This circuit was found in documentation from the 90s. The operational amplifier admits an equivalent. The circuit has frequency ranges up to 5kHz determined by R1.
For this circuit, the polarity of the power input does not matter, as the output terminals will...
This switching power supply was found in an Electronic Design from the 90s. The components are...
This switching circuit with transistors was found in Radio Electronics magazine from June 1964. It...