Stanford Research SR650
USED

Electronic Filter
1 Hz - 100 kHz

More info

The SRS SR650 has a low-noise preamplifier, a precision high-pass and
a low-pass filter section, and an output amplifier.
The filters are 8-pole, 6-zero elliptic-type with 115 dB per octave rolloff,
0.1 dB of passband ripple, and 80 dB stopband attenuation.
Cutoff frequencies can be set between 1 Hz and 100 kHz,
making the SR600 series ideal for applications including anti-aliasing,
audio analysis, and frequency-domain signal conditioning.

Features
Two independent filter channels
115 dB/octave rolloff
1 Hz to 100 kHz frequency range
0.1 dB passband ripple
6 nV/Hz input noise
Up to 80 dB of gain
GPIB and RS-232 interfaces