[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Discuss-gnuradio] CW between bursts

From: Nowlan, Sean
Subject: Re: [Discuss-gnuradio] CW between bursts
Date: Mon, 12 Dec 2011 05:38:58 +0000

I'm using RFX900. Does it employ the same mechanism to be disabled between 
bursts? I thought it gets disabled after an end-of-burst packet. (Perhaps I'm 
doing something wrong with my burst code, but I'm pretty sure I send an EOB 


From: address@hidden address@hidden on behalf of Josh Blum address@hidden
Sent: Monday, December 12, 2011 12:00 AM
To: address@hidden
Subject: Re: [Discuss-gnuradio] CW between bursts

On 12/11/2011 08:26 PM, Nowlan, Sean wrote:
> I'm not sure whether this is a GNU radio or USRP issue, so I'm
> posting to both lists. I played around with GNU radio's stream
> tagging feature and managed to implement something that does timed
> bursts (partially by taking a lead from tag_source_demo.h, etc. in
> gr-uhd/examples).


> I'm observing a continuous wave at the carrier frequency in between
> bursts, and also during start-up when the gr_uhd_usrp_sink object is
> instantiated before any samples get transmitted. The CW is about 30
> to 40 dB down from my signal, but I'd like the radio to be silent in
> between bursts.

I suppose you are seeing the LO of the transmitter. What daughterboard
is this? I recently pushed a change because SBX was not properly
disabled between TX bursts.


Discuss-gnuradio mailing list

reply via email to

[Prev in Thread] Current Thread [Next in Thread]