This circuit activates a garage door by the car headlights car or a lantern. The circuit is from a 1967 documentation, making use of period components.
Found in a 1964 Electronic Design, this circuit generates pulses based on an avalanche diode of...
This circuit generates sinusoidal and cosine signals of 2 kHz given basically by the values of C1...
This circuit produces low frequency sinusoidal signals. The circuit is a phase shift oscillator...