This high current switching stage was found in a 1967 EEE. The power transistor is from that time. The peak current can reach 30 A.
This fixed regulator for currents up to 2 A uses a 741 operational amplifier. The transistor must...
Using a zener diode it is possible to change the linearity of the scale of an analog instrument by...
This high sensitivity circuit was found in the July 1992 Radio Electronics magazine. The circuit...