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.
The circuit presented was found in a Motorola documentation from 19761, but it can be assembled with a...
This mixer uses only four passive component and can be used with high impedance sources. The input and...
The configuration shown is a flip-flop that can be triggered by means of two push buttons normally...