Compact $S$-/$Ka$-Band CMOS Quadrature Hybrids With High Phase Balance Based on Multilayer Transformer Over-Coupling Technique

Chin, Ting-Yueh; Wu, Jen-Chieh; Chang, Sheng-Fuh; Chang, Chia-Chan

doi:10.1109/tmtt.2009.2013289

Cited by 28 publications

(3 citation statements)

References 15 publications

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“…A frequency, ω 0 , could be found with equal amplitude in a high coupling case. However, this ω 0 is less than the ω λ/4 as reported in [35], [36]. Therefore, a coefficient α can be defined The ports IN, THRU, CPL, and ISO are numbered as 1-4, respectively.…”

Section: B Transformer Based Quadrature Generator Analysis With K L A...mentioning

confidence: 92%

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A 32–40 GHz 7-bit Bi-Directional Phase Shifter With 0.36 dB/1.6° RMS Magnitude/Phase Errors for Phased Array Systems

Zhang

Fang

et al. 2022

IEEE Trans. Circuits Syst. I

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Section: B Transformer Based Quadrature Generator Analysis With K L A...mentioning

confidence: 92%

“…However, the I/Q generator requiring a coupling coefficient of 0.707 limits its bandwidth [35]. In [36] and [37], QG has a higher coupling coefficient and compact size, but its design methodology is unclear. Furthermore, the mismatch introduced by the direct connection between QG and VM limits the phase resolution and bandwidth, such as 5-bit PS in [24].…”

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confidence: 99%