This benchtop power supply with various output voltages from 1.5 to 12 V was found in Radio Electronics magazine from August 1960. The circuit uses power transistors of the time.
This circuit was obtained from the July 1970 issue of Radio Electronics magazine. Zeners are power...
This circuit allows you to simulate an analog telephone line for the repair and testing of...
This small power amplifier makes use of an output transformer given its design time. In fact, the...