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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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