This is a battery powered 3W power amplifier using germanium transistors. The circuit is from an English documentation from 1967. The transistors are from the time.
This circuit is a manual of 1972 RCA power transistors. The critical components of the project are...
September 2017 - Texas Instruments DRV5032 Hall Effect sensors, an ultra-low power digital switch...
This circuit was found in an American 80s circuit manual. The components used are unusual. The...