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Krohn-Hite 3550

Krohn-Hite 3550

Variable Filter

The Krohn-Hite 3550 is a used Variable Filter.
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The Krohn-Hite 3550 Variable Filter is a multifunction filter that offers band-pass, band-reject, low-pass or high-pass operation in a single piece of equipment. The mode of operation can be selected by a front panel switch. The cutoff frequency is continuously adjustable from 2Hz to 200kHz.
  • Butterworth or Low Q response characteristics

  • Calibration accuracy: ±5%

  • Insertion loss: 0 dB

  • Attenuation slope: 24 dB per octave

  • Maximum attenuation: 60 dB

  • Hum and noise: 200 µV

  • Bandwidth: 2Hz to 3MHz