For this week’s QSPICE schematic capture, we have a “Simulation of Instrumentation Amp Using QSPICE” by our friend Suded Emmanuel. “From TI INA823 model that was imported into QSPICE, I then modified the autogenerated symbol to match main stream in amp schematic symbol. I also imported the AD8601 opamp model then, edited the symbol and checked the output plot. Overall gain of the two stages is 946 Floating voltage V3 is amplified by two stages first stage INA823 in amp, second stage AD8601 opamp.” (Schematic Capture Post #038)
Testing INA823 Inamp (1).qsch (35.5 KB)