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Published In

Volume 4 Issue 1
June-2018

 

Paper Id

IJIRCT1801001

 

Page Number

1-5

 

Authors

  1. Atsuwe, B.A
  2. Kureve,D.T

 

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Paper Details

Title

Deviation Tolerance Analysis For Backlink Frequency Of Eight-Order-R Bandpass Filter Using Biquadratic Topology UHF RFID System

Abstract

In this paper, the deviation tolerance for the backlink frequency of 320kHz and 640kHz for eighth-order Active-R bandpass Biquadratic filter to be used for UHF RFID Systems was investigated. The filter was designed with center frequencies of F_o=320 kHz and F_o=640 kHz at a quality factor of Q=30. The simulated response characteristics show that both filters have their mid band gains decreasing with each section (stage), in the range of −0.191dB to −3.673dB for F_o=320 kHz while F_o=640 kHz had from −1.433dB to −8.820dB. The bandwidths also decreased monotonically from 8.820 kHz to 4.478 kHz at F_o=320 kHz and 16.206 kHz to 8.820 kHz at F_o=640 kHz. Results also showed that there was a very slight shift from the center frequency with deviation ranging from −0.938% to −1.116% at F_o=320 kHz and −0.969% to −0.936% at F_o=640 kHz. From the results, the filter frequency deviation is within that specified by EPC Standard of ±22%. Therefore, the filter can be used for UHFRFID Systems.

Key Words

Deviation, Tolerance, Backlink Frequency, Eight-Order, Active-R Filter, Bandpass, UHF, RFID

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Citation

Atsuwe, B.A, Kureve,D.T, "Deviation Tolerance Analysis For Backlink Frequency Of Eight-Order-R Bandpass Filter Using Biquadratic Topology UHF RFID System", IJIRCT, Volume 4, Issue 1, Pages 1-5, June-2018, https://www.ijirct.org/viewPaper.php?paperId=IJIRCT1801001

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