----- Original Message ----
From: Brian Padalino <address@hidden>
To: Bill Stevenson <address@hidden>
Cc: address@hidden
Sent: Friday, September 26, 2008 4:09:25 PM
Subject: Re: [Discuss-gnuradio] how is interpolation rate dynamically set?
On Fri, Sep 26, 2008 at 4:00 PM, Bill Stevenson
<
address@hidden> wrote:
> Hello, everybody!
>
> I am working on the demo file:
> gnuradio-examples/python/digital/benchmark_tx.py. In the file
>
transmit_path.py, it is said "specify bitrate. samples-per-symbol and
> interp/decim will be derived." How are interp/decim rate and
> samples-per-symbol derived respectively? what is the range for the variable
> interpolation rate? Is interpolation rate increased as a multiple of 4?
> could anyone tell me where i can find the dynamical range of interpolation
> rate?
Try the wiki:
http://gnuradio.org/trac/wiki/UsrpFPGA#TransmitChainThe interpolating CIC filter, I believe, can handle integers in the
range [4,255]. The source can be found here:
http://gnuradio.org/trac/browser/gnuradio/trunk/usrp/fpga/sdr_libBrian