Indicated for adjustment in transmitters for the 11-meter band, this circuit with analog meter was found in the Radio Electronics magazine of January 1978. The circuit does not use a power supply.
This powerful and sophisticated power supply was found in a 1998 publication. The circuit must...
The integrated circuit used in this project is uncommon today, as we found the configuration in a...
Found in a Popular Electronics from the 90s, this circuit uses thermistors for low noise...