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Entry  Tue Jul 30 09:20:18 2013, Giorgos, DailyProgress, SUS, HE output & DAC output/voltage follower IMG_4531.JPGSimulink_Draft_model.slx
    Reply  Tue Jul 30 11:14:16 2013, Koji, DailyProgress, SUS, HE output & DAC output/voltage follower 
       Reply  Thu Aug 1 11:50:02 2013, Koji, DailyProgress, SUS, HE output & DAC output/voltage follower 
Message ID: 689     Entry time: Thu Aug 1 11:50:02 2013     In reply to: 686
Author: Koji 
Type: DailyProgress 
Category: SUS 
Subject: HE output & DAC output/voltage follower 

Quote:

How much was the input impedance of the DAC conditioning board before putting the high-impedance voltage follower?

 It was 14.3K om, but as you pointed out, the main issue is that we connect the positive output to the GND. Now, we have a differential amplifier, so everything works fine.

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