This hybrid power supply circuit was found in the August 1997 issue of Electronics Now magazine. The power transistor and the integrated circuit must be provided with heat sinks.
We found this circuit in the June 1991 issue of Radio Electronics magazine. The integrated circuit is...
This polarity test or indicator indicates the polarity of a power line by LEDs. The circuit is...
This circuit is from Motorola's 1990 Linear Databook. The transistors allow equivalents and the...