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AD9915, poor output performance beyond 100MHz

Question asked by analogdengi on Sep 18, 2017
Latest reply on Oct 3, 2017 by mcee



after setting up the AD9915 to function via parallel programming, I discovered, that the output signal of the chip is getting more noisy and is losing amplitude until it is not useable anymore at about 170 MHz. Up to 100 MHz I get a very clean sine wave with a 1.2 V-pp level. I am using my own board based on the EVAL-board.

Any help is very much appreciated. 


Kind Regards