BRL Test, Inc.

Electronic Test Equipment

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3320 - Krohn-Hite Tunable Filters


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  • Model: 3320
  • Manufactured by: Krohn-Hite
  • High end frequency limit: 99.90kHz
  • Channels: 1
  • Operation Modes: LP, HP
  • Extra Specifications: Tunable Filter

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
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