BRL Test, Inc.

Electronic Test Equipment

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3550 - Krohn-Hite Tunable Filters


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  • Model: 3550
  • Manufactured by: Krohn-Hite
  • High end frequency limit: 3.00MHz
  • Channels: 1
  • Operation Modes: LP, HP, BP, BR
  • Extra Specifications: Tunable Filter

The 3550 Single Channel Tunable Filter is an all solid-state variable electronic filter with low-pass, high-pass, band-pass, and band-reject capabilities. 2 Hz to 3 MHz frequency range 

  •  24 dB per octave attenuation slope 
  •  0 dB pass band gain 
  •  Butterworth or Low Q filter response
  • ±5% cutoff accuracy 
  •  200 μV RMS hum and noise 
  •  60 dB maximum attenuation
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