Found in technical documentation from National Semiconductor, this circuit provides a voltage of 3.3 V with 500 mA at the output. The component is from the period.
This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms...
Found in a Motorola manual from the 1980s, this circuit uses components from the era. The circuit...
This circuit serves as an audio output for AM or even FM radios and was found in a Radio...