This circuit with a few watts of power was found in the April 1995 issue of Electronics Now magazine. The voltage obtained and the efficiency depend greatly on the transformer.
This small Hartley oscillator uses an output transformer for transistors. The frequency is...
Circuits similar to this appear elsewhere in this section. The transistors can be BC549 (low...
The integrated circuit used in this 70's project is unusual, being the critical element of an...