This circuit is from a 1967 Triplett manual. The circuit uses components of the time, the common FET and the general-purpose bipolar transistor.
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...