Agilent Technologies 8472B manuale d’uso

8472B Crystal Detec tor Operating and Service Manual P art number: 08472-9002 2 Printed in USA Prin t D a te: May 2001 Supersede s: April 1999[...]

ii 8472B Operating and Service Manual Notice The infor mation contained in this d ocument i s subject to change without notice. Agilent T echnologi es mak es no war ranty of an y kind with reg ard to this materi al, in c ludin g, but not limit ed to, the implie d warra nties of merchanta bili ty and f it ness for a part icular pu rpose. Agilent T e[...]

8472B Operating and Service Manual iii W arranty Certification Agilent Technologies certifies that this product met its published specifications at the time of shipment from the factory. Agilent Technologies further certifies that its calibration measurements are traceable to the United States National Institute of Standards and Technology (NIST, f[...]

iv 8472B Operating and Service Manual INCIDENT AL, OR CONSEQUENT IAL D AMA GES, WHETHER B ASED ON CONTRA CT , TOR T , OR ANY O TH ER LEGAL THEOR Y . Assista nce Produc t maintena nce agreeme nts and oth er cus tomer assi stance ag reements are a v aila ble for Agi lent T echnolog ies produc ts. Fo r assis tance, call yo ur local Agilent T echno log[...]

8472B Operating and Service Manual v Service and Support By inter net, phone, o r fax, get ass istance with all your test and meas urement nee ds. Any ad justment, mai ntenance, or repair o f this pr oduct must b e performed by qu alif ied personnel . Contact yo ur cust omer engine er throug h your l ocal Agilent Service Center . If y ou do not ha [...]

vi 8472B Operating and Service Manual Safety and Regulatory Inf ormation Re vie w t his produc t and rela ted document atio n to fa miliariz e yours elf with safety m arking a nd inst ruction s befor e you op erate th e inst rume nt. This product h as been designed a nd tested in acc ordance wit h inter national standar ds. W ARNING The W ARNING no[...]

Contents 8472B Operating and Service Manual Contents 1 Notice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Restricted Rights Leg end . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .[...]

8472B Operating and Service Manual 1 Desc riptio n Description The 8472B cr ystal det ector i s a 50 Ω ( nominal) de vice designe d for measurement use in co axial sys tems. Fea t u res • The instrument c on verts RF po wer le vel s applied to the 50 Ω input connecto r into pr oportiona l v alues of dc v olt age. • The inst rument measur es[...]

2 8472B Operating and Service Manual Installation Installation Initial Inspection 1. Inspect the sh ipping con tainer f or damage . If the s hipping co ntainer or cushioni ng materi al is damaged, it s hould be k ept u ntil the contents of the shi pment ha v e been chec ked for complet eness and the in strument has been checke d mechanically a nd e[...]

8472B Operating and Service Manual 3 Specifications Specif ications Spec ifications are pe rforma nce st anda rd s or li mits aga inst wh ich th e detect ors ar e tested. T able 1 Speci ficatio ns Freque ncy Range : 1 0 MHz to 18 GHz Options: Note : RF may leak through the output connec tor below 1 GHz. It can be reduced, if objectionable, with a s[...]

4 8472B Operating and Service Manual Operating Infor mation Operating Inf ormation The cry stal de tecto r can be use d as a de modulat or to obt ain a puls e en vel ope which can then be observ ed on an osc illosco pe. It can also be used as a general purpos e detecto r . CA UTION • Static dischar ge can damage t he detect or eleme nt. A 100 pF [...]

8472B Operating and Service Manual 5 Operating Info rmation Operator’ s Checks Pea k Po we r M ea s u re me n t The proce dure for p eak po we r measurement in volv es cali bration o f an oscill oscope whic h, in t urn, is use d to ca librate a CW generato r . The output of the calib rated C W gene rator is meas ured wi th a power me ter an d the[...]

6 8472B Operating and Service Manual Operating Infor mation Refl ect ometer A ppli catio n F or infor mation about reflec tometer sy stems an d measurement s refer to Agilent T echnologi es Applic ation Note Inde x. Copi es are a v ailable upon request . Harmony Fr equency Comparison Measur ement Ap plication The detec tor can be used as a mi xe r [...]

8472B Operating and Service Manual 7 Performance T ests P erf ormance T ests Methods fo r testi ng dete ctor spec if ications are gi ven belo w . Refer to th e manuals of the equi pment in volv ed f or specif ic operating i nstructi ons. NO TE Multiple mismatch er rors caused b y attenu ator S WR, po wer meter S WR, and dete ctor SWR sh ould be tak[...]

8 8472B Operating and Service Manual Service Instruct ions Service Instructions Repair and Replacement Repai r and re place ment infor mati on for the 8472 B cry stal d et ector are gi ven belo w . For a dditional maintenan ce informa tion, ref er to “Ser vice and Support” on page v for t he neares t Agilent T echn ologies Sa les an d Service o[...]

8472B Operating and Service Manual 9 Service Instructio ns CA UTION • Do not r o tate the detector e lement whil e ins erting or remo ving as damage may result . • The detec tor elemen t might be d amaged if t he detect or el ement is not cente red . • When ins erting t he detect or element , do not force th e lar ge pin end into the cent er [...]

10 8472B Operating and Service Manual Service Instruct ions F igur e 2 8472B Crystal Detect or Assembly F igur e 3 8472B Option 100 Crystal Det ector Asse mbly[...]

8472B Operating and Service Manual 11 Service Instructio ns 1. Refer to T able 1 for a descr iption of options. T able 2 Replaceab le P arts Description Part Numbe r 8472B and 847 2B, Option 100 Asse mblies 1 Connector, SMA male 1250-0683 Connector, OSSM f emale (Option 1 00) 1250-0924 Spring, comp ression 1460-0072 W asher , lock inter nal 2190-00[...]