RGB to NTC Converter (CIR25260E)

This circuit may be of interest to restorers of old video equipment. We found it in the Radio Electronics magazine of December 1989.

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Phase shift oscillator (CB21668E)
This phase shift oscillator generates sinusoidal signals in the audio range. Frequency depends on...
Fast Symmetric Zener (CB12086E)
We obtained this circuit in an English publication in 1983. Equivalent operational amplifiers can...
Inverting amplifier LM741 (CB25917E)
The figure shows how to implement an amplifier with gain 10 using the operational amplifier LM41....