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Communication Dans Un Congrès Année : 2022

Wideband mm-Wave Integrated Passive Tuners for Accurate Characterization of BiCMOS Technologies

Résumé

This paper presents an innovative impedance tuner architecture aiming at on-wafer characterization. The proposed impedance tuner is composed of an integrated attenuator, which can be tuned in an analog manner, and a transmission line. Thanks to the use of an external short-circuited probe, the effective length of the transmission line can be modified, leading to a phase shift of the reflection coefficient while the attenuator controls its magnitude. Measurement-based results are presented to prove the precision obtained using the external short-circuited probe, while simulation-based results show the performance of the overall system. The system allows complete coverage of the 140-220 GHz band with 2. 5-4.2dB maximum reflection coefficients and minimum reflection coefficients greater than 20 dB, which can be continuously tuned. On the other hand, thanks to the short-circuited probe, virtually, continuous tuning of the phase is also achievable.
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Dates et versions

hal-03698168 , version 1 (17-06-2022)

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Marc Margalef-Rovira, Caroline Maye, Sylvie Lepilliet, Daniel Gloria, Guillaume Ducournau, et al.. Wideband mm-Wave Integrated Passive Tuners for Accurate Characterization of BiCMOS Technologies. 99th ARFTG Microwave Measurement Conference 2022, colocated with IEEE/MTT-S International Microwave Symposium, IMS 2022, Jun 2022, Denver, United States. ⟨10.1109/ARFTG54656.2022.9896490⟩. ⟨hal-03698168⟩
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