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ADL5240 amp out low gain

Question asked by sshoaf Employee on Nov 18, 2016
Latest reply on Dec 26, 2016 by kkaya

ADL5240 set for AMP-DSA config.  Not getting full gain out of amp when DSA set to 0dB atten.  At 1.69GHz it should be around 20dB gain.  When I try to look at the amp output directly (isolated no feedback) with a pigtail it oscillates.  Why?  Suggestions??