We found this bridge circuit in Electronics Now magazine from September 1995. The instrument can be from 50 uA to 1 mA. The trimpot value depends on this instrument.
We found this circuit in a 1990s documentation. The circuit uses components from the era providing...
This 1968 circuit makes use of MOSFETs of the time. The circuit can be mounted based on modern...
Suggested to power the previous circuit, this power supply was found in the December 1990 issue of...