This circuit was found in a Mallory documentation from 1968. The integrated circuit is of the time, unusual in our day. Input sensitivity is 20 mV for 2 W output.
This TTL oscillator was found at Popular Electronics in 1992. It provides both sinusoidal and...
This circuit detects the presence of a pilot flame in heating systems by the presence of infrared...
This circuit is the transmitter for the previous project and also for what will come next. It is a...