Stanford Research Systems SR850

SR850 Stanford Research Lock In Amplifier

Lock-In Amplifier

The SR850 is a 102 kHz Lock In Amplifier from Stanford Research. Amplify RF and Microwave signals to measure, test, and design circuits. Applications include radio communications, cellphones, EMI testing, and much more.

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The SR850 is a digital lock-in amplifier based on an innovative DSP (Digital Signal Processing) architecture.

The SR850 boasts a number of significant performance advantages over traditional lock-in amplifiers—higher dynamic reserve, lower drift, lower distortion, and dramatically higher phase resolution.

In addition, the CRT display and 65,536 point memory make it possible to display and process data in a variety of formats unavailable with conventional lock-ins.
Frequency range 1 mHz to 102.4 kHz >100 dB dynamic reserve Phase resolution 0.001 degree
Time constants from 10 µs to 30 ks (up to 24 dB/oct rolloff)
Auto-gain, -phase, -reserve and -offset
Data logging (up to 65k samples)
Smoothing, curve fitting & statistics
GPIB, RS-232 and 3.5" disk drive