Stanford SR554 变压器前置放大器 (100×, 500×)

Mode: Single-ended or differential

Noise: 0.1 nV/√Hz

Source impedance: 0.05 Ω to 1 kΩ (recommended)

CMRR: >120 dB below 1 kHz

Common mode range: Primary can float to ±100 VDC

Gain:

100× (Transformer only)

500× (Transformer and buffer)

Max frequency response: ;0.1 Hz to 40 kHz

Isolation: >40 dB, DC to 500 MHz

Output: Single-ended or differential

Maximum output:

100 Vpp (Transformer only)

20 Vpp (Transformer and buffer)

Output impedance: 

>5 kΩ (Transformer only)

<1 Ω (Transformer and buffer)

Dimensions and weight: 3.75" × 3.0" × 7.5" (WHL), 4 lbs.

Power: Supplied by SRS lock-ins. Ext. ±20 VDC supplies can also power the SR554.