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A 54-69.3 GHz Dual Band VCO with Differential Hybrid Coupler for Quadrature Generation Host Publication: Solid-State Circuits Conference (A-SSCC), 2013 IEEE Asian Authors: Q. Shi, K. Vaesen, B. Parvais, G. Mangraviti and P. Wambacq Publication Date: Nov. 2013 Number of Pages: 4
Abstract: This paper presents a 40nm CMOS transformer based
dual-band VCO with differential hybrid coupler for I/Q
generation. The average phase noise of the combination over the
54 to 69.3GHz tuning range is ᇮdBc/Hz at 1MHz offset while
the best FOM value is 177dB. Along the wide tuning range, the
I/Q mismatch of the hybrid coupler is less than 3 degree. The area of
the hybrid is only 60um*65um.
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