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Bulletin just posted - ecu noise replacement - nice work members!!!!

I noticed the same high frequency sound also. It reminded me of the unstable switching mode power supplies I designed at work (can almost play songs by varying the load

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Bulletin just posted - ecu noise replacement - nice work members!!!!

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11-15-2009, 11:34 AM	#36 (permalink)
farmosh203 Base Member Join Date: Nov 2009 Location: Arizona Posts: 24 Drives: 09 Nissan 370Z sport Rep Power: 16	I noticed the same high frequency sound also. It reminded me of the unstable switching mode power supplies I designed at work (can almost play songs by varying the load current hehe). If it was coming from the ECU, I would suspect that the feedback network on a power supply needs some more capacitance to fix the phase margin.

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