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 low-cost MW receiver is from the SGS linear integrated circuit manual. The coil wire can be...
This circuit was found in a former Popular Electronics. The timing is given by R1 and C1, R4 and...
Maxim MAX25612 High Voltage LED Controller In stock from Mouser Electronics, this high voltage...