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Re: [Discuss-gnuradio] Re: Residual Frequency?
From: |
Gregory Maxwell |
Subject: |
Re: [Discuss-gnuradio] Re: Residual Frequency? |
Date: |
Mon, 21 Apr 2008 18:22:40 -0400 |
On Mon, Apr 21, 2008 at 5:21 PM, Wireless Monster
<address@hidden> wrote:
> After the gmsk modulation (blks2.gmsk_mod) I have to scale the value (for
> example by multiplying it by 8000) before sending it to the USRP to get the
> resulting signal centered at the right frequency. If don't do it the output
> signal is shifted... I assume some minimum signal level is needed in the
> FPGA blocks to work correctly.
So a linear operation resulted in a change in frequency?
Uh oh..
Re: [Discuss-gnuradio] Residual Frequency?, Eric Blossom, 2008/04/19