1 Hz to 100 kHz Dual Channel Programmable High Pass Elliptical Filter
The Stanford Research model SR640 is a 1 Hz to 100 kHz Dual Channel Programmable High Pass Elliptical Filter.
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.
Stanford Research SR645 1 Hz to 100 kHz Dual Channel Programmable High Pass Elliptical Filter and other Tunable Active Filters for sale at Test Equipment Center.
Stanford Research SR645 products for sale at Test Equipment Center are thoroughly tested, and receive electrical and cosmetic reconditioning as needed prior to sale. All products include a 90 day warranty from Test Equipment Center to ensure your complete satisfaction.
Test Equipment Center sells used Tunable Active Filters and Laboratory Test Products from Stanford Research and many other test equipment manufacturers.
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115 dB/octave rolloff 
