This circuit was proposed by an old American documentation for listening to SSB stations. The circuit makes use of a small old radio 455 kHz IF transformer.
This amplifier for a sinusoidal function generator uses a 741 integrated circuit. The circuit is...
This circuit is from Motorola's Linear Interface ICs of 1993. The circuit can be powered by...
This circuit is from 2005 documentation. It automatically starts an irrigation pump when the...