discuss-gnuradio
[Top][All Lists]
Advanced

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

Re: [Discuss-gnuradio] Amplitude settings in uhd_siggen


From: Martin Braun
Subject: Re: [Discuss-gnuradio] Amplitude settings in uhd_siggen
Date: Wed, 11 Feb 2015 12:05:14 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.4.0

On 02/11/2015 10:38 AM, zealdeal wrote:
> Is this clipping behaviour specific to uhd_siggen? Earlier I have tried to
> increase the amplitude of an OFDM subcarrier to more than 1.0 and saw linear
> increase in received amplitude. Clipping took place at quite a high
> amplitude.

No, 1.0 maps to FS for USRP blocks. In the OFDM example, watch the
amplitude of the signal before it enters the USRP sink. If it exceeds
1.0, I promise it will clip (and you will see this with a spectrum
analyzer).

M




reply via email to

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