This circuit is from a technical documentation on the National Semiconductor LM3909. The tripping transformer has a 1:1 turn ratio and the circuit is powered with 5V.
In this circuit the photo-transistor signal is amplified by a Darlington step and then applied to a...
This circuit makes simultaneous control of two up to 150 W incandescent lamps. The circuit is half wave...
This circuit uses an integrated CMOS having the frequency determined by the resistors and...