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Issues with high imd3 while using mrf9085

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zzj

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mrf9085

Hi
I am useing the mrf9085 to do cdma hpa(10w).but i found it's imd3 is very high.i can't work out.
could you help me?
thanks
 

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MoonShine

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Did you measure the ACPR?
MoonShine
 

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THANKS!
I measured the ACPR,It's OK!But the IMD3 is OK when it's output power is 8w.
Did you use the mrf9085?could you help me? thanks!
 

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Yes Im familar with the 9085. I believe it's optimized for the backed off condition. The IMD's would depend on the bias point, how are you testing?

MoonShine
 

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