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ADF4350 Output A/B isolation

Question asked by on Aug 22, 2012
Latest reply on Oct 2, 2012 by icollins    




I recently purchase a ADF4350 EVK, and I did Output A/B isolation measurement, at few GHz. When A=on, B=off, I measured ~ -15dBC leakage from B. And from above post, I think I should get 30-40 dB isolation.


Is that mean the EVK layout/output load is not optimized for isolation?


Could you please more detail guide to achieve best isolation?