A 180° tunable analog phase shifter based on a single all-pass unit cell - Université de Bretagne Occidentale Access content directly
Journal Articles Microwave and Optical Technology Letters Year : 2013

A 180° tunable analog phase shifter based on a single all-pass unit cell

Khaled Khoder
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André Pérennec
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Marc Le Roy
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Abstract

This article describes an analog phase shifter able to provide a continuously tunable phase shift up to 180 by using a single allpass unit cell. The proposed topology is compact and easy to implement, and brings an interesting compromise between phase variation, insertion and return losses. Indeed, for a 7.5:1 tuning ratio of varactor capacitance, a phase shift variation of more than 186 is obtained from 6 to 7GHz with a maximum insertion loss of 1.8 dB. The 105 /dB resulting Figure-of-Merit is thus among the best in distributed approaches with varactors.
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Dates and versions

hal-00867023 , version 1 (27-09-2013)

Identifiers

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Khaled Khoder, André Pérennec, Marc Le Roy. A 180° tunable analog phase shifter based on a single all-pass unit cell. Microwave and Optical Technology Letters, 2013, 55 (12), pp.2915-2918. ⟨10.1002/mop.27955⟩. ⟨hal-00867023⟩
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