This circuit is intended for the control of a heating system motor with up to 10 kW of power. The circuit was found in old American documentation.
This circuit was found in a Hands On Electronics from the 90s. The microphone is a small 75-ohm...
This JFET amplifier stage was found in the Encyclopedia of Electronic Circuits Volume 5 from 1995....
To obtain more output power from an operational amplifier, we can use a transistor, as shown in...