Our general purpose Tunable Active Filters are analog signal conditioning, frequency discriminating instruments whose signal transmission characteristics are functions of frequency. Their basic function is to pass wanted signals and suppress unwanted signals, according to frequency. Krohn-Hite provides a combination of reliability, performance and economy in these bench top models.

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     Benchtop/Programmable Tunable Filters  |  Signal Conditioning Systems  |  Fixed Frequency Filter Modules  |  Fixed Frequency Filter Systems
SELECTION GUIDE
Model Model 3362
2 Channel
Model 3364
4 Channel
Model 3382
2 Channel
Model 3384
4 Channel
2 Channel Bench Top Filter Model 3362 4 Channel Bench Top Filter Model 3364 2 Channel Bench Top Filter Model 3382 4 Channel Bench Top Filter Model 3384
Front View     Front View
Rear View
Attenuation Rate 24dB/Octave 24dB/Octave 48dB/Octave 48dB/Octave
Independent Channels 2 4 2 4
Cutoff Frequency 0.1Hz to 200kHz 0.1Hz to 200kHz 0.1Hz to 200kHz 0.1Hz to 200kHz
Responses Butterworth, Bessel Butterworth, Bessel Butterworth, Bessel Butterworth, Bessel
Functions LP, HP, BP, BR * LP, HP, BP, BR * LP, HP, BP, BR * LP, HP, BP, BR *
BP, BR Channels 1 2 1 2
Input Type SE **, Differential SE **, Differential SE **, Differential SE **, Differential
Input Volts 10V peak 10V peak 10V peak 10V peak
Output Volts 10V peak 10V peak 10V peak 10V peak
Pre-Filter Gain 50dB in 10dB steps 50dB in 10dB steps 50dB in 10dB steps 50dB in 10dB steps
Post-Filter Gain 20dB in 0.1dB steps 20dB in 0.1dB steps 20dB in 0.1dB steps 20dB in 0.1dB steps
Data Sheet Data Sheet Data Sheet Data Sheet Data Sheet
Manual Operating Operating Operating Operating
*  LP = low-pass, HP = high-pass, BP = band-pass, BR = band-reject; Band-pass and band-reject require 2 channels.  ** SE = Single-Ended

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