This simple low current circuit was found in a Radio Electronics magazine from August 1960. The circuit does not use transistors in regulation, but only zeners directly.
This circuit makes it possible to recover programs recorded on cassette tape as was common in MSX...
This ultra-simple adjustable power source is of great use on the bench of any electronics...
Found in a 1990s American technical brochure, this circuit is intended for alarms that use as...