Suggested by General Electric in a 1970 documentation, this circuit makes use of some components of the time, in the case of transistors. The circuit detects smoke by the transparency changing of the air.
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...