Eric.Wilson: Difference between revisions

Latest revision as of 17:49, 13 June 2013

4-9-13 -- Here are some useful links to mixers that I found (The second link may be more useful):

Other useful information:

PCB design:

Our radio website:

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 -9-13 -- Here are some useful links to mixers that I found (The second link may be more useful):
 http://www.mhprofessional.com/downloads/products/0071544526/SayreCh07.pdf
+http://www.qsl.net/va3iul/RF%20Mixers/RF_Mixers.pdf
+Other useful information:
-http://www.qsl.net/va3iul/RF%20Mixers/RF_Mixers.pdf
+[http://ea4nz.ure.es/sdr/sdr.html SDR design]
+[http://www.chrisangove.com/ee_ref/attenNF_1b.pdf A good article on noise figure]
+[http://www.ittc.ku.edu/~jstiles/622/handouts/Noise%20Figure%20of%20Passive%20Devices.pdf Noise Figure of Passive Devices]
+[http://www.ittc.ku.edu/~jstiles/622/handouts/Noise%20Figure%20and%20SNR.pdf Noise Figure and SNR]
+[http://www.qsl.net/va3iul/Noise/Understanding%20Noise%20Figure.pdf Understanding Noise Figure]
+[http://www.sm5bsz.com/pcdsp/ntemp.htm On Noise Figures and Noise Temperatures]
+PCB design:
+[http://www.ti.com/lit/ml/slyp173/slyp173.pdf High Speed PCB Layout Techniques]
+Our radio website:
+https://sites.google.com/site/sdrelectronicsproject/
--15-13 -- If you are seeing the LO signal coming through the output of the mixer, it could be that the LO signal is just being picked up on the output. I could disconnect the LO signal from the mixer and it still showed up on the output.