Found in an ancient American documentation, this circuit can generate signals up to 40 MHz for a Z80, microcontroller widely used at the time. The circuit must be powered with 5 V and also serves as a shield.
In fact, this circuit transmits a signal rich in harmonics without any tuning and can be picked up in a...
We found this circuit in the August 1994 issue of Electronics Now magazine. The circuit is based on...
The purpose of this circuit is to alternately activate a two-tone horn with low sound and a horn...