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Sensitivity degradation in a tri-band GSM BiCMOS direct-conversion receiver caused by transient substrate heating

In English

Författare

Summary, in English

An analysis of transient thermal substrate effects impairing the sensitivity of the DCS path in a tri-band GSM/DCS/PCS BiCMOS radio receiver is presented in this paper. A simple thermal model of the substrate is employed, enabling concurrent electrothermal circuit-substrate simulations within a standard analog circuit simulator. Simulation results obtained with this approach match very closely the measured data, and are used to predict the sensitivity of different circuit layout configurations to thermal gradients in the substrate. Following the guidelines suggested by these analyses, a redesigned version of the receiver displays a sensitivity improvement of 2 dB to 4 dB.

Publiceringsår

2008

Språk

Engelska

Sidor

486-496

Publikation/Tidskrift/Serie

IEEE Journal of Solid-State Circuits

Volym

43

Issue

2

Dokumenttyp

Artikel i tidskrift

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Forskningsgrupp

  • Analog RF
  • Data converters & RF

ISBN/ISSN/Övrigt

  • ISSN: 0018-9200