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[Discuss-gnuradio] Bandpass Sampling

From: Richard Bell
Subject: [Discuss-gnuradio] Bandpass Sampling
Date: Mon, 8 Dec 2014 11:23:01 -0800

I have a binary FSK signal centered at 300 MHz with 160 kHz offset peaks from the center freak. Therefore the lowest signal frequency of interest is 300-0.16 = 299.84 MHz and the highest is 300.16 MHz.

I know the maximum sampling rate of the USRPN210 ADC is 100 MSPS. If the USRP uses that sample rate of 100 MSPS, it will alias my signal onto itself in an unwanted manor.

My question is, how does the USRPN210 decide what sample rate to set the ADC to? Is it a function of both the center frequency and the sample rate setting of the UHD source block?


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