This 6-transistor commercial radio with 6 V supply was found in a Japanese publication from the 1960s. The circuit is a commercial superheterodyne with 150mW to 200mW of battery powered output.
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...