This circuit was found in an American documentation from the 90s. It consists of a variable with a triac in which the load current can be controlled, monitored by an ammeter.
The presented circuit makes use of two hybrid modules (see articles on the website) to drive a...
With this simple tester you can measure the gain of an NPN or PNP transistor. The instrument can...
This circuit amplifies signals only in the frequency range determined by the double T. The circuit is...