The circuit presented is a Japanese commercial radio for AM with 50 mW of output power, powered by 9 V. The circuit is from the 60s, having been found in documentation of the time.
We found this circuit in a 1973 documentation. The null adjustment trimpot is 10k. The circuit can be...
This commercial transistor radio was manufactured in Japan in the 1960s. The circuit has only 3...
This FM transmitter was described in the Radio Electronics magazine of June 1963. It operates in...