High Speed Amplifiers

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VCA824
Related Posts

  • Forum Post: Re: variable voltage output

    Luke Lapointe
    Steve, I have attached a TINA schematic demonstrating how you would implement the single ended approach with the VCA824 and THS3091. Using a 10V single ended supply for the VCA824 with 5V common mode, the VG pin would give the max amplitude at 1V above common mode and minimum at 1V below common mode...
    on Aug 30, 2011

  • Forum Post: Question about RF Attenuation, VGA Type VCA824, alternatives with OpAmps

    Uncle Tom
    Hello. We have a system running at a fixed 175MHz. The VCA824 variable gain amp is used for Amplitude Modulation, the output voltage varies between 50mVp-p (ideally zero) to 7Vp-p. Gain accuracy/linearity is very uncritical: the amplifiers output is fed back to an RF detector in a control loop...
    on Dec 8, 2010

  • Forum Post: VCA824

    Wilson Teo
    Hi, Can I know what is the input signal range (voltage level) for the VCA824? I was told that the signal will be clipped if the input signal exceed 60mV (prior to any Gain) Please advice. Thanks.
    on Feb 29, 2012

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