This medium power circuit is from an English publication from 1989. The integrated circuits are of types that are still obtainable. The power supply must source at least 2A.
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August 2017 - Mouser Electronics is stocking the new Molex optical EMI shielding adapters. These...
We found this simple receiver with germanium transistors and listening on a crystal phone in a...
This circuit is from a 1975 Miniwatts magazine, therefore using Philips components from that time,...