This amplifier circuit with gain between 0 and 96 was found in the December 1983 issue of Radio Electronics magazine. The power supply must be 15 V.
This simple circuit causes an LED to flash at times whose active cycle is determined by C1 and C2....
In the figure we show the typical configuration of a shared line using a twisted pair where the...
This circuit appeared in Amateur Radio Today in an issue and was found in a 1995 issue. The...