This high input impedance circuit is suggested by Motorola's 1993 Linear Interface ICs. The power supply must be symmetrical. The circuit has a differential input.
We can obtain the voltage multiplication using all six inverters of a 4049 integrated circuit, as...
The existence of field effect transistors at the input of the integrated circuit (operational...
This circuit can be adapted to an FM radio or other receiver that does not have a tuning indicator LED....