This circuit was found in a 1965 Electronic Design. What it does is respond only to positive pulses (above zero volts) and can be used in automation systems.
We found this circuit in an American documentation from the 90's. The circuit makes use of general...
This circuit provides a pulse train of 4 MHz or at another frequency determined by the crystal during...
This effect for guitar was found in an English magazine from 1978. The transistors can be the most...