2005113123439729RF CMOS Class C Power Ampliers for Portable Wireless Communications R. Sekhar Narayanaswami University of California, Berkeley Qualifying Examination December 7th, 1998 Qualifying Exam, 12/7/98 1 Wireless Systems Wireless connectivity increasing rapidly Current and Potential Wireless Applications Cellular/Cordless PDAs High-Speed Wireless Data Qualifying Exam, 12/7/98 Slide 2 of 30 Current Implementations Large form factor Chips designed in multiple technologies Many discrete components Integrated transceiver would facilitate low-cost, single-chip radio solution Qualifying Exam, 12/7/98 Slide 3 of 30 Implementing/Integrating Power Amplier 7mm PA Potential Future Implementation Potential for full-scale integration in CMOS PA needed for transmission from mobile uni……