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Re: [Discuss-gnuradio] What Modulation Scheme does RFX400 can perform?
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From: |
Marcus D. Leech |
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Subject: |
Re: [Discuss-gnuradio] What Modulation Scheme does RFX400 can perform? |
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Date: |
Tue, 11 Jan 2011 12:54:24 -0500 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.9.1.15) Gecko/20101027 Fedora/3.0.10-1.fc12 Thunderbird/3.0.10 |
On 01/11/2011 11:57 AM, Songsong Gee wrote:
> Same as Title, What Modulation Scheme does RFX400 can perfom?
>
>
Any modulation scheme you can think of that can be represented
efficiently as a series of
mathematical operations producing a baseband waveform that is then
up-converted by the
RFX2400 to the final frequency.
In SDR, the hardware doesn't "know" anything about modulation or
demodulation, that's up to the
software. The only limitation of the hardware is the bandwidth of the
resulting waveform.
The daughtercards typically anti-alias bandwidth limit the waveforms to
about 25-30MHz or so, on
the analog mixer inputs/outputs.
--
Principal Investigator
Shirleys Bay Radio Astronomy Consortium
http://www.sbrac.org