Posted on Sunday, 8th August 2010 by Auw Jimmy

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I was playing with my Rigol Oscilloscope to measure my laptop power output. The sound card was Realtek ALC660.

I played a 1 kHz sine wave with a software and measure the output. Since this was not an isolated environment (I have some application running on the background), so the frequency measured was not completely locked at 1 kHz.

On my typical daily usage, the output measured at 102 mV.

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Posted in DIY Audio, Measurement | Comments (4)