This circuit was found in the June 1990 issue of Radio Electronics magazine. The maximum current is 1 A and the integrated circuits must be mounted on heat sinks.
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...