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Class D Switching Power Amplifiers and Power D/A conversion

DSPed, portable/embeddable classD design advice
DSPed, portable/embeddable classD design advice
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Old 25th October 2019, 09:52 AM   #11
lutkeveld is offline lutkeveld
diyAudio Member
Join Date: May 2013
Yes that is possible. You need the USB CSR<->SPI programmer and the UniversalFrontEnd tool.
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Old 2nd November 2019, 12:12 AM   #12
dimavb is offline dimavb
diyAudio Member
Join Date: Sep 2018
I`m happy someone also interested
All CSRs are pretty closed in development tools. Overall listed system can be made only with such a bluetooth module, as it has pretty good DSP inside it. But I think it will be really problematic to find working tools and made all thinks to work reliable.

So I`ll simplify design a bit. BT, CC8520 + PAs + ADC + header for additional amp needs a big MPU with big amount of I2Ss. And I don`t want to use ADAU DSP.
Crossovering, 10-20 biquads, FIR for mid-high frequencies can be easily made with ~200mhz Cortex M7

Some investigations needed, and I`ll start development soon
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