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Class D Switching Power Amplifiers and Power D/A conversion

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Old 29th September 2007, 05:28 AM   #1
Bengali is offline Bengali  United States
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Join Date: Oct 2006
Default Ta2020

Hi,

I have a few of the TA2020 chips and would like to give it a try.

Do you know of any online source that sells just a bare eval pcb?

Is there much difference in the 1st run TA2020 vs. the TA2020-020?

The tripath bom calls for C1-C4 1000pF caps. I don't see them on the schematic, are they needed, if so, where do they go?

Lastly, what mods, component changes to improve the sound?

I see the charlize uses like 10uF caps instead of 2.2uF for the inputs, 1000uF instead of 180uF for the switcher.

thanks.
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