Found in ancient American documentation this circuit uses semiconductors from the thyristor family such as SCRs, Triacs and unijunctions. The circuit can control loads up to 550 W with the indicated triacs.
Other operational amplifiers can be used on this unit gain amplifier. The circuit is from the 1993...
Based on components from Linear Technology, we find this circuit in a 2005 manual. The circuit...
DC motors from 6 to 12 volts and currents up to 2 amps can be controlled with this circuit. The TIP41...