This circuit from a Radio Electronics from December 1974 was used in color televisions of the time. It serves as a reference for restoration work. The circuit is of the ultrasonic type.
We found this circuit in the March 1994 issue of Electronics Now magazine. The transistor is...
This circuit with two transistors was found in ancient European documentation. Transistors support...
Found in American documentation from the 1980s, this circuit makes use of components of the time,...