· Two independent
filter channels
· 115 dB/octave rolloff
· 1 Hz to 100 kHz frequency range
· 0.1 dB passband ripple
· 80 dB stopband attenuation
· 6 nV/ãHz input noise
· Up to 80 dB of gain
· GPIB and RS-232 interfaces
· SR600 series... $3295 (U.S. list)
Stanford Research Systems phone: (408)744-9040
www.thinkSRS.com
The SR600 series consists of three dual-channel instruments.
Each instrument channel has a low-noise preamplifier, a
precision high-pass or 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.
Model.Configuration
SR640.Dual low-pass
SR645.Dual high-pass
SR650.High-pass/low-pass (can be cascaded for band-pass)
Inputs and Preamplifiers
Each
filter channel has a floating, differential input with 1 MÙ
input impedance and 6 nV/ãHz of input noise. The analog
ground for each
filter channel is available at a rear-panel BNC
connector to provide complete flexibility in grounding. The
filter grounds may be tied to the instrument's chassis ground
or to any other point. Both AC and DC input coupling can be
selected, and an invert key allows the phase of the signal to be
shifted by 180° with a single key press. Up to 60 dB of
preamplifier gain can be specified in 10 dB increments. A
simple offset adjust screw lets you null DC components in
your signal.
SR600 Series Programmable Filters
Programmable Filters
SR640, SR645, and SR650 . High-pass and low-pass elliptical
filters (2-channel)
www.thinkSRS.com
