Re: [Discuss-gnuradio] TVRX Microtune 4702 (4937) Gain question

It came from a VERY old traditional GR build.

I thought *no changes there in source code init stage was altered* after moving on to uhd, I was wrong.

 

Time for me to upgrade from trad to uhd. Latest git trad compile does serve my needs still 100%

 

Thanks,

Patrik

----- Original Message -----

From: Marcus D. Leech

To: discuss-gnuradio@gnu.org

Sent: Friday, June 24, 2011 19:11

Subject: Re: [Discuss-gnuradio] TVRX Microtune 4702 (4937) Gain question

On 24/06/2011 11:45 AM, Patrik Tast wrote:

Hi All,

 

I can not see in source code where GR is setting the TVRXx gain. I'm referring to

gnuradio-core/src/lib/io/microtune.cc

 

If so (not set), what does it default to, max? See page 12 and forward. The tuner document can be found at 

http://www.poes-weather.com/~patrik/usrp/4937-DI5-3x8899-2.pdf

 

Patrik

I don't know where that file came from--it's not in the current Gnu Radio source tree.

But certainly, in UHD, in the "db_tvrx.cpp" file the constructor for the "tvrx" class initializes the gains on the device.

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