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System noise floor with external clock source

Question asked by JanBilek on Nov 2, 2010
Latest reply on Nov 2, 2010 by tabbott
Hi all,

I have a question. Is it possible to improve system noise floor at the ESA-E series spectrum analyzers by applying an external high-grade 10MHz clock source to the CLK IN rear connector? Does the improvement depend ONLY on performance of the external clock? If not, what affects the improvement?

I have the phase noise measurement personality but need to improve system phase noise in order to be able to measure oscillators with lower phase noise (TCXOs).

Thank you in advance for your help,