Hi,
I am testing a transceiver link in ISM band using two USRP2+RFX2400, one
configured as TX and the other one as RX. I would like to test my own
FPGA program, so for now I have your FPGA codes in which I only changed
the signal driving the DAC in TX to be an square wave (+8191 or -8192)
with frequency about 400Hz. At the RX side, I am looking (using an
oscilloscope) at the input to the ADC and what I see is quite like my
square wave modulated with a carrier of couple of MHz. I looked at the
schematic of RFX2400 and I didn't find any PLL or clock recovery
circuitry! so I wonder how the frequency offset at RX could be avoided?
Regards,
Malihe
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