Re: Reduce color saturation

TSM wrote:
Hello, I want to build a circuit with trimmers to reduce the color
saturation of a signal going to a monitor. The signal is made up of
these wires: R, G, B, Sync, GND.

Do I need some IC? Are there any schematics to look at?

Since a saturated color represents one of RGB being very much higher or lower than the other two, you might do an experiment of putting a resistor in series with each of those lines, follower by a resistor between each of them. Something like 47 ohms in series and 470 ohms between the output side of them. If that does anything like what you are looking for, we can try to come up with a single control that does something like this, in a variable way.
.

Relevant Pages

  • Re: transistor saturation
    ... I mean, 0.000 ohms? ... My DMM routinely gives 0.1 ohm readings on bare wire, ... Saturation means it's at the lowest R level it can reach per that ...
    (sci.electronics.basics)
  • Re: AC current measurement with a current transformer
    ... small resistor, and scope the waveform across the resistor. ... Increase the variac output until you see obvious saturation, a spikey non-sine waveform; that gives you a hint of the sort of burden voltage that matters. ...
    (sci.electronics.design)