modulations/demodulations performed by the software or hardware of Flex-5000A
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Posted Friday, December 07, 2007 6:44 AM
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Hello dears!      

1. what are the exact functions of the software and hardware?

           Example: Are the analog modulations/demodulations (SSB, DSB,FM and CW) performed inside  the Flex-radio?

2. I am fresh graduate in communication engineering and i'have computing exprience. Is it possible to develop my own software instead of PowerSDR to monitor the Flex-5000A? What programming language is prefered? What factors should i need to consider to make the software to be developed be compatible with the Flex-5000A? 

                 Thanks in advance!

M.A.M

Post #394
Posted Sunday, January 27, 2008 9:45 AM


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The only thing the hardware does, is converts RF to a digital I/Q data stream on RX and the opposite on TX. And it also interfaces to peripherals. such as the mic, key speakers, etc..

All modulation/demodulation, filtering, AGC ALC etc.. is done in software.

The modulations are not analog. They are all in the digital domain. The only thing that is analog is the RF and AF coming in and out of the FLEX-5000.

It is possible for you to write your own code, but it is not a simple task. It might be better for you to modify the PowerSDR source to meet your needs.

The DSP code is written in C and the current console is written in C#

See the FlexRadio FAQ for some basic information.
http://www.flex-radio.com/Products.aspx?topic=faq

There are also a lot on information in the Knowledge Base. I would recommend downloading the open source code from the SVN server (the how to is in the KB) and start looking through it.


-----
Tim - W4TME
Post #436
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