Based on an integrated circuit of the time, this circuit appeared in the October 1979 issue of Radio Electronics magazine. The circuit monitors voltages in the range of 10.5 to 16.0 V.
This circuit with only one transistor was found in Japanese documentation from the 1960s. The...
This resistance meter was found in an English documentation from 1989. The operational amplifier admits...
This CMOS oscillator circuit generates signals up to a few megahertz, depending on the capacitor value....