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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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