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.
This circuit is from an English documentation from 1968 but can be assembled with modern...
This circuit was found in Linear Technology documentation from the 90s. The circuit uses the...
This amplifier is from Motorola's 1990 Linear Databook. The circuit can be used with operating...