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Multicarrier Intermodulation Products - RF Cafe Forums

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Amateur Radio | Antennas | Circuits & Components | Systems | Test & Measurement


ljoseph
 Post subject: Multicarrier Intermodulation products
Posted: Mon Jan 09, 2012 12:54 pm 
 
Captain
User avatar

Joined: Tue Sep 04, 2007 7:54 am
Posts: 16
Location: Dallas
Hello,

This is regarding the intermodulation products from Multicarrier transmission. Suppose I have six carriers (1840.6 Mhz,1841.6Mhz,1842.6MHz,1843.6MHz,1844.6 MHz and 1845.6 MHz) spaced 1Mhz apart and fed to a power amplifier.
In this case howmany pure IM3 products will be there?. I did excel calculation and come up with 30 IM3 products(calculated using 2*f2-f1....). Is this correct?
How many IM5 and IM7 products?
Has anybody got excel/matlab for making this type of calculations?
Appreciate your help.





Posted  11/12/2012

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