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        差分前置放大器

        PERFORMANCE
        The Model 7000 and 7008 Low Noise Differential Preamplifiers provide a high gain amplification to 1MHz with an AC output derived from a very low noise FET instrumentation amplifier. Each model  has fixed gain settings of x1 (0dB), x10 (20dB), x100 (40dB) and x1000 (60dB) over a selectable bandwidths of 100Hz, 1kHz (HP), 3kHz, 30kHz, 100kHz and 1MHz (7000 model only). Noise referred to input is 7nV√Hz and common mode rejection is >100dB at 1kHz. Momentary pushbutton switches are provided that control coupling, bandwidth, gain and channel on/off selections. BNC connectors are provided for single-ended and differential input, ac output, and dc output (optional) connections.

        The Model 7008 eight channel Low Noise Differential Preamplifier offers up to 8 channels of high gain pre-amplification with USB or LAN remote control.

        APPLICATIONS
        The Model 7000 and 7008 are very useful for troubleshooting sources of noise, amplifiers, power supplies and various other electronic circuits. They are an excellent tool as a preamp for amplifying low level input signals to oscilloscopes or other devices.
         

        Model

        Model 7000
        Low Noise Differential Preamplifier
        http://www.krohn-hite.com/htm/preamp/Images/7000Pic2.jpg

        Model 7008
        8 Channel
        Low Noise Differential Preamplifier
        http://www.krohn-hite.com/htm/preamp/Images/7008%20Front-1.jpg

         

         

        Number of Channels

        1

        8

        Frequency Range

        DC to 1MHz

        DC to 1MHz

        Max. Input Volts

        ±10V Peak

        ±10V Peak

        Max. Output Volts

        ±10V Peak

        ±10V Peak

        Gain

        X1, X10, X100, X1000

        X1, X10, X100, X1000

        Low-Pass Filters

        100Hz, 3kHz, 30kHz, 100kHz, 1MHz (off)

        100kHz

        High-Pass FIlter

        1kHz

        None

        RMS-TO-DC Converter

        Optional

        None

        Remote Control

        None

        Optional USB/LAN

        Data Sheet

        Data Sheet

        Data Sheet

        Manual

        Operating

        Operating

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