A T-SECTION DUAL-BAND MATCHING NETWORK FOR FREQUENCY-DEPENDENT COMPLEX LOADS INCORPORATING COUPLED LINE WITH DC-BLOCK PROPERTY SUITABLE FOR DUAL-BAND TRANSISTOR AMPLIFIERS | Zendy

Mohammad A. Maktoomi | Zendy; Mohammad Hashmi | Zendy; Fadhel M. Ghannouchi | Zendy

Open Access

A T-SECTION DUAL-BAND MATCHING NETWORK FOR FREQUENCY-DEPENDENT COMPLEX LOADS INCORPORATING COUPLED LINE WITH DC-BLOCK PROPERTY SUITABLE FOR DUAL-BAND TRANSISTOR AMPLIFIERS

Author(s) -

Mohammad A. Maktoomi,

Mohammad Hashmi,

Fadhel M. Ghannouchi

Publication year - 2014

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

ISSN - 1937-8718

DOI - 10.2528/pierc14090403

Subject(s) - multi band device , dual (grammatical number) , amplifier , section (typography) , line (geometry) , block (permutation group theory) , matching (statistics) , property (philosophy) , coupling (piping) , electronic engineering , transistor , computer science , electrical engineering , topology (electrical circuits) , engineering , mathematics , voltage , mechanical engineering , cmos , antenna (radio) , art , philosophy , statistics , geometry , literature , epistemology , operating system

This paper reports design of a new dual-band T-type impedance transformer also exhibiting DC-blocking feature. The design aims at achieving matching for frequency-dependent complex loads having distinct values at two arbitrary frequencies to Zs (here, 50›). A step-wise analysis on the developed dual-band impedance transformer provides simple closed-form design equations. The design is verifled by simulation in Agilent ADS. For experimental veriflcation a PCB prototype is fabricated using FR-4 material, operating at 1.45GHz and 2.61GHz. A good result is obtained conflrming the theory and simulation.

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