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how to measure VCO phase noise (Read 3031 times)

mydreamhouse Junior Member Offline Posts: 23	how to measure VCO phase noise Apr 15^th, 2009, 11:10am VCO frequency is dowonconverted to a IF signal, I have measured the IF phase noise, but how to calculate VCO phase noise ?
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pancho_hideboo Senior Fellow Offline Posts: 1424 Real Homeless	Re: how to measure VCO phase noise Reply #1 - Apr 16^th, 2009, 5:47am mydreamhouse wrote on Apr 15^th, 2009, 11:10am: VCO frequency is dowonconverted �to a IF signal, I have �measured the IF phase noise, but how to calculate VCO phase noise �? If you know phase noise of LO signal to down convert VCO to IF, you can evaluate phase noise of VCO.
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