We have already presented this circuit, obtained from manuals from other manufacturers of the used integrated circuit. This is specifically from Motorola's 1990 Linear Databook.
We found this circuit in the July 1969 Radio Electronics magazine. The circuit uses a coupler made...
The FET of this circuit of a 1971 publication may be the BF245. The circuit serves as a voltage...
This circuit was obtained from an American documentation from 1969. The operational amplifier and...