When approached by a circuit that operates with RF signals, this circuit captures them by activating the indicator instrument. The circuit operates over a wide frequency range.
This VCO makes use of an RC4558 which is an operational amplifier with characteristics close to...
This circuit can operate with different voltages, depending on the zener used. We found it in a...
This circuit can be used in the car to control the windscreen wipper or with other appliances at...