mmats d200hc and earthquake d2 gate drive signal - diyAudio
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Old 24th June 2011, 03:08 AM   #1
spooney is offline spooney  United States
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Default 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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Old 24th June 2011, 04:35 AM   #2
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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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