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.
This is a circuit that appears several times in this section and in articles. It is a preamplifier for...
This circuit can be found in all 723 manufacturer's manuals. This circuit is specifically from...
This oscillator takes advantage of the 2000 ohms headphone inductance as the oscillator circuit coil....