Stanford SR550 FET Input Preamplifier (Gain 1, 2, 5, 10)
Input impedance: 100 MΩ + 25 pF
Inputs: Single-ended or differential
Maximum input: 250 mVrms for overload 100 VDC, 10 VAC damage threshold
Noise (typ.):
3.6 nV/√Hz at 1 kHz
4.0 nV/√Hz at 100 Hz
13 nV/√Hz at 10 Hz
Coupling: AC (0.016 Hz)
CMRR: 90 dB at 100 Hz, 1 V input
Gain: 1, 2, 5, 10 (automatically set by SR510 or SR530 lock-in amplifier)
Full scale input: 10 nV to 200 mV
Gain accuracy: 2 % (2 Hz to 100 kHz)
Gain stability: 100 ppm/°C
Outputs:
A (signal, 600 Ω, single-ended)
B (shielded ground)
Maximum output: 7 Vpp
Power: Supplied by SR510, SR530, SR810, SR830 or SR850 or SR124 via control cable
Dimensions: 3.0" × 1.3" × 5.1" (WHL)
Weight: 1 lbs.
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