The Selector block comes from the "deprecated" category, and that for good reason: Don't use it, it causes a huge teardown/setup effort behind the scenes, and not all is guaranteed to work. Follow Marcus' advice with the 0/1 multiplication and offset tuning. Best regards,the other MarcusOn Tue, 2018-07-17 at 23:06 +0000, Ayaz Mahmud wrote: > Hey Marcus, > > I think the Selector block works well with my setup. > > But I need a solution with which I can do a dynamic change in the > input/output index. Can you let me know how is this possible > > Ayaz > > > From: Ayaz Mahmud > > Sent: Tuesday, July 17, 2018 4:39 PM > > To: Marcus D. Leech; > "Müller, Marcus (CEL)"; discuss-gnuradio@gnu.org > > Subject: Re: [Discuss-gnuradio] Enable/Disable TX ports in B210 in 2x2 setup > > > Hi Marcus, > > The situation still is same. > > By browsing the archive I found some switching of blocks with SELECTOR. Is > there any example that will be helpful on how this block actually functions ? > > Thanks > Ayaz > > > From: Marcus D. Leech > > Sent: Monday, July 16, 2018 1:26 PM > > To: Ayaz Mahmud; > "Müller, Marcus (CEL)"; discuss-gnuradio@gnu.org > > Subject: Re: [Discuss-gnuradio] Enable/Disable TX ports in B210 in 2x2 setup > > > On 07/16/2018 02:05 PM, Ayaz Mahmud wrote: > > Hi Marcus, > > > > The issue is even I put the vector source toggling with 1 and 0s it > > transmit a signal. So I need something that will not transmit at all and > > switch between these 2 radio chains. > > > > Thanks, > > Ayaz > > You're probably seeing the residual LO leakage during periods of "no > transmit". > > > > You can try using offset-tuning to move the leakage out-of-band: > > > > Use: > > > > uhd.tune_request(frequency,offset) > > > > In the UHD sink for the "frequency" field. > > > > > > > > > > > > From: Marcus D. Leech > > > > Sent: Saturday, July 14, 2018 8:15 PM > > > > To: Ayaz Mahmud; > > "Müller, Marcus (CEL)"; discuss-gnuradio@gnu.org > > > > Subject: Re: [Discuss-gnuradio] Enable/Disable TX ports in B210 in 2x2 setup > > > > > > On 07/14/2018 06:40 PM, Ayaz Mahmud wrote: > > > Hi Muller / Marcus, > > > > > > I got the testing right now, but unfortunately it doesn’t work while I > > > put it in my original file. > > > > > > Here is the attached .grc where I have used vector source as input and > > > multiply a period with 1 and then with zeros on one radio channel and > > > opposite on the other. > > > > > > > > > Can you please have a look, and check if I am doing anything wrong ? > > > > > > Ayaz > > > > > > > You're asking us to debug a very complex signal flow. > > > > > > > > Why don't you try something a *lot* simpler to get the > > TX-flow-switching-logic correct first, and then work up from there. > > > > > > > > > > > > > > > > >
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