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91-121 push pull output hum
#3

using an oscope if you have one , connect to your expected dc voltage points and determine where the highest AC ripple is.
A stray excessive ac ripple could honestly be just about anywhere.


Messages In This Thread
91-121 push pull output hum - by grandntl - 11-07-2017, 09:46 AM
RE: 91-121 push pull output hum - by morzh - 11-07-2017, 10:28 AM
RE: 91-121 push pull output hum - by jcassity - 11-07-2017, 11:04 AM



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