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Design >> RF Design >> How to determine VCO supply pushing spec for WCDMA
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Message started by boshiouke on Aug 1^st, 2005, 4:06pm

Title: How to determine VCO supply pushing spec for WCDMA
Post by boshiouke on Aug 1^st, 2005, 4:06pm

Hi,

Does anyone know how the VCO supply pushing spec is determined in WCDMA system, suppose the VCO is running at 4.3GHz? Or in any general system, GSM, WLAN, etc? I heard that the rule of thumb is 1/10 of the VCO gain. Is that correct? If not, how? Thank you so much.