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.
This circuit is an improvement of the previous one, with the use of two transistors produces a...
We found this circuit in a manual from the 80's. The circuit is valid for any operation and the...
This circuit is from an old manual of linear integrated circuits. The LM185 is not a common...