Digital Vacuum Gauge

Posted on Oct 10, 2012

A bridge circuit is used to produce a signal from the output of vacuum sensor IC1. IC2b provides about a 0.2 V offset

Digital Vacuum Gauge
Click here to download the full size of the above Circuit.

for IC4, the A/D converter. IC2b and d are voltage followers that drive differential amp IC2a. The output of this circuit is used to drive IC4 and IC1, the display drivers.

Leave Comment

characters left:

New Circuits



Popular Circuits

Audio DAC S / PDIF (AES3) to analog
Sound-Level Meter
z80 cpu test circuit