Found in documentation from the 1990s, this circuit converts 12 V to 9 V from a car's power output. The 100mA current eliminates the need for a heatsink on the transistor.
Found in an Analog Devices documentation from the 90s, this circuit uses a component of the time,...
This circuit was found in Philips documentation from 1965. No information was given about the...
This circuit was found in the June 1990 issue of Radio Electronics magazine. Integrated circuits must...