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A K-Band CMOS Quadrature Frequency Tripler Using Sub-Harmonic Mixer

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3 Author(s)
Chien-Nan Kuo ; Dept. of Electron. Eng., Nat. Chiao-Tung Univ. (NCTU), Hsinchu, Taiwan ; Huan-Sheng Chen ; Tzu-Chao Yan

A low-power frequency tripler is designed by using the sub-harmonic mixer configuration for K-band applications. The proposed circuit features quadrature signal generation, applicable to LO signal synthesis in millimeter-wave wireless transceivers. It achieves conversion gain of -5.7 dB at the output frequency of 21 GHz. Implemented in a 0.18 mum CMOS technology, the circuit consumes power of 7.5 mW with 1.5 V supply voltage. The entire die occupies an area of 1000times1050 mum2.

Published in:

Microwave and Wireless Components Letters, IEEE  (Volume:19 ,  Issue: 12 )