SRS Labs SR550/552 manual

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Table of contents for the manual

  • Page 1

    MODEL SR550/552 Vol t age Pr e- am pl i fier 1290- D Ream woo d Av enu e Sunny v a le, CA 940 89 U. S .A . Phone: (40 8) 744- 904 0, F ax: (408) 744- 904 9 Em ail: inf o@t h inkS RS . com • w ww. t hi nk S RS . com Copyr i ght © 1999, 200 1 St anf or d Res e ar c h S y s t ems , I nc . All Rig ht s Res er v e d Rev. 2. 6 ( 08/ 200 1)[...]

  • Page 2

     Vo l t ag e Pre- amp l i f i er S t an fo r d R esearch Sy stem s ma nua l[...]

  • Page 3

    S R 550 P reamp l i f ier Sp ec i f icati on s S um m ar y        Ω                        ?[...]

  • Page 4

    OPER AT IN G IN ST RU CT ION S - "  !   : 8 6               ")& 18        ?[...]

  • Page 5

    DYN R E S FS Se n s it iv it y SR550 Gain  7= A E    !       !    !  F   !  %= " E     !  ,    !    !   F !   *5 * E   µ !  (   µ [...]

  • Page 6

    TH E SR 55 0 W I TH O U T A L OC K - I N - "             . ':          3  ?[...]

  • Page 7

    P A R T S L IST REF. SRS pa r t # VA L UE DES CR IPT IO N / 8 ,8 3 ' G Capacitor, Electrolytic, 50V , 20%, Rad / 8 &8  G Capacitor, Electrolytic, 16V , 20%, Rad /& 8 &8  G Capacitor, Electrolytic, 16V , 20%, Rad /, ?[...]

  • Page 8

    "&& ,8 8 , >J Resistor, Carbon Film , 1/4W, 5% A 8 8 > 9: 9- Switch, On-None-On, T oggle, Right A ngle G &8 ,8 & >37 T ransistor, T O-92 Package G &8 H8 & >H7 T ransistor, T O-92 Package G&[...]

  • Page 9

    MODEL SR552 Vo l t ag e Pre- amp l if i er S t an fo r d R esearch Sy stem s ma nua l[...]

  • Page 10

    S R 552 P reamp l i f ier Sp ec i f icati on s S um m ar y I I nput I m pedance 100 K Ω + 25 pF I nput s Si ngl e ended or dif f er ent ial (switch s elect able) Max imum I nput s 70 m V rm s for overload Damage t hr eshold: 20 Vac, 50 Vdc Nois e 1. 4 n V/ √ Hz at 1000 Hz 1. 6 nV/ √ Hz at 100 Hz 2. 5 nV/ √ Hz at 10 Hz (all figur es ar e Ty [...]

  • Page 11

    Noi s e Fi gur e C ont our[...]

  • Page 12

    OPER AT IN G IN ST RU CT ION S The SR 552 Vo ltage Pr e- Amplifier is designed to be used wi t h eit her t he SR510/530 lock- ins as wel l as t he newer DSP l ock - i ns . The SR552 reduc es t he input noise and ext ends t he f ull scale sensitivity t o 10 nV (without ex pand) . When used as a r em o t e pr e - am plifier , t he SR 552 c an eli m i[...]

  • Page 13

    DYN R ES F S S e ns it ivit y SR552 Gain LO W > 50 m V 10 20 db 50 mV 20 20 mV 50 < 20 m V 100 NO RM > 5 m V 10 40 db 5 mV 20 2 mV 50 < 2 m V 100 HIG H > 500 µ V1 0 60 db 500 µ V2 0 200 µ V5 0 < 200 µ V 100 When t he SR552 is connected, t he full scale sensitivit y can ext end t o 10 nV ( no expand) . The 10, 20, 50 nV sensit [...]

  • Page 14

    dual phase l oc k- in, us e t he R out put t o avoid phase shift s. T he SR5 52 w ithout a l oc k -in The SR 552 c an be powered with an ext er nal power supply. Power is appli ed t hr ough t he 9 pin connector as descr ibed below . Pin V olt age C urren t 1 +20 V 100 mA 2 +5 V 10 m A 6 -20 V 100 mA 7, 8 G r ound Al l t hr ee volt ages ar e r equir[...]

  • Page 15

    P A R T S L IST REF. SRS pa r t # VA L UE DES CR IPT IO N C 1 5-00040- 509 1.0U Capacitor, Electrolytic, 50V , 20%, Rad C 2 5-00030- 520 2200U Capacitor, Electrolytic, 16V , 20%, Rad C 3 5-00030- 520 2200U Capacitor, Electrolytic, 16V , 20%, Rad C 4 5-00100- 517 2.2U Capacitor, T antalum , 35V , 20%, Rad C 5 5-00100- 517 2.2U Capacitor, T antalum ,[...]

  • Page 16

    R 33 4-00082- 401 470K Resistor, Carbon Film , 1/4W, 5% RU 7A 4- 00032- 401 100K Resistor, Carbon Film , 1/4W, 5% RU 7B 4- 00032- 401 100K Resistor, Carbon Film , 1/4W, 5% SW1 2- 00025- 217 SPDT Switch, On-None-On, T oggle, Right A ngle U 1 3-00124- 325 79L15 T ransistor, T O-92 Package U 2 3-00118- 325 78L15 T ransistor, T O-92 Package U 3 3-00193[...]