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Class D Switching Power Amplifiers and Power D/A conversion

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Old 5th December 2012, 07:14 PM   #11
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Join Date: Dec 2012
Same kind of issue.

I hear high pitched noise with cracking if I turn the volume up. But if I unplug the audio cable it stops. I am using a simple 3.5mm audio male - male cable.

Would this fix my problem? HQ 2 Metre 3.5mm to 2 x Phono Plugs Gold Metal Cable by Cable Mountain
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Old 7th December 2012, 12:16 AM   #12
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Join Date: Apr 2008
Location: Carlisle, England
I had 2092 based system clicking like that and it was the power supply wasn't decoupled well enough.
Murton-Pike Systems PCBCAD51 pcb design software. http://www.murtonpikesystems.co.uk
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