Ka-band ultra low voltage miniature sub-harmonic resistive mixer with a new broadside coupled Marchand balun in 0.18-μm CMOS technology

Yang, Geliang; Wang, Zhigong; Li, Zhiqun; Li, Qin; Liu, Faen; Li, Zhu

doi:10.1631/jzus.c1200369

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2014

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“…For asymmetric baluns, analysis simply in terms of port impedance has been presented in [4] which can not explicitly characterize the balun's balance performance. In our previously published work [7], theoretical analysis for the balance compensation from a symmetric point of view has been presented, which cannot be applied for an asymmetric balun. Within this context, we explore the balun's balance compensating techniques directly using the S-parameters from an asymmetric perspective.…”

Section: Introductionmentioning

confidence: 99%

Balance-Compensated Asymmetric Marchand Baluns on Silicon for MMICs

Yang

Wang

et al. 2014

IEEE Microw. Wireless Compon. Lett.

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The balance compensating techniques for asymmetric Marchand balun are presented in this letter. The amplitude and phase difference are characterized explicitly by and , from which the factors responsible for the balance compensating are determined. Finally, two asymmetric Marchand baluns, which have normal and enhanced balance compensation, respectively, are designed and fabricated in a 0.18 CMOS technology for demonstration. The simulation and measurement results show that the proposed balance compensating techniques are valid in a very wide frequency range up to millimeter-wave (MMW) band.

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Section: Introductionmentioning

confidence: 99%