[hpsdr] duc

[Graham / KE9H]

*Plagiarized from Page 6 of Phil Harman's presentation on "Fully Digital 
HF Radios"



Performance:

Image rejection:

      Rejection    Phase(deg)    Amplitude(dB)
        40dB         1.0            0.1
        60dB         0.1            0.01
        80dB         0.01           0.001
       100dB         0.001          0.0001

--- Graham / KE9H*

==

alex wrote:
> ***** High Performance Software Defined Radio Discussion List *****
>
> how accurate do the phase and magnitude numbers need to be for an 
> effective duc
>
> i know this is like `how much linearity is required` and may vary 
> depending on what quality is required but what order of magnitude

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