This circuit, with 1 A output, was found in a 1975 documentation. The transistors admit equivalents and the transformer has windings according to the voltages being worked.
This commercial medium and short-wave radio was manufactured in Japan in the 60s. The circuit has...
In the figure we have the way to use the LM3914 as a scale of bar LEDs or moving point. The...
Alternating taps on the pressure switch or sensor, cause the output to alternate the high and low...