Found in an Electronic Design, this circuit makes use of general-purpose bipolar transistors. The circuit can be adapted to operate at lower voltages
This commercial receiver from the year 1958 uses two AA cells as Power supply. The circuit is...
The interruption of the light incident on the phototransistor causes the trip of this circuit that can...
This basic amplifier using complementary transistor in the output sources about 0.5 W of good...