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Strange results when simulating Oscillator with phase noise in ADS, help....

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electronicman1

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Hi all

I was trying to simulate OSCwPhNoise in ADS. I'm using a Circuit harmonic and envloppe simulation engine. To generate the phase noise I use the OSCwPhNoise component.

The problem is that I'm obtained weird result when i ploted spectrum.

Anyone have any clue as to why this is happening?

I'm attaching a picture of the schematic and the display window.
 

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