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| From: | Marcus D. Leech |
| Subject: | Re: ETTUS N210 spurious |
| Date: | Tue, 18 Jan 2022 10:45:59 -0500 |
| User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.1 |
On 2022-01-18 10:01, Fabien PELLET wrote:
What sample rate? (Does that change things). Also, if you reduce the baseband amplitude a bit, does that help?Hello,When I put a signal generator that produces a sinwave at 1Khz and that feeds an USRP Sink with a frequency center at 12MHz for example, I got spurs at +/-32Khz, +/-64KHz and +/-96KHz at the output of my N210 (used with LFTX and LFRX). Whatever the frequency center of the USRP and the frequency of the baseband signal, I have to spurs around -70dBc.Any idea on where it could come from ? Hardware EMC problem ? Digital treatment issue ? How to solve it ?Best regards, Fabien, F4CTZ
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