Found in a 1964 General Electric documentation, this circuit uses PUTs that are not currently common components. By changing the capacitors, the frequency can be changed.
This Electronics Now circuit provides a signal when the voltage of a source drops below a...
Found in a 90s Popular Electronics, this circuit excites a 40 kHz ultrasonic transducer. The...
Found in a 90s Maxim's documentation, this circuit applies to almost any comparator. | Clique na...