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Difference between revisions of "Software Defined Radios"

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===Receivers===
 
===Receivers===
 
* From Dave's Radio Page (High End DSP Sets not SDR)
 
* From Dave's Radio Page (High End DSP Sets not SDR)
** [http://webpages.charter.net/n9ewo2/wj8711.html Watkins Johnson WJ-8711 / HF-1000
+
** [http://webpages.charter.net/n9ewo2/wj8711.html Watkins Johnson WJ-8711 / HF-1000]
 
** [http://webpages.charter.net/n9ewo2/rx340.html TenTec RX340]
 
** [http://webpages.charter.net/n9ewo2/rx340.html TenTec RX340]
 
** [http://webpages.charter.net/n9ewo2/nrd545.html JRC NRD545]
 
** [http://webpages.charter.net/n9ewo2/nrd545.html JRC NRD545]

Revision as of 11:53, 21 March 2015

What is Software Defined Radio (or SDR)? Wikipedia gives a definition...

In short: an SDR is a radio with no IF, Modulator, or Demodulator stages as we generally understand those terms: a receiving RF preamp feeds directly into a (very fast) A-to-D converter, which is connected to a computer DSP/CPU to tune a signal and extract the modulated audio or data; on the transmit side, the CPU and DSP generate the modulation directly, and feed it to an RF power amp.

In the HF and ham world, it has appeared in 2 distinct phases; in use in high end amateur transceivers and receivers, and utilizing a PC as a controller, letting external software define how the SDR is addressed and utilized.

Please add any appropriate links for SDR here. The forum for this wiki can be found here

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