144 MHz Receiver (T365E)

Found in the 1961 RCA tube manual, this super-regenerative receiver uses 4 tubes and has a speaker output. The power supply is given.

Divider by 10 (CB5180E)
This frequency divider by 10 uses discrete components only. Modern equivalent components can be used as...
Triangular to Sinusoidal Converter (CB6102E)
This circuit was obtained from Signetics documentation from the 1980s. The circuit can be...
Power Supply with SCR from 0 to 16 V x 5 A (CB3842E)
We found this thyristor power supply in a 1987 documentation. It uses common SCRs as rectifiers and...