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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Small Audio Amplifier (CB14736E)
This amplifier was found in a 1957 Rayrtheon documentation. The circuit can be fitted with a BC558...
Constant Speed Motor Control (CB24127E)
This circuit was obtained from the May 1971 issue of Radio Electronics magazine and is intended for...
Triggered Astable NOR Gate CMOS 2 (CB10729E)
Although it is a common configuration today, this circuit was taken from an old publication. The...