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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