Title :
Efficiency design of a 10GHz CMOS oscillator
Author :
Fu, Jeffrey S. ; Chiu, Hsien-Chin ; Ke, Po-Yu ; Feng, Wu-Shiung ; Chiang, Yi-Chyun
Author_Institution :
Dept. of Electron. Eng., Chang Gung Univ., Taoyuan
Abstract :
A fully on-chip transformer-based coupling 10 GHz CMOS oscillator is presented in this paper. By using on-chip transformer to reduce Si substrate loss of RF coupling and matching, a maximum DC-to-RF conversion efficiency of 16% with an output RF power of ~10 dBm at 9.98 GHz is achieved.
Keywords :
CMOS integrated circuits; MMIC oscillators; elemental semiconductors; integrated circuit design; silicon; CMOS oscillator; DC-to-RF conversion efficiency; RF coupling; RF matching; frequency 10 GHz; frequency 9.98 GHz; on-chip transformer-based coupling; Batteries; CMOS technology; Coupling circuits; Equivalent circuits; Microwave oscillators; Parasitic capacitance; Power generation; Radio frequency; Testing; Transmitters;
Conference_Titel :
Microwave and Millimeter Wave Technology, 2008. ICMMT 2008. International Conference on
Conference_Location :
Nanjing
Print_ISBN :
978-1-4244-1879-4
Electronic_ISBN :
978-1-4244-1880-0
DOI :
10.1109/ICMMT.2008.4540537
