This receiver was found in a Japanese publication in 1967. The circuit uses germanium transistors and details of the coils are not given. Power is supplied by a 9 V battery.
This circuit is in the SGS manual of linear integrated circuits of 1982. The integrated circuit is of...
This circuit sends its signals to short wave receivers and even FM outside stations placed nearby. As...
This simple VU (Volume Units) or volume indicator for amplifiers was obtained in an English...