Recommended by 90s a Radio Electronics, this unit uses a transformer with a 70 V x 5 A secondary, being indicated for powering amplifiers from 50 to 100 W.
This circuit is from the time when seat belts were still being adopted. Obtained from a 1976...
This circuit was obtained in a 1978 English magazine. We can easily assemble it, as all components are...
In the figure we have a circuit of a dimmer for fluorescent lamps. The circuit is from...