This circuit was found in a 1968 General Electric documentation. It has an input impedance of 2 M ohms and excites a load of 16 ohms. The integrated circuit of the time is the PA237.
November 2016 - The new Ohmite TO-126 power resistors in the range of 0.09 Ω to 51 kΩ with...
Other CMOS gates can be used in this sensor, which we found in the July 1995 Electronic Now...
We found this circuit in a 1965 Electronic Design. Transistors are still common but admit...