5 GHZ monolithic CMOS transmitter and antenna for short-range communications

Atif Shamim*, M. Arsalan, L. Roy

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

1 Scopus citations

Abstract

A monolithically integrated Voltage Controlled Oscillator (VCO) transmitter (TX) for radiation sensor wireless readout is presented. The design is very well suited to wireless transmission of radiation sensor data in radiotherapy and to Extra Vehicular Activity Radiation Monitoring (EVARM) in space. The TX includes an on-chip loop antenna which also acts as the inductor for the VCO resonant tank circuit. The antenna dimensions of 0.5 mm2 are the smallest reported for an active antenna in the 5 GHz band. The VCO circuit is placed inside the loop antenna to optimize chip space. The complete TX chip size is only 1.5 mm2. The TX device consumes 3.3 mW of power and delivers -0.9 dBm of radiated power, sufficient to communicate with a low noise receiver connected to an off-chip patch antenna placed 1.38 m away.

Original languageEnglish (US)
Title of host publication2nd European Conference on Antennas and Propagation, EuCAP 2007
Edition11961
DOIs
StatePublished - Dec 1 2007
Event2nd European Conference on Antennas and Propagation, EuCAP 2007 - Edinburgh, United Kingdom
Duration: Nov 11 2007Nov 16 2007

Publication series

NameIET Seminar Digest
Number11961
Volume2007

Other

Other2nd European Conference on Antennas and Propagation, EuCAP 2007
CountryUnited Kingdom
CityEdinburgh
Period11/11/0711/16/07

Keywords

  • Integrated transmitter
  • On-chip antenna
  • Wireless dosimeter readout

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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