This circuit consists of an inverter powered by only 4.5 V. The circuit is from a 1967 Mullard documentation. No information was provided on the transformer winding. Capacitors can be 1.5 nF x 3 kV.
This rather sophisticated circuit does not recognize false tones, such as harmonics, and can be...
Suggested by Hughes in 1968 documentation, this circuit makes use of a transistor matched pair and...
Bis This two-transistor circuit was found in the January 1994 issue of Electronics Now magazine. The...