This commercial radio for the AM band was sold in Japan in the 1960s. The circuit has an IF of 455 kHz and is powered by batteries. The push-pull output gives a good audio power.
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...