When an alternator is used to supply constant current, it needs an adjustment that must be made as shown in the figure. The potentiometers are of low wire value with high dissipation.
This variable voltage reference uses a Norton operational amplifier. The voltage is adjusted at...
This 6 transistor TR26 commercial radio was sold in Japan in the 60s. It is a super heterodyne circuit...
n be assembled with BC558 transistors for low power transistors and a BD136 for the output. The...