Brain,
Sorry my bad...your earlier technique worked. Thanks much Regards, Naveen From: Brian Padalino <bpadal...@gmail.com> To: naveen nischal <naveen_crys...@yahoo.co.in> Cc: discuss-gnuradio@gnu.org Sent: Mon, 16 August, 2010 12:16:57 PM Subject: Re: [Discuss-gnuradio] USRP spike Hi Naveen, On Mon, Aug 16, 2010 at 2:05 PM, naveen nischal <naveen_crys...@yahoo.co.in> wrote: > > Brain, > Thanks for the reply. We have tried terminating the antenna input, the spike > still shows up. We also tried tuning a bit away from the signal of interest > and mixing the signal of interest to baseband but it doesn't seem to help, > the spike just follows the signal all over. I expected the DC offset to still show up after terminating the antenna input, but I don't understand how the spike always follows the signal unless something is actually there. From your example, you have 435.300MHz as your center frequency which "appears" to have a large signal present. If you tune to 437.300MHz, do you see a strong signal at 435.300MHz still - or does it "follow" your center tuning to 437.300MHz and 435.300MHz is "in the noise floor"? > Thanks, > Naveen Brian
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