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L-Band 180 degree passive phase shifter employing auto-tranformer in an SOS process

In English

Författare

  • Robabeh Amirkhanzadeh
  • Henrik Sjöland
  • Jean-Michel Redoute
  • Dan Nobbe
  • Mike Faulkner

Summary, in English

In this paper, we present a new topology to implement a passive 180° phase shifter using on-chip auto-transformer in an SOS process. The measured results indicate a phase variation of less than 2° over the frequency range of 1.8-2.4GHz. An insertion loss of 2.3dB was measured at 2.1GHz. The phase shifter has a small footprint of 0.3 × 0.7mm2, which is almost three times less than a traditional high-pass/low-pass design. Post-layout simulations indicate similar performance in terms of bandwidth, phase accuracy and insertion loss for both circuits. Stacked switches are used to increase the power handling to +20dBm.

Publiceringsår

2014

Språk

Engelska

Sidor

333-336

Publikation/Tidskrift/Serie

Proc. of International Symposium on Circuits and systems (ISCAS)

Dokumenttyp

Konferensbidrag

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Conference name

IEEE International Symposium on Circuits and Systems (ISCAS), 2014

Conference date

2014-06-01 - 2014-06-05

Conference place

Melbourne, Australia

Status

Published

Forskningsgrupp

  • Analog RF

ISBN/ISSN/Övrigt

  • ISBN: 978-1-4799-3431-7