This circuit was published in a 90s Radio Electronics. The circuit uses the well-known LM386 that appears in a large number of projects on this site.
We found this circuit in the March 1976 Radio Electronics magazine. The circuit is very...
This high impedance step suggested by an English publication can operate up to 1 MHz with 1 V rms...
This circuit found in an American documentation from 1964, alters the duration of a pulse and can...