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SRS Preamplifiers
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 SR560 Voltage Preamplifier
  • 4 nV/√Hz input noise
  • 1 MHz bandwidth
  • Variable gain from 1 to 50,000




 SR570 Current Preamplifier
  • 5 fA/√Hz input noise
  • 1 MHz maximum bandwidth
  • 1 pA/V maximum gain
 SR570 Current Preamplifier
  • 5 fA/√Hz input noise
  • 1 MHz maximum bandwidth
  • 1 pA/V maximum gain



 SR445A 350 MHz Preamplifier
  • 6.4 nV/√Hz input noise
  • 4 independent channels






 SR446 400 MHz Preamplifier
  • Gain from 1 to 100
  • USB computer interface

 SR446 400 MHz Preamplifier
  • Gain from 1 to 100
  • USB computer interface




 SR550 FET Input Preamplifier
  • 3.6 nV/√Hz input noise
  • 100 MΩ input impedance




 SR552 BJT Input Preamplifier
  • 1.4 nV/√Hz input noise
  • 100 kΩ input impedance



 SR552 BJT Input Preamplifier
  • 1.4 nV/√Hz input noise
  • 100 kΩ input impedance




 SR555 Current Preamplifier
  • 10 V/µA gain
  • 120 kHz (-3 dB) bandwidth




 SR556 Current Preamplifier
  • 5 fA/√Hz input noise
  • 1 V/nA gain


 SR556 Current Preamplifier
  • 5 fA/√Hz input noise
  • 1 V/nA gain



 SIM910/911 Voltage Preamplifiers
  • 1.8 nV/√Hz input noise
  • 1 MHz bandwidth




 SIM918 Current Preamplifier
  • gain of 106 to 108 V/A
  • <10 µV input offset



 SIM918 Current Preamplifier
  • gain of 106 to 108 V/A
  • <10 µV input offset



 SR551 High Impedance Preamplifier
  • >1 TΩ input impedance
  • 1 MHz bandwidth



 SR554 Transformer Preamplifier
  • 0.1 nV/√Hz input noise
  • 0.1 Hz to 40 kHz bandwidth

 SR554 Transformer Preamplifier
  • 0.1 nV/√Hz input noise
  • 0.1 Hz to 40 kHz bandwidth


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