Thread: Discussion H-bridge motor controller
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Old Apr 05, 2012, 02:00 PM
CombatWombat is offline
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United States, NJ, Edison
Joined Mar 2008
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Quote:
Originally Posted by jeffs555 View Post
Don't have any more insight into the gate drive levels, but FYI you can do differential measurements with that TEK scope you showed in your pictures. You use two probes and set channel 1 and 2 to ADD and then invert channel 2. The display will be the differential voltage between the two probes.
Yes, I can subtract channels, but is that really the same as a differential probe? I thought they had fancified amplifiers built in for common-mode-rejection reasons.

I have more probes coming, so I will try some things anyways.
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