This interesting benchtop circuit was found in the May 1977 issue of Radio Electronics magazine. The circuit has frequency adjustment, and the waveform selected by a switch.
This audio amplifier circuit was found in Radio Electronics magazine from June 1966. The circuit is a...
September 2016 - It can be obtained from Mouser Electronics the new inductors for power supply of...
This experimental receiver was found in an English publication in 1979. It can receive medium-wave...