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Re: Software Defined DSP Satellite Radio Project?




The RF TX power amp is pretty much "black box" stuff, but the exciter
could easily use direct digital synthesis for some very exotic modes
indeed:

DDS: 300MHz Output, accuracy to 1 *micro*Hz
http://products.analog.com/products/info.asp?product=AD9854

DDS/DSP RF Modulator Application note
http://www.analog.com/techsupt/application_notes/AN-543.pdf

Also, for the RX:
Digital Superhet RX
http://www.analog.com/techsupt/application_notes/AN502.pdf

Mike (No connection with these people btw...)

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