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Characterization of CMOS Impedance Tuning Unit

In English

Författare

Summary, in English

The use of reconfigurable matching has become more and more desirable as mismatches between such interfaces as antenna and receiver increase. The present paper investigates reconfigurable matching by measurements of a CMOS Impedance Tuning Unit (ITU) designed for Digital Video Broadcasting for Handheld devices (DVB-H). The ITU consists of switched capacitors arranged in three capacitor banks, with inductors between them, thus creating a reconfigurable ladder matching network. It is demonstrated that any mismatch up to VSWR = 8 can be transformed to a mismatch better than VSWR = 2, that IIP2 = 7 dBm and IIP3 = 0.5 dBm, and that loss is 2.1 dB.

Publiceringsår

2007

Språk

Engelska

Sidor

79-87

Publikation/Tidskrift/Serie

Analog Integrated Circuits and Signal Processing

Volym

52

Issue

3

Dokumenttyp

Artikel i tidskrift

Förlag

Springer

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • reconfigurable matching
  • ATU
  • impedance matching
  • DVB-H
  • ITU

Status

Published

ISBN/ISSN/Övrigt

  • ISSN: 0925-1030