This old configuration, using a unijunction transistor (UJT) controls a LED than blinks if an overload condition is detected. The triggering point is found by adjustments by P1. This circuit is intended to operate with amplifiers starting from 20 W.
This old configuration, using a unijunction transistor (UJT) controls a LED than blinks if an overload condition is detected. The triggering point is found by adjustments by P1. This circuit is intended to operate with amplifiers starting from 20 W.
