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J. Electromagn. Eng. Sci > Volume 16(4); 2016 > Article
Journal of Electromagnetic Engineering and Science 2016;16(4):229-231.
DOI: https://doi.org/10.5515/JKIEES.2016.16.4.229   
A CMOS 180-GHz Signal Source with an Integrated Frequency Doubler
Jungsoo Kim, Myeong-Gyo Seo, Jae-Sung Rieh
School of Electrical Engineering, Korea University
Correspondence:  Jae-Sung Rieh,Email: jsrieh@korea.ac.kr
A 180-GHz signal source based on a 65-nm CMOS technology has been developed in this study. The 180-GHz signal source consists of a 90-GHz fundamental-mode Colpitts oscillator and a 180-GHz frequency doubler. A coupled-line is employed to couple two oscillator cores for generating a differential signal, which is delivered to the input of the differential-mode doubler. The fabricated signal source operates from 181.2 to 182.4 GHz with output power varying from -15.3 to -10.8 dBm. The peak output power was -10.53 dBm at 181.3 GHz with a DC power consumption of 42 mW, and the associated phase noise was -71 dBc/Hz at 1 MHz offset.
Key words: CMOS, Colpitts, Frequency Doubler, Oscillator, Signal Source
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