This circuit uses an LED (called SSL) to regulate current in a configuration with complementary transistors. The circuit is from 1970 General Electric documentation.
This circuit was found in an old GE SCR manual. The SCR must be in accordance with the relay and...
Found in an Electronics Now from the 90s this mixer has several inputs. The integrated circuit can...
In the figure we have a piezoelectric transducer drive circuit that can be used in conjunction with the...