This 5 V power supply was found in the January 1992 issue of Radio Electronics magazine. The integrated circuit must be equipped with a heat sink and the current is 1 A.
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...