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24th June 2011, 02:08 AM
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#1 |
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diyAudio Member
Join Date: Dec 2006
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mmats d200hc and earthquake d2 gate drive signal
Does the gate drive signal in the power supply look different in these amplifiers than in most others? Should I still be seeing a square wave or is there something different going on here. I have one of each here and the amps both power on without drawing excessive current and it looks like I have solid rail voltage but the gate drive waveform is a sawtooth pattern. Is this right or do I maybe have my settings skewed on my scope.
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24th June 2011, 03:35 AM
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#2 |
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diyAudio Member
Join Date: Nov 2003
Location: Louisiana
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It should be square. Check the signal on the output pins of the SG3524 and at the output pins of the driver IC to see if they look the same.
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