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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

          ̩Q޹˾ @ Ԓ(+8610) 8406 7150]䣺sales@torion.cn Wվ䰸̖ICP12014174̖ onWj
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