This circuit supplies a continuous voltage at its output, which is the peak value of the alternating input voltage. The circuit is from a 90's EDN, making use of Maxim integrated circuits of the time.
We have in the figure a traditional amplifier configuration with operational amplifier. The source...
This circuit can be used in the car to control the windscreen wipper or with other appliances at...
In the figure we show how to use a varicap to modulate a signal in frequency. The circuit can be...