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Comment by 123919239

Yes, IQ modulation / QAM.

I haven't studied the BladeRF layout, I can just tell about the Ettus USRP. There, the receive path looks like that:

[Antenna]---[ADL5380 Quadrature Demod]===[2x low-pass filters in parallel]===[2x ADC in parallel]

Then you have digital data that is fed to the FPGA.

parent 123919239 8 years ago

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