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Re: Software Defined DSP Satellite Radio Project?
- Subject: Re: [amsat-bb] Software Defined DSP Satellite Radio Project?
- From: Mike <Mike@xxxxxxxxxxxxxxxxxxxxxx>
- Date: Fri, 03 Nov 2000 17:17:04 +0000
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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