Using Maxim components, this circuit consists of a regulator to a boost converter. The circuit operates in the indicated voltage range. The MAX5160M consists of a digital potentiometer.
We found this TTL circuit with the 7400 in the January 1975 Radio Electronics magazine. The power...
This adjustable direct current source circuit uses a triac operating as a variac. The circuit is...
This radio's transistor is powered with the signal's own energy, producing its amplification....