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Communication Dans Un Congrès Année : 2022

A 25-50 GHz Digitally Controlled Phase-Shifter

Résumé

This paper presents the design and the implementation of a phase shifter based on cascaded reflection type phase shifters (RTPS). The RTPSs are based on a 90° hybrid coupler and varactors digitally controlled. By cascading the RTPSs the phase shift range and the bandwidth are increased. To compensate the quality factor variation of the varactor at millimeter-wave frequencies, a simple compensation technique which requires no additional control is used. The proposed 7-bit controlled phase shifter achieves 216° of phase shift range with a fine step of 1.7° and an RMS phase error of 0.3°, the insertion losses are 10.9 dB on average, for a bandwidth of 25-50 GHz.
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Dates et versions

hal-03781139 , version 1 (20-09-2022)

Identifiants

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Steeven Voisin, Vincent Knopik, Eric Kerherve. A 25-50 GHz Digitally Controlled Phase-Shifter. EuMIC 2021 - 2021 16th European Microwave Integrated Circuits Conference, Feb 2022, Londres, United Kingdom. ⟨10.23919/eumic50153.2022.9783836⟩. ⟨hal-03781139⟩
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