This circuit was found in a 1968’s Motorola documentation. The transistor is from that time. The load can have resistances between 10 and 80ohm.
This sophisticated workbench power source was found in 90s Radio Electronics. The maximum current...
We found this circuit in a publication for radio amateurs of 1976. The operational amplifier is a...
This circuit was found in the June 1991 issue of Radio Electronics magazine. The circuit uses two...