This simple circuit was found in the August 1984 issue of Radio Electronics magazine. The circuit monitors the power supply to a computer and has a backup battery.
This low-frequency oscillator was found in a 1963 documentation. Capacitors determine frequency. The...
The improvement we found in this stage on a common basis is the use of only one power supply. The...
This triac circuit was found in the July 1995 Electronics Now magazine. The triac is based on the...