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Re: [Discuss-gnuradio] ScopeSink Howto
From: |
Berndt Josef Wulf |
Subject: |
Re: [Discuss-gnuradio] ScopeSink Howto |
Date: |
Fri, 7 Jan 2005 02:30:19 +1030 |
User-agent: |
KMail/1.7.2 |
On Thursday 06 January 2005 22:52, Prateek Dayal wrote:
> Hi,
>
> I have been trying to use to scope sink and it is not working very
> predictably. I tried the demo program that is there and it worked
> fine. Then I tried generating say a 350 Hz sine wave with a sampling
> of 1 kHz, 3 Khz, 1 Mhz but it all resulted in a line. It seems to be
> working only for higher input frequecies. Is there some specific
> tuning that needs to be done for lower frequencies ???
Did you change the timebase of the scopesink to a value that accommodates your
signal (e.g. 10 ms/div)? The sample applications opens the scope with a
timebase of 50us/div which would display only a fraction of the 350Hz signal.
Think of it like a real oscilloscope.
cheerio Berndt
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