RGB to NTSC Converter (CB9415E)

This circuit was found in Radio Electronics from the 90s. The integrated circuit used is not common today. The circuit is crystal controlled.

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Light-controlled oscillator (CB7874E)
This circuit has the intensity of the signals controlled by the light that falls on the sensor....
Output Limited Oscillator (CB4176E)
The purpose of the diode in this oscillator circuit is to limit the amplitude of the output...
Ladder Generator (CB23757E)
We found this ladder-shaped signal generator circuit in Radio Electronics magazine from August 1966....