15W Inverter (CB25380E)

This circuit is from an April 1991 Radio Electronics magazine. The circuit uses power MOSFETs and an integrated circuit from that time.

| Clique na imagem para ampliar |

Combined Light and Dark Alarm 741 (CB25480E)
This circuit detects a light window using two operating systems. The circuit is from a July 1992...
Pulse width discriminator (CB9690E)
This circuit was obtained in a 70s American documentation. The integrated circuits of the time are...
Hartley Audio Oscillator (CB1394E )
-- This old oscillator takes advantage of a transistor radio output transformer of the time. The 2...