Found in an American publication from 1968, this circuit generates pulses at a rate of 2,500 per second. The transistor can be replaced by a modern equivalent.
This circuit was found in documentation from the 80s. The components are from the time, but the...
We can make an oscillating relay producing a rectangular signal taking advantage of the inductance of...
The circuit shown in the figure is a voltage follower, that is, an amplifier with unit gain. The...