This very complex circuit in terms of the number of transistors was found in Radio Electronics from March 1966. The circuit is for low impedance headphones. The transistors are from the time.
This circuit operates according to the same principle as the previous one, but it has a difference in...
This transmitter emits signals in the FM range, reaching a few meters away. The modulation...
The integrated circuits of the ULN2001 / 2/3/4 series also known as MC1411 / 12/13/14 consist of...