SR552
BJT Input Preamplifier

  • 1.4 nV/ÖHz input noise
  • BJT input, 100 kW input impedance
  • Gain of 10, 20, 50 or 100
  • Single-ended and differential inputs
  • AC coupled input
  • Powered by any SRS lock-in amplifier
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SR552 Front Panel

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SR552 Rear Panel