This audio circuit was published in a Rado Electronics issue from October 1963. The transistors are from the time and the output is low impedance. Power is supplied with a voltage of 12 V.
This circuit was obtained in a 90s 73 magazine for radio amateurs. The power transistor must have...
The circuit shown is an AM radio for the Japanese mid-wave range of the 1960s. The circuit has a...
This circuit brings together the drawing of the sports lottery, lotto and sena in a single digital...