Stanford SR551 High Impedance Preamplifier (×10, >1 TΩ input impedance)

Input impedance: >1 TΩ

Inputs: Single-ended or differential

Input range: -4 V to +4 V

Gain: ×10

Gain accuracy: ±0.5 % at 1 kHz

Gain stability: ±25 ppm/°C (0°C to 40°C)

Bandwidth: 1 MHz (-3 dB)

Input bias current: <1 pA

Input voltage noise: 12 nV/√Hz at 1 kHz (typ.)

Input current noise: 0.6 fA/√Hz at 1 kHz (typ.)

CMRR: >90 dB at 1 kHz

Input offset voltage: <500 µV

Vos drift (typ.): 3 µV/°C (0°C to 40°C)

Output:

8 Vp (max), balanced differential,

10 mA (max), 50 Ω

Power: Supplied by SRS Lock-In Amplifier "Preamp Power" via control cable

Dimensions: 3.0" × 1.3" × 5.1" (WHL)

Weight: 1 lbs.

Temperature range: 0°C to 40°C

Datasheet

Manual