This Power supply sources from 500 to 1,000 mA according the transformar and was found in a publication of the year 1958. The diodes can be now the 1N4004 and the transistor should be mounted on a heatsink.
El circuito de la figura es sugerido por National Semiconductor y puede servir de base para una...
This circuit generates signals with precise intensities for oscilloscope calibration. The circuit,...
Found in American documentation, this crystal oscillator that can have harmonics in the FM range,...