This heating element control with up to 3 kW was obtained from an old American documentation. SCRs must be load-compliant, and transistors can be current equivalents.
The figure below shows an AC transconductance amplifier with the National Semiconductor LM3900. The...
This circuit uses a Hall sensor in the feedback of signals that produce oscillations. The circuit is...
This experimental circuit for moving a stepper motor was found in a 2002 documentation. However, given...