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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Output transistors protection (CB8373E)
Found in a 1964 Electronic Design, this circuit protects the transistors of a complementary output stage. The...
12 V x 1 A Power Supply (CB8682E)
Found in a 70s RCA manual, this circuit uses transistors from the era. Equivalent types can be...
Timed Sequential Controller (CB4453E)
This circuit found in a 1988 documentation consists of a timer or sequential timer controller. The...