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.
The basis of this circuit is the integrated TA7205, which is not very common today. We found the...
January 2017 - Mouser Electronics already has the new PMO Sonalert microphone elements from...
We found this circuit in an old publication. The transformer has a 9 or 12 V secondary, and the...