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Re: [Discuss-gnuradio] Some nice HUM
From: |
Eric Blossom |
Subject: |
Re: [Discuss-gnuradio] Some nice HUM |
Date: |
Tue, 22 Feb 2005 11:53:50 -0800 |
User-agent: |
Mutt/1.5.6i |
On Tue, Feb 22, 2005 at 02:20:12PM -0500, James Cooley wrote:
> Hi all,
>
> OK, Got FM radio and FM stereo to work using USRP + Basic RX + microtune
> 4937 frontend.
>
> I'm hearing a nice hum along with whatever I tune into. Anyone else?
>
You shouldn't be hearing any hum.
I use a similar setup all the time with no hum.
Look at the output of your 4937 board with an o'scope and see if the
hum is visible there.
Bad or missing ground someplace?
Eric
RE: [Discuss-gnuradio] NBFM, Matthew Francey, 2005/02/17