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ES9018K2M, ES9028Q2M, 9038Q2M DSD/I2S DAC HATs for Raspberry Pi
ES9018K2M, ES9028Q2M, 9038Q2M DSD/I2S DAC HATs for Raspberry Pi
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Old 8th August 2018, 05:27 PM   #611
dutchdiyer is offline dutchdiyer
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Thx Soundcheck. I got that. I only wanted to emphasise on the separation of the Power-unit. Though the explanation of the different voltages is nice. It's just how one charges these beasts.
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Old 8th August 2018, 06:00 PM   #612
iancanada is offline iancanada  Canada
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ES9018K2M, ES9028Q2M, 9038Q2M DSD/I2S DAC HATs for Raspberry Pi
Quote:
Originally Posted by soundcheck View Post

These buffers need an intelligent charging scheme though.
That's the challenge.
.
@soundcheck

Yes, that's 100% correct.

It needs a smart controller for sure. And also, have to use isolated status monitoring.....isolated on/off control .....everything has to be isolated from the ultra capacitor....

Regards,
Ian
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Old 8th August 2018, 06:41 PM   #613
clsidxxl is offline clsidxxl  France
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The connection between the 2 supercapacitor is also to see ,Maxwell recommended a bus bar which can be welded,but only by laser welding
that's the ideal connection
I feed the I2S to PCM converter and the clock board together at 3,3V,with the Maxwell 2000F it allows me 2 hours of music from 3.45V to 3.15V.
Compare with a Reflektor and Lifpo4 the vocals,low frequency,and depth are much better.
https://www.zupimages.net/up/18/32/qnh4.jpg
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Old 8th August 2018, 06:48 PM   #614
iancanada is offline iancanada  Canada
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ES9018K2M, ES9028Q2M, 9038Q2M DSD/I2S DAC HATs for Raspberry Pi
Quote:
Originally Posted by clsidxxl View Post
Did I clone your configuration?

BTW, looks very nice. Also similar experience

Regards,
Ian
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Old 8th August 2018, 07:03 PM   #615
clsidxxl is offline clsidxxl  France
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Thank Ian
They are slightly shorter,10 Cm for 2000F and 13,5 Cm your 3000F.
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Old 12th August 2018, 11:22 PM   #616
pinnocchio is offline pinnocchio  Canada
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I have faith! Ian can do it!
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