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Stanford Research SR554 Transformer Preamplifier

Manufacturers Part #: SR554
Transformer Preamplifier
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Stanford Research SR554 Transformer Preamplifier

The SR554 is a low-noise, transformer-coupled preamplifier optimized for source impedances between 0.05 Ω and 1 kΩ. With an input noise of only 0.1 nV/vHz, the SR554 can be used in a wide range of low-noise applications. It is the ideal preamplifier for low-temperature synchronous detection applications where isolation between the experimental sample and the lock-in amplifier is critical.

  • 0.1 nV/vHz input noise
  • 0.1 Hz to 40 kHz bandwidth
  • Gain of 100 or 500
  • Single-ended and differential inputs
  • >40 dB isolation (dc to 500 MHz)
  • Powered by SRS lock-ins

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