This circuit for controlling high power LEDs (up to 2A) is from a General Electric documentation from 1970. The circuit serves to modulate a transmitter in PWM. The circuit serves as a shield.
Frequencies from 1 to 10 MHz can be obtained with a small adjustment of the variable in a narrow...
This flasher of two incandescent lamps was discovered in a 1983 documentation and it has two...
We found this trebble booster circuit in a 1990 documentation. The components are current, and the...