This two-transistor circuit was found in the August 1972 issue of Radio Electronics magazine. The coil is a common IF transformer for transistor radios. The signal generated is rich in harmonics.
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...
This is a very useful autotransformer circuit on the bench. We found it in the September 1970...
This circuit was obtained in a 1960 documentation of General Electric. It is applied in the...