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 found this circuit in a 1976 publication for radio amateurs. It was originally intended for use in...
The circuit shown is from Linear Technology Applications 1994. The circuit provides an accurate...
We found this circuit in a 1977 publication for radio amateurs. It serves to test general purpose...