This circuit was found in a 1980s documentation for amateur radio. The circuit makes use of components of the era, but modern equivalents can be used.
This circuit appears in several configurations in this site. This is from American documentation from...
We found this circuit in a 90s Radio Electronics. The circuit generates frequency-modulated 220 kHz signals. The...
El circuito de la figura es un regulador de corriente con ajuste en el rango de 0 a 3 ampères. El...