This circuit with automatic gain control was found in the July 1988 issue of Radio Electronics magazine. The circuit is based on a transconductance operational amplifier.
This LCD driver circuit uses a common component today. The circuit is from 90's documentation....
This circuit converts signals from 0 to 19 kHz into voltages from 0 to 1 V. The circuit is from a...
This simple 555 component tester was found in the November 1992 issue of Radio Electronics...