SR550
FET Input Preamplifier

  • 3.6 nV/ÖHz input noise
  • FET input, 100 MW input impedance
  • Gain of 1, 2, 5 or 10
  • Single-ended and differential inputs
  • AC coupled input
  • Powered by any SRS lock-in amplifier
  • High common mode rejection
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SR550 Front Panel

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SR550 Rear Panel