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Old 21st January 2011, 01:31 AM   #11
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I have used the IRS2092 class d chip and had good results.

For my more discrete design I used a IR2113 and that works great.
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Old 21st January 2011, 01:46 AM   #12
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Quote:
Originally Posted by lumanauw View Post
Has anyone tried Digital Isolator, like Si8410 for level shifter for classD pulses, replacing Optocoupler like 6N137?
Maybe hcpl0723 ok,the highest optocoupler.
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Old 23rd January 2011, 05:46 PM   #13
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Quote:
Originally Posted by lumanauw View Post
Hi, ChocoHolic,

What about the RF modulator/demodulator for transfering internal signal. Will it be a problem for a classD amp?
So far this did not see any critical impact from that, but I was not doing a full amp and also no EMI measurements.
I stoped, when seeing that I would run into issues with dv/dt.
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