nonolith/CEE — Issue #22: set current, measure voltage mode oscillates in certain ranges of operation
Author: itdaniher
Created: 2011-10-11 16:44:17+00:00
State: open

Likely due to a bandwidth mismatch between our current sense and output amplifiers. Discussions with people who know more than us have lead us to believe this issue is fixable by lessening our amplifier gain and adding a highpass capacitor to our inverting input, increasing our phase margin.

Recommended reading: "My Approach to Feedback Loop Design" by Perkins