This circuit was obtained in a 1967 General Electric manual. The circuit applies to other triacs. The other components are common today. The load is inductive.
This circuit generates two signals in phase opposition. The frequency is determined by R1 and C1...
This is the conventional application of the UCN4202 to control a 12 V stepper motor with current...
This oscillator with the PLL 4046B was obtained from a 90s Radio Electronics. The circuit...