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      KROHN-HITEϵЮaƷ FڵλãWվ > aƷչʾ > KROHN-HITEϵЮaƷ    
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      Our remote controlled Tunable Active Filters are analog, GPIB, signal conditioning filters that are digitally controlled via the front panel or over the GPIB interface bus. They are 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. All Krohn-Hite filters provide a combination of reliability, performance and economy.

      Other Filter Products
           General Purpose Tunable Filters  |  Signal Conditioning Systems  |  Fixed Frequency Filter Modules  |  Fixed Frequency Filter Systems

      SELECTION GUIDE

      Model

      Model 3900
      Elliptic
      Filter

      Model 3901
      Elliptic
      Filter

      Model 3940
      Butterworth/Bessel
      Filter

      Model 3944
      Butterworth/Bessel
      Filter

      Model 3945
      Butterworth/Bessel
      Filter

      Model 3955
      Butterworth
      Filter

      Model 3988
      Butterworth/Bessel
      Filter

      Remote Controlled Dual Low-Pass Elliptic Filter Model 3900

      Remote Controlled 2 Channel Elliptic Filter Model 3901

      Remote Controlled 2 Channel Filter Model 3940

      Remote Controlled 4 Channel Filter Model 3944

      Remote Controlled 3 Channel Filter Model 3945

      Remote Controlled Dual Low-Pass Filter Model 3955

      Remote Controlled 2 Channel Filter Model 3988

       

       

       

       

       

       

       

      Attenuation Rate

      115dB/Octave

      115dB/Octave

      24dB/Octave

      24dB/Octave

      24dB/Octave

      24dB/Octave

      48dB/Octave

      Independent Channels

      2

      2

      2

      4

      3

      2

      2

      Cutoff Frequency

      1Hz to 99kHz

      1Hz to 99kHz

      3Hz to 2MHz

      3Hz to 2MHz

      3Hz to 25.6MHz

      170Hz to 25.6MHz

      0.03Hz to 1MHz, LP
      0.03Hz to 300kHz, HP

      Responses

      Elliptical

      Elliptical

      Butterworth, Bessel

      Butterworth, Bessel

      Butterworth, Bessel

      Butterworth

      Butterworth

      Functions

      LP *

      LP, HP *

      LP, HP, BP, BR *

      LP, HP, BP, BR *

      LP, HP, BP, BR *

      LP *

      LP, HP, BP, BR

      BP, BR Channels

      None

      1

      1

      2

      1

      None

      2

      Input Type

      SE **, Differential

      SE **, Differential

      SE **

      SE **

      SE **

      SE **

      SE **, Differential

      Input Volts

      ±10V peak

      ±10V peak

      ±4.5V peak

      ±4.5V peak

      ±4.5V peak

      ±1.5V peak

      ±10V peak

      Output Volts

      ±10V peak

      ±10V peak

      ±6.5V peak

      ±6.5V peak

      ±6.5V peak

      ±3V peak

      ±10V peak

      Pre-Filter Gain

      40dB in 10dB steps

      40dB in 10dB steps

      20dB

      20dB

      20dB

      20dB

      50dB in 10dB steps

      Post-Filter Gain

      20dB in 10dB steps

      20dB in 10dB steps

      20dB

      20dB

      26dB

      26dB

      20dB in 0.1dB steps

      Data Sheet

      Data Sheet

      Data Sheet

      Data Sheet

      Data Sheet

      Data Sheet

      Data Sheet

      Data Sheet

      Manual

      Operating

      Operating

      Operating

      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

      v˾ͷ @ Ԓ(+8610) 58030805]䣺sales@torion.cn Wվ䰸̖ICP19051720̖-1 onWj

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