e r re f e re nc e on by pr es s in g ■ , on the A gilen t E44 18B . ■ , , , on t he Agilent E4419B. 4. Obse r ve the r eading o n the f requency c ounter . If it is 50.0 ± 0.5 MH z, no adju stme nt of t he p ow er r [...]

  • Página 64

    Adjus tments Power Refer ence Oscillat or Level Adjustment 3-6 Agilent E4418B/E 4419B Se rvice Guid e Power Re feren ce Osc illato r Level Ad ju stme nt Description This test ad justs th e powe r le v el ac curac y of th e in te rnal 5 0 M Hz osc i llat or —also called the power ref erenc e oscill a t or . The pow er ref ere nc e osc illator outp[...]

  • Página 65

    Adjus tments Power Referen ce Oscilla tor Le vel Adjust ment Agile nt E4 418B/ E4419B Serv ice Guide 3-7 Note The p owe r mete r may be re turne d to the near est A g ilent Te c hnol ogie s of fice to h ave the power r eference o scillator chec ked and/o r adju s ted. F i gure 3-3: Ad justment Se tup F o r th is adju stme nt th e followin g math e [...]

  • Página 66

    Adjus tments Power Refer ence Oscillat or Level Adjustment 3-8 Agilent E4418B/E 4419B Se rvice Guid e By su bstitu tin g eq uati on 3 into equ atio n 1 and ma ni pu latin g th e res ult you get: Thi s q u a d rat i c ca n be so lv e d to g ive eq ua ti on 2. The definit i on s of t he terms in equation 2 are: •V 0 is t he vol tage meas ured betw [...]

  • Página 67

    Adjus tments Power Referen ce Oscilla tor Le vel Adjust ment Agile nt E4 418B/ E4419B Serv ice Guide 3-9 3. Con ne ct the equi pmen t as s hown in Fig ur e 3-3. The lead s shoul d be isol ated from g round. Ensure tha t the pow er refer ence osci llator i s off . Ens ur e that bot h the pow e r me ter un der tes t and the A gilen t 43 2A hav e been[...]

  • Página 68

    Adjus tments Power Refer ence Oscillat or Level Adjustment 3-10 Agilent E4418 B/E4419B Service Guide 14. Remo ve the power meter ’s cover and adjust A2R90 un til the DVM indi cat es t h e calcu l ated value of V 1 . Refer to Figure 3- 4 for th e pos ition of A2R90 : F igure 3-4: A2R9 0 A d justment Locat ion Measu rement Un certainty Refer to App[...]

  • Página 69

    Adjus tments Displ ay Brightne ss and Co ntrast Adjustment Agile nt E 4418B/ E4419B Serv ice Guide 3-11 Disp lay Br ig ht ne ss and C ont ra st Adj us tm ent In tr oduct ion The following procedur e should be perfor med whenever a f r ont pane l ass emb ly or proces so r a ssemb l y are replac ed. The b rig htn ess is cont rolle d a uto matic ally [...]

  • Página 70

    Adjus tments Displ ay Brightness and Contr ast Adjustment 3-12 Agilent E4418 B/E4419B Service Guide[...]

  • Página 71

    4 Theory of Operation[...]

  • Página 72

    Theory of Oper ation Intr oduction 4-2 Agilent E4418B/E 4419B Se rvice Guid e In trod uc tio n This chapter descri bes how each of the power meter’ s assembli es operat e. A bloc k diagram is inc luded at the en d of the chapt er giving y ou an overall view of the power meter’ s operat io n.[...]

  • Página 73

    Theory of Opera tion A1 Power Su pply/Batte ry Charg er Agile nt E4 418B/ E4419B Serv ice Guide 4-3 A1 P ower Su pply/Ba tter y Ch arger The A1 po wer supp ly/batt ery charger is a 20 W , 47 to 44 0 H z swit ching power su pply prod uci ng three dc voltages, (+5 V , +12 V , -12 V) used to powe r the su basse mb l ie s, and a constan t cur ren t sup[...]

  • Página 74

    Theory of Oper ation A2 Processor Assem bly 4-4 Agilent E4418B/E 4419B Se rvice Guid e A2 Pro ces sor Ass em bly The proces sor assembly co nta i ns the mic roc on tr ol l er and assoc iated ci rcui ts , t he p o w er -on / stan dby co ntrol a nd swit c hin g , the 1 mW ref e rence ca libr ator , the recor der out puts , TTL input/out put, a nd t h[...]

  • Página 75

    Theory of Opera tion A2 Processor Asse mbly Agile nt E4 418B/ E4419B Serv ice Guide 4-5 The LCD co ntr ol le r on the A 3 fron t p ane l asse m bl y is conf ig ur ed as a memory mapped per ipheral , and as s uch r equires on ly to b e fed wi th the appropr iate address , data and control lines from the micro con t roll er ci rcuits . Th e bias volt[...]

  • Página 76

    Theory of Oper ation A2 Processor Assem bly 4-6 Agilent E4418B/E 4419B Se rvice Guid e The microcont roller c ircuits that c ontrol a ll the above function s, an d prov ide platfor m for th e system softwa re to r u n on, comprise t he mi cro co nt ro lle r it s el f , me m ory , an d clo ck an d l og ic ci rcui ts. Th e lo g ic ci rcuit s h ave th[...]

  • Página 77

    Theory of Opera tion A3 Front Panel Assembly Agile nt E4 418B/ E4419B Serv ice Guide 4-7 A3 Fr ont P ane l As sembl y The fro nt pane l ass emb ly is m ad e up of a liquid crystal display (LCD) , a keypad and, depending on the power meter option, a power reference cab le assembl y and a s ensor cable a ssem bly(s). Ther e are tw o inputs t o the fr[...]

  • Página 78

    Theory of Oper ation A4 Comms Assem bly 4-8 Agilent E4418B/E 4419B Se rvice Guid e A4 Co mms Assemb ly The comms a ssemb ly cont a ins the cir cuit ry r equir ed f or remote co ntro l of the pow er meter . This assembly supports parallel and ser ial i n terfaces . The G P -IB inte rface is su pporte d b y a pr ot ocol c ontr olle r int egrat ed ci [...]

  • Página 79

    Theory of Opera tion A5 Daughter Asse m bly Agile nt E4 418B/ E4419B Serv ice Guide 4-9 A5 Daught er As semb l y The A5 daughter assembl y is loaded ver tically into th e A2 proc essor ass embly . Th e Agilen t E4418B h as fiv e connecto rs on the A5 daughter assemb ly: • two 6-wa y co nnect or s r oute the sig nal lin es between the recharg eabl[...]

  • Página 80

    Theory of Oper ation A6 Measurem ent Assembly 4-10 Agilent E4418 B/E4419B Service Guide A6 M ea sur em ent A sse mbly Ther e is one me asurement assembly in the Agilent E4418B an d two in the Agilent E 4419B. The meas urement assembly ampli fies a nd convert s the c hopped AC signal produc ed by th e po wer sen sor (either Agilen t 8480 se ries p o[...]

  • Página 81

    Theory of Opera tion A6 Measurem ent Asse mbly Agile nt E 4418B/ E4419B Serv ice Guide 4-11 The D SP chip con trols th e logic w hich s et s the cho pper d rive r voltag e an d fr eque nc y co n trol . F or the : • Agilen t 8 480 series powe r se n sors th is is 0 V an d -10 V at 217 Hz. • Agi le n t E -s e rie s p ow er se ns o rs thi s i s + [...]

  • Página 82

    Theory of Oper ation A8 Rechargeab le Battery Assem bly 4-12 Agilent E4418 B/E4419B Service Guide A8 R echa rgea ble Bat ter y As se mbly The A8 Rech argeable Battery Assembly al lows the EPM power meter with option 001 fitted to operate wh en no AC power in p ut is availab le. The batter y pack contain s a he alth mon ito rin g cir cu it wh ich th[...]

  • Página 83

    Theory of Opera tion A8 Rechar geable Ba ttery Asse mbly Agile nt E 4418B/ E4419B Serv ice Guide 4-13 Remove this pag e and repl ace with pullout.f m.[...]

  • Página 84

    Theory of Oper ation A8 Rechargeab le Battery Assem bly 4-14 Agilent E4418 B/E4419B Service Guide[...]

  • Página 85

    5 Repla ceable Pa rts[...]

  • Página 86

    Replac eable Part s Intr oduction 5-2 Agilent E4418B/E 4419B Se rvice Guid e Intr od u cti on This cha pter conta ins detai ls of some of th e higher le vel compone nts and asse m b lie s which c an be ordered from Agile nt T echnolo gies. It a ls o details how to ass em ble and dis ass emble the power meter for repair . T o ord er parts con ta ct [...]

  • Página 87

    Replaceab le Parts As se mbl y Pa r t Nu mbe rs Agile nt E4 418B/ E4419B Serv ice Guide 5-3 Assem bly P art Num bers Re f eren ce Design ator De scription Ag il ent Part Number A1 Power Sup ply Assem bly Refe r to “ Power Supp ly Assem bly T ype s”, on pa ge 5-5 to h elp wi th the sele ction. 0950-26 49 or 0950-36 81 Power Supply a nd Charge r [...]

  • Página 88

    Replac eable Part s Assemb ly Par t Numbers 5-4 Agilent E4418B/E 4419B Se rvice Guid e A304 Fron t P ane l Asse mbly for: Agile nt E 4419B Opti on 003 New E 4419-6100 2 Refurb ished E441 9-69002 A4 Co m ms Ass embly E441 8-60012 A5 Daught er Assembly for: Agile nt E4418B E441 8-60015 Daught er Assembly for: Agile nt E4419B E441 9-60003 A6 Measure m[...]

  • Página 89

    Replaceab le Parts As se mbl y Pa r t Nu mbe rs Agile nt E4 418B/ E4419B Serv ice Guide 5-5 Powe r Suppl y Assembl y T ypes Before order ing an A1 Power Supply Asse mb ly , check connec tor J 2 and co m pare i t to Fi gure 5- 1 and Figur e 5-2 a nd selec t the appropri ate model. The J2 c onne ctor is found nea rest the fan ass em bly . Figur e 5-1[...]

  • Página 90

    Replac eable Part s Front Panel Connector Repa ir 5-6 Agilent E4418B/E 4419B Se rvice Guid e Fr on t Pane l Co nne ctor Rep air The fron t pan el assembly is an excha nge assembly . However , if front pa nel sens or cabl es or power refer enc e c able s are fault y the y sho uld be replace d by ordering the approp riate kit and follo w ing the asse[...]

  • Página 91

    Replaceab le Parts Firmware Upgr ades Agile nt E4 418B/ E4419B Serv ice Guide 5-7 F ir mw are Upgr ad es The power mete r ’ s firmware can be upgrade d us ing a PC. The current f irmware is availa ble on t he W orld W ide W eb. A fi rmware upg ra de p a ckage (Part Number E4418- 61035)ca n be purc hased f or users who d o not have ac cess to the [...]

  • Página 92

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-8 Agilent E4418B/E 4419B Se rvice Guid e Assem bly a nd Di sasse mbly Gu id eli nes The gui de lines in thi s section desc ribe the remo val and replac ement of the major as s emblie s in the Agi lent E4418B and Ag ilent E4419B power meters . Once an ass embly has bee n repla ced, refer[...]

  • Página 93

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E4 418B/ E4419B Serv ice Guide 5-9 Remov ing th e A1 Powe r Supply A ssembly 1. Rem ove th e power supply cov er by lifti ng it out. 2. Disconne ct t he line input module from the chassis and po wer s upply ass em bl y . 3. Disconne ct t he cable assembl y f rom the power sup ply [...]

  • Página 94

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-10 Agilent E4418 B/E4419B Service Guide Rem oving the A2 P rocessor Assembl y 1. Rem ove th e A5 daugh te r and A6 measure ment assembl ie s as descri bed on page 5-1 2. 2. Move the A2 plasti c suppor t brac ket to it s forwar d pos ition usi ng the two sid e leve rs, uncli p the f lexi[...]

  • Página 95

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-11 Removing the A4 Comms Assembly 1. Rem ove th e A2 proces sor , A5 daugh ter and A6 measure ment as s emblie s a s shown on pa ge 5-10 and pag e 5-12. 2. Disconne ct t he line power m odule from th e A1 p ower suppl y and the chassi s. 3. Disconn[...]

  • Página 96

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-12 Agilent E4418 B/E4419B Service Guide Remov ing th e A5 Dau ghter or A 6 Measu r ement Ass emblies 1. Disconne ct the flex circuit from measur ement a ssembly . Note Ca re should be ta ken when disc onne cting th e flex circui t from the me asu re m en t a s se mb ly. The fl ex ci rcu[...]

  • Página 97

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-13 Removing the A7 Fan Assembly 1. Rem ove th e A1 power suppl y ass embly a s shown on page 5-9. 2. Rem ove th e pins which at tach the fan to the chas sis. 3. Rem ove th e fan cable connec tor from the A2 proces so r assemb ly to re lease the f a[...]

  • Página 98

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-14 Agilent E4418 B/E4419B Service Guide Rem oving the Power Meter RAM Bat tery (BT 1) 1. Rem ove th e A2 proces sor assembly as de scribed on pa ge 5-10. 2. Rem ove t he A2J1 li nk to dis c onnect the batte ry fr om the res t o f the ci rcuit r y . 3. V erify the b attery p rotect ion c[...]

  • Página 99

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-15 Re mo vin g t he A 3 Fr ont Pa ne l As se m bly 1. Disconne ct t he followi ng ca bles fr om th e A2 pr ocessor a ssembly: n power re ference se mi -rig id (When re pla cing use the to rque s detailed on page 5-1 8.) n front pa nel keypad n fron[...]

  • Página 100

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-16 Agilent E4418 B/E4419B Service Guide Rep lacing the Fr ont Pa nel Power Sens or Cable Assem blies 1. Rem ove th e front panel from the powe r meter . (Refer to “Remo ving the A3 Fron t P ane l As se mbl y” , on page 5-15 for details on removi ng the front pane l.) 2. Repl ace the[...]

  • Página 101

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-17[...]

  • Página 102

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-18 Agilent E4418 B/E4419B Service Guide Rep lacing the Front P anel Power Referen ce Ca ble Assembly 1. Rem ove th e front panel from the powe r meter . (Refer to “Remo ving the A3 Fron t P ane l As se mbl y” , on page 5-15 for details on removi ng the front pane l.) 2. Repl ace the[...]

  • Página 103

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-19 Re pla c i ng th e Re a r P an e l Pow e r Se nsor Ca bl e As se m bl ie s (O ptions 002 and 003 ) 1. Disas semble the power mete r to all ow ac cess to the rear pane l co nnecto rs. This is done by following s teps 1 through 3 of the A4 comms a[...]

  • Página 104

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-20 Agilent E4418 B/E4419B Service Guide[...]

  • Página 105

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-21 Rep lacin g the R ear Panel P o wer R eferen ce C ab le Asse mb ly (O ption 003) 1. Disas semble the power mete r down to all ow ac cess to the rear pane l conne ctors. (Refer to “Re m oving the A4 Comms As sembly”, on p age 5-1 1 .) 2. Repl[...]

  • Página 106

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-22 Agilent E4418 B/E4419B Service Guide Rep lacing the R ear Panel R ecorder Outp ut(s) Ca ble Assembly 1. Disas semble the power mete r down to all ow ac cess to the rear pane l conne ctors. (Refer to “Re m oving the A4 Comms As sembly”, on p age 5-1 1 ). 2. Repl ace the rec o rde [...]

  • Página 107

    Replaceab le Parts Assem bly and Di sassem bl y Guideli nes Agile nt E 4418B/ E4419B Serv ice Guide 5-23 Rep lacing The Chas sis Assembly 1. Remove th e Power Meter Cover as shown in “Re m oving the Power Mete r Cover” , on page 5-8. 2. Disas semble the power mete r down to all ow ac cess to the rear pane l conne ctors (Refer to “R emoving th[...]

  • Página 108

    Replac eable Part s Assemb ly and Dis assem bl y Guideli nes 5-24 Agilent E4418 B/E4419B Service Guide[...]

  • Página 109

    6 T roublesh ooting[...]

  • Página 110

    T r oub leshoot ing Intr oduction 6-2 Agilent E4418B/E 4419B Se rvice Guid e In trod uc tio n This chap ter enables qu alified s e rvice pe rso nnel to diagn ose susp ect ed fault s w ith th e po wer me ter Rm t I/O (Rem ote Input /O utpu t) s ign al li nes and RS232/42 2 serial port. If there is a problem when atte mp tin g to use the RS232/ 422 s[...]

  • Página 111

    T roubl eshooting Introd uction Agile nt E4 418B/ E4419B Serv ice Guide 6-3 Fi gure 6-1: Trouble sh ooting Guide -Upper Window TTL Output Star t Powe r U p mete r PO ST Pa s s ? Co nnect Sens or to Cha nnel A An y Se ns or Errors? Pres s S yst em /In puts More Ser vic e Sel f T e st Instrum ent Self T est Se lf T est Errors? Using D V M E2373A or e[...]

  • Página 112

    T r oub leshoot ing Intr oduction 6-4 Agilent E4418B/E 4419B Se rvice Guid e A Se lec t Preset/lo cal Conf irm Me as /S et up Limits Limits On TTL Outp ut TTL Output On , Fa il O/P L ow Ye s P ower down m eter . Disconnec t ac power and batte ry if fitted. Remove A2 Proc essor as sy , as direc ted on pag e 5-9, to ac cess the Comms Asse mbly con ne[...]

  • Página 113

    T roubl eshooting Introd uction Agile nt E4 418B/ E4419B Serv ice Guide 6-5 Fi gure 6-2: T roubleshooting Guide - Lower W indow TTL Output Star t Powe r U p meter PO ST Pa s s ? Co nnect Sens or to Cha nnel A An y Se ns or Errors ? Sel ec t S yst em /In puts More Ser vic e Sel f T e st Instrum ent Self T est Self T est Errors ? Using D V M E2373A o[...]

  • Página 114

    T r oub leshoot ing Intr oduction 6-6 Agilent E4418B/E 4419B Se rvice Guid e A Sel ec t Preset/lo cal Confirm Low er Win dow - using Meas/Set up Li mi ts Li mi ts On TTL Out put TTL Out put On, Fail O/P Low Ye s P ower down meter . Disconnec t ac power and b atter y i f fitted. Rem ov e A 2 Proces so r assy , a s dir ected on p age 5-9, to acces s [...]

  • Página 115

    T roubl eshooting Introd uction Agile nt E4 418B/ E4419B Serv ice Guide 6-7 Fig u r e 6-3: T roubleshooti n g Gu ide - TTL Inputs Star t Powe r U p mete r POS T Pa s s ? Con nect Sen sor to Ch annel A An y Sensor Errors? Sel ec t Sy s te m/Inputs More Ser vic e Sel f T e st Instrum ent Self T est Se lf T est Errors? End Ye s No A Sel ect No Inv est[...]

  • Página 116

    T r oub leshoot ing Intr oduction 6-8 Agilent E4418B/E 4419B Se rvice Guid e A B Did pow er meter channel s ze ro ? Apply T TL log ic 1 l ev el t o RJ45 co nnector. pin 5 wr t pin 8. A ppl y TTL l ogic 0 p ulse to RJ 45 connect or pin 6 wr t pin 8. See U ser’s Guide chap ter 2 for ti ming. Did Channe l A CAL? Is the meter singl e or dual c hanne [...]

  • Página 117

    T roubl eshooting Introd uction Agile nt E4 418B/ E4419B Serv ice Guide 6-9 B Remove A2 Proce ssor Assy (see chapter 5) to ga in access to the Co mmunicat ions A ssembly co nnector. Measur e resista nce between R mt I/O c onnector pin 6 and connec tor J 4 pin 43. Meter readin g 470 Ω +/− 10% Measu re resistan ce between Rmt I/O c onnector pin 5[...]

  • Página 118

    T r oub leshoot ing Intr oduction 6-10 Agilent E4418 B/E4419B Service Guide F i gure 6-4: Tr oubleshooting Gu i de - RS232/422 I nterface Start Po w e r u p met er POST P ass? Whi ch POST T e st fai l ed? Sel ect Sys tem/Input s Remo te Inte rf ace Select I nterfac e RS422 C onnect RS2 32 S elf T est C onnector to RS232/4 22 C onnector on rear pa n[...]

  • Página 119

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Agile nt E4416A/E441 7A Servic e Guide A-1 Appendix A Mea s ur ement Un ce r t ai nt y A nal ys is – Instru men t Accu ra cy T est Note The Measure ment Uncerta inty Anal ysis de scri bed i n t his Ap pend ix us es d iff erent te st e qui p men t f ro m th a t li ste d i n t [...]

  • Página 120

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Meas urement Int roduction A-2 Agi le nt E4416A/E441 7A Service Guid e Me as urem e nt In trod u cti on In the Instru ment Accuracy te s t the DUT measures power le vels output from the test sta tion from –25dBm t o + 20dBm. A mo dified 8482A sen s or i s use d to perform th [...]

  • Página 121

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide A-3 Un certa inti es 1. The re is no unc erta in ty invo lved wit hin the 8482 A sensor , as a rela tive po wer is bei ng measur ed. Bef ore any mea su reme nt is mad e, an equiva lent vol tage to 0d Bm is ap pl[...]

  • Página 122

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Meas urement Int roduction A-4 Agi le nt E4416A/E441 7A Service Guid e The Measure ment Uncert ai nty is not cal cul ated from dif ferent sens or and power me te r c om b in ati on s, r a th e r it i s ta ke n c are o f in th e C u st om er L i m it s peci f i cati on se tti ng[...]

  • Página 123

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide A-5 St anda rd Uncertainty u (x i ): T able A-1 shows the sta ndard deviat ion of the 30 reading s from the DUT at various power le vels. T able A-1: Standard Uncertainty Resul ts The distrib utions are all norm[...]

  • Página 124

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Meas urement Int roduction A-6 Agi le nt E4416A/E441 7A Service Guid e Worst case error on 0.1V rang e: Worst case error on 1V rang e Worst case error on 10V rang e V oltage Erro r Distribution S tandard Uncertainty 2.375 uV Rect an gula r 1.371uV V oltage Erro r Distribution S[...]

  • Página 125

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide A-7 Worst case error on 15.8V ma ximu m power settin g The rela tions hip between the applied volt age from the Univ ersal So urce to the corre s pondi ng power is giv en from: 1mW = 0 .14493m V This is a linear[...]

  • Página 126

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Meas urement Int roduction A-8 Agi le nt E4416A/E441 7A Service Guid e By using the DMM Uncerta intie s cal culat ed pre vio usly the wors t ca se volt age a nd corre s pondi ng power errors ca n be calc ulated. Sen sitivity Co efficien t s Ci: The parti al deriv atives of the [...]

  • Página 127

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide A-9 Co m bined S t andard Uncert ainty u c (y): Ther e is no corr e lati on as soci ated w ith th i s mea surem ent Hence: T able A-3 sh ows the combine d stand ard unc ert ainty at all the power le ve ls fr om [...]

  • Página 128

    Meas ure ment Uncert ai nty Anal ysi s – Instrum ent Accur acy T es t Meas urement Int roduction A-10 Agile nt E4416A/E441 7A Servic e Guide[...]

  • Página 129

    Meas uremen t Uncert ai nty Anal ysi s – Power Ref ere nce Level T est Agile nt E4416A/E441 7A Servic e Guide B-1 Appendix B Measuremen t Uncerta inty Anal ysis – Powe r Refer e nce Leve l T e st[...]

  • Página 130

    Meas ure ment Uncert ai nty Anal ysi s – Power Reference Leve l T es t Meas urement Int roduction B- 2 Agi lent E4 416A/E 4417A Servic e Guide Me as urem e nt In trod u cti on In the Power Reference Leve l T est, the outp ut from the DUT’ s 1mW Power Ref conne ctor is measure d. A 432A Power Me ter and an 8 478B H01 Power S en sor are requi red[...]

  • Página 131

    Meas uremen t Uncert ai nty Anal ysi s – Power Ref ere nce Level T est Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide B-3 where, P s is th e r efl ec ti o n co e ffic ie n t of th e so u rce ( i. e. th e D UT ) a n d P d is the ref l ectio n coef fici e nt o f the 8478B detector . Hence, Con s i d er th e m e asu r e m e nt s [...]

  • Página 132

    Meas ure ment Uncert ai nty Anal ysi s – Power Reference Leve l T es t Meas urement Int roduction B- 4 Agi lent E4 416A/E 4417A Servic e Guide : The equation above i nclude s the worst-case mismat ch magni tude 2P s P d and is in th e form wher e var ious powers can be mult iplied by the equat ion to find worst-c ase pow e r l ev e ls wit h re sp[...]

  • Página 133

    Meas uremen t Uncert ai nty Anal ysi s – Power Ref ere nce Level T est Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide B-5 A normal dis tribut ion is assumed, as the 345 8A Manua l has not s pecif ie d the ty pe of dis tributi on us ed on the measurement . Bo th V 0 an d V 1 values are calc ulated by su btracting V ref from V c[...]

  • Página 134

    Meas ure ment Uncert ai nty Anal ysi s – Power Reference Leve l T es t Meas urement Int roduction B- 6 Agi lent E4 416A/E 4417A Servic e Guide Cons ider t he mode l bel ow: An est imate of the modul i of Pd and Ps are each le ss than a spec ified va lue. Ps and Pd each l i e within a circl e of rad ius P . Assum ing P d and Ps have equal proba bi[...]

  • Página 135

    Meas uremen t Uncert ai nty Anal ysi s – Power Ref ere nce Level T est Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide B-7 So u(Ms) from the equat ion above equa ls: Misma tc h Unc ertainty U(Ms) wors t cas e Cali bratio n facto r The calibra tion factors s upplied with the power sensor take i nto a ccount t he performa nce of [...]

  • Página 136

    Meas ure ment Uncert ai nty Anal ysi s – Power Reference Leve l T es t Meas urement Int roduction B- 8 Agi lent E4 416A/E 4417A Servic e Guide Res ist ance The uncer taint y of the resi stance meas ureme nt on the 3458A DMM is given from: with: - Conditions : - 1 Y ear Cal an d tempe rature varia nce +/- 5°C with out ACAL Refer enc e : - 3458A O[...]

  • Página 137

    Meas uremen t Uncert ai nty Anal ysi s – Power Ref ere nce Level T est Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide B-9 T able B-1: Measure ment Repeatabi lity Re sults Me a surem en t ADJUST REF . REF . LEV EL TEST 1 0.9995489 51 0.99949 9495 2 0.9995413 33 0.99955 4257 3 0.9994490 78 0.99941 4037 4 0.9995469 94 0.99950 940[...]

  • Página 138

    Meas ure ment Uncert ai nty Anal ysi s – Power Reference Leve l T es t Meas urement Int roduction B- 10 Agile nt E4416A/E441 7A Service Guid e The readi ngs in T abl e B-1 are in mill i-W att s, the refo re the S ta ndar d Dev iatio n (wor se ca se) is : - U (Rep) = 0.057 µ Wa tt s Sen sitivity Coeff icient s (Ci) The se nsitivit y coef ficient [...]

  • Página 139

    Meas uremen t Uncert ai nty Anal ysi s – Power Ref ere nce Level T est Mea surement Introd ucti on Agile nt E4416A/E441 7A Servic e Guide B-11 Usin g the above va lues g ives Ci V co mp V co mp d d PM 2V 1 V 0 – () 4RCF M s --------------------- ------- - 2.129 10 4 – × V Ω --- - == = Ci V 1 V 1 d d PM 2V co mp 2V 1 – 4RCF M s ----------[...]

  • Página 140

    Meas ure ment Uncert ai nty Anal ysi s – Power Reference Leve l T es t Meas urement Int roduction B- 12 Agile nt E4416A/E441 7A Service Guid e Co m bined S t andard Uncert ainty ( u c(y )) 1 Us ing Agil ent’ s stand ard 9 5. 5% conf idenc e the cove rage f actor is k = 2.0 0 Exp anded Uncert ainty The expa nded unce rt ainty i s: U= 3.030 µ W [...]

  • Página 141

    Index I ndex-1 Agilent E441 8B/E4419 B Servi ce Guide A A1 power s upply/Batte ry Charger assem bly 4- 3 A2 p ro ces so r as se mbl y 4-4 A3 fron t pan e l asse m b ly 4-7 A4 interf ace assembly 4- 8 A5 daughter assembly 4- 9 A6 m e a su r em ent a s s e m bly 4-10 abso lute accur acy, s p ecificat ion 1-4 accur acy of pow er re fere nce 1-5 accur [...]

  • Página 142

    Index-2 Agil ent E4418 B/E4419B Servic e Guide fron t panel rep air 5- 6 G GP-IB c onn ec t or ch a r a ct er i sti c 1-14 H humidit y c harac teristic 1-15 I IEC 1010- 1 1- vii in strument accur acy tes t 2-7 inter face assembly 4-8 L leg al info rm ati on 1-iii lev el adjus tmen t 3-6 li ne pow e r charact eristi c 1-14 M markings 1-vi measur eme[...]

  • Página 143

    Agile nt E 4418B/ E4419B Serv ice G uide Inde x- 3 repl aceable pa rts 5- 2 ret u rn i ng f or se rvi c e 1-xi Rmt I/O 1-14 RS232 c onn ec t or ch a r a ct er i sti c s 1-14 RS422 c onn ec t or ch a r a ct er i sti c s 1-14 S safet y 1-v , 1-16 sal es a nd se rv ice off ice s 1-i x serv ice of fices 1-ix packagin g for 1- x i retu rn ing fo r 1-xi [...]

  • Página 144

    Index-4 Agil ent E4418 B/E4419B Servic e Guide[...]