This Japanese commercial radio with 5 transistors is from the 60s and is powered by 6 V. It is a conventional superheterodyne configuration with good performance.
This circuit was obtained in the publication 101 Electronics Projects of 1979. The circuit can be...
This circuit is from a 1995 documentation. Several CMOS integrated circuits are used to produce...
This regulator circuit was found in the June 1984 issue of Radio Electronics magazine. The LM11 is a...