This is the typical audio amplifier for a 1967 television. We found it in a magazine from the time. Note the use of the output transformer and the high supply voltage. The circuit is an RCA CTC21.
This FM receiver tuning step circuit was found in a 1960 documentation. No information about the...
This power supply for TTL and CMOS circuits with a voltage of 5 to 15 V was found in the Special...
This is a direction of rotation control for a small motor up to about 2 A with the indicated...