This circuit was obtained in a Hobbyst Handbook from 1990. The circuit can be easily assembled since the SCR can be a TIC106 and the transistor a 2N30555.
This radio receiver for two wave bands (medium and short) was manufactured in Japan in the 1960s....
The circuit shown in the figure is suggested by Intersil (www.intersil.com) and makes use of the...
This circuit with traditional discrete components was found in a 1990 documentation. The circuit can...