This circuit was found in an Electronics Now from the 90's. The integrated regulator circuit and the power transistor must be equipped with heat radiators.
This Japanese commercial medium and short-wave radio uses 7 transistors and tunes the range from...
This control circuit for incandescent lamps was found in a publication from the 90s. The circuit uses...
This transmitter with counterphase oscillator was obtained in a documentation from the 90s. The...