Scullcom Hobby Electronics #32 - Design & Build 6½ Digit Millivolt Meter Part 1

In this project we will design & build a 6½ Digit Millivolt Meter with calibration. In this first part of this project we design and build the circuit and do an initial test. In part 2 we will cover the software and final test and build. Below are links to the full schematic and PCB artwork.