We found this circuit in a 90s Popular Electronics. The circuit can be implemented with modern components. The power MOSFET is according to the controlled load.
This circuit is from Mullard 1969 documentation. The circuit operates at a relatively high supply...
This asymmetrical crossover filter was obtained from an 80s integrated circuit manual. The...
This dimmer constrols the temperature of a wire used to print images in wood or other materials....