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A Custom Digital Intermediate Frequency Filter for the American Mobile Telephone System

In English

Författare

  • Peter Nilsson
  • Mats Torkelson

Summary, in English

A digital filter for intermediate frequency filtering in mobile communication systems is presented. The purpose of the work is to show an alternative to the analog filters which are used in most of today's heterodyne receivers. Bit-serial arithmetic is applied on a twelfth-order wave digital lattice filter algorithm. The paper also shows a method for retiming such algorithms. The power consumption in two fabricated prototypes is compared. By customizing the library cells, the power consumption has been reduced significantly. In the low power prototype, the power dissipation is 8 mW using 3 V supply voltage. The prototype is a 10 MIPS design fabricated in a 0.8-μm standard two-metal-layer CMOS process

Publiceringsår

1997

Språk

Engelska

Sidor

806-815

Publikation/Tidskrift/Serie

IEEE Journal of Solid-State Circuits

Volym

32

Issue

6

Dokumenttyp

Artikel i tidskrift

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Nyckelord

  • lattice filters
  • land mobile radio
  • integrated circuit layout
  • band-pass filters
  • application specific integrated circuits
  • digital arithmetic
  • CMOS digital integrated circuits
  • timing
  • wave digital filters

Status

Published

Forskningsgrupp

  • Elektronikkonstruktion

ISBN/ISSN/Övrigt

  • ISSN: 0018-9200