We found this measurement circuit with a logarithmic scale in an Electronics Now from November 1995. The circuit uses an integrated component from that time.
This very high input impedance circuit is suggested by Texas Instruments. The circuit can be...
January 21, 2016 - Mouser Electronics, Inc. is now shipping the highly anticipated Arduino 101from ...
If you have a common analog multimeter, you can increase its input resistance in the measurement of...