High impedance preamplifier stage (CB4683E)

In the figure we have a high input impedance stage with a general purpose PNP transistor. An NPN transistor by reversing power polarity can be used.

EVAL AD5941 Electrochemical Evaluation Board
Analog Devives EVAL AD5941 Electrochemical Evaluation Board This board provided by Mouser...
LCD Display Module for IoT 2 4 inches 4Duin (COM088E)
September 2016 - It can be obtained from Mouser Electronics modules with 2.4 inch from 4D Systems...
Sample and Hold with the (CB3998E)
This circuit is from the 1990 Motorola Linear Databook, which can be developed with more modern...