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Analysis and Design of Open-Loop Multiphase Local-Oscillator Generator for Wireless Applications

Ka-Fai Un, Pui-In Mak, Rui P Martins
2010 IEEE Transactions on Circuits and Systems Part 1: Regular Papers  
The first one is an octave-phase LO generator designed in 90-nm CMOS featuring multiple switchable phase correctors in cascade.  ...  Optimized in 65-nm CMOS, it can be operated in octave-phase mode for image-reject harmonic-reject downconversion or in quadri-phase mode for simple image-reject downconversion.  ...  Example 2 was designed and implemented in 65-nm CMOS for use in a 170-1700-MHz fullband mobile-TV tuner.  ... 
doi:10.1109/tcsi.2010.2046955 fatcat:u4ob2xqucnd2zl7se2dutl3yhu