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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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