EL4095CS データシートの表示（PDF） - Elantec -> Intersil

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EL4095CS

Video Gain Control/Fader/Multiplexer

Elantec -> Intersil 

EL4095C

Video Gain Control Fader Multiplexer

Application Information Contd

to produce a standard video output The

bVIN of the A side is a buffer output that repro-

duces the input signal and drives RGA and RFA

Into the two resistors 2 1 mA of error current

flows for a typical 1 4V of input DC offset creat-

ing distortion in a A-side input stage RGA and

RFA could be increased together in value to re-

duce the error current and distortions but in-

creasing RFA would lower bandwidth A solution

would be to simply attenuate the input signal

magnitude and restore the EL4095 output level

to standard level with another amplifier so

Reduced-Gain Leveler for Video Inputs and Differential Gain and Phase Performance (see text)

4095 – 30

4095 – 31

15

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