This interesting circuit for SMD assembly appeared in the November 1987 issue of Radio Electronics magazine. The phonons are generated by selected resistors that are fitted to the assembly.
This circuit was obtained in old American documentation and is valid for common JFETs. The circuit...
This traditional metronome circuit is powered by voltages from 9 to 12 V and output drives a...
This ultra-low consumption circuit was originally designed to be powered by a solar panel or small...