VK3GJZ Project Notes:   Modular Radio:

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DSP Phasing Receiver: 

My latest radio project consists of a series of modules:

• Quadrature AD9910 DDS Oscillator
  

• DSP IF Stage

• Mixer & RF Amp

• Audio Amp

Am very pleased with the results:

 - The AD9910 DDS  is incredibly clean. No sign of birdies or whistles.
 - No Intermod. On the BC band can tune one channel above and below my local boomer and hear interstate stations with no splatter.
 - Excellent side-band suppression with zero adjustments.
 - Perfect selectivity curves from the DSP IF.

more to come....

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Home:      Copyright © 2001 Graeme Zimmer VK3GJZ      All rights reserved

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