)
This circuit is from a 1967 RCA SCR manual. The circuit uses components from the era that can be replaced by modern equivalents. The transformer is 12 V x 1.2 A.
This sinusoidal oscillator was found in Radio Electronics in 1989. It uses a 741, but other...
This is the circuit of a commercial flash from the 60’s. The circuit was published by the march...
This circuit is suggested by Motorola in its 1990 Linear Databook. The integrated circuit is no...