Stanford Research SR844 25 kHz to 200 MHz RF Lock In Amplifier:FULLY FUNCTIONAL

Description

Stanford Research SR844
25 kHz to 200 MHz
RF Lock In Amplifier:
The SR844 is the widest bandwidth lock-in amplifier available. It provides uncompromised performance with a
frequency range of 25 kHz to 200 MHz and up to 80 dB of
drift-free dynamic reserve. It includes the many features, ease of operation, and programmability that you’ve come to expect from SRS DSP lock-in amplifiers.
· 25 kHz to 200 MHz frequency range
· 80 dB dynamic reserve
· Time constants from 100 μs to 30 ks (6, 12, 18 or 24 dB/oct rolloff)
· “No Time Constant” mode (10 μs to 20 μs update rate)
· Auto-gain, -phase, -reserve and -offset · Two 16-bit DACs and ADCs
· Internal or external reference
· GPIB and RS-232 interfaces