3320 - Krohn-Hite Tunable Filters

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Technical Specifications

High end frequency limit


Operation Modes

Extra Specifications
Tunable Filter

Product Description

The 3320 Single Channel Tunable Filter is an all solid-state variable electronic filter with low-pass and high-pass capabilities. 

  • 0.01 Hz to 99.9 kHz frequency
  • 24 dB per octave attenuation slope
  • 0 dB or 20 dB pass band gain
  • Eight pole Butterworth or RC response 
  • ±2% calibration accuracy 
  • < 0.1% distortion (typically)
  • 0.5 mV RMS hum and noise
  • 80 dB maximum attenuation