Reformation of WLAN Feeler by Incorporating Varactor Diode with Negative Media Structure

Authors

  • Bimal Garg
  • Ranjeet Pratap Singh Bhadoriya

DOI:

https://doi.org/10.37591/joces.v3i2.292

Abstract

Abstract

In this manuscript, authors proposed a negative media structure with Varactor diode to reform the rectangular microstrip patch antenna parameter to a great extent. Initially basic feeler was designed and simulated, and then parameters were enhanced by implementing negative media structure. It has been observed that negative media is not sufficient to improve the parameters therefore Varactor diode was introduced to get the required improvement. This proposed design of feeler was designed for L band, where operating frequency was 2 GHz. Varactor diode used in this design process was Silicon Diffused Junction Type Varactor Diode (SVC704). Return loss reduced from –11.57 to –35.97 dB, bandwidth increased from 26 to 54.6 MHz i.e., 110%. Efficiency also modified from 43.5 to 78.2%.

 

Keyword: Varactor diode, negative media (metamaterial), permittivity, permeability, bandwidth

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Published

2019-03-30

Issue

Vol. 3 No. 2 (2013)

Section

Articles

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