Found in a 1967 General Electric SCR manual, this circuit uses a neon lamp to produce opposing SCR clocks. The transformer is of the commercial type of the time.
This circuit consists of two stages that each shift 180 degrees the signal. The circuit was...
This simple battery tester uses two transistors to drive LEDs of different colors, indicating the...
Found in 90s documentation from Analog Devices, this circuit employs operational amplifiers of the time....