Found in an Electronic Design of 1964 this circuit has a control for the frequency and another for the active cycle the signal. The bipolar transistor can be a general-purpose type.
We found this circuit in a Popular Electronics of the 80s. The circuit can be made with almost any...
Found in a 1990s Motorola documentation, this circuit aims to protect a triac that drives an...
In the figure we present an interesting application suggested by Microchip (www.microchip.com) in which the voltage...