Broadband Wilkinson power divider based on chebyshev impedance transform method

Year 2018, Volume: 2 Issue: 3, 299 - 303, 15.12.2018

Ömer Kasar Mahmut Ahmet Gözel , Mesud Kahriman

Abstract

Broadband
impedance matching techniques widely used in microwave circuits. In this study,
we proposed a 2-way multi-layer micro strip Wilkinson Power Divider (WPD)
circuit matched by Chebyshev İmpedance matching technique. The design was
chosen at 1 GHz center frequency and as four layers. The design was carried out
as 3 dimensions on Advanced Design tool (ADS 2009) which is 3D microwave circuits’
simulation tool.  For -20 dB return loss
reference level, while the reflection bandwidth was 25% in the basic quarter
wave matched WPD, it could be increased up to 132% in the Chebyshev matching. Additionally,
for the reference power transmission of -4.3 dB, the transmission bandwidth raised
up to %160. In the range, the proposed design could transfer 75% of the input
power to both output ports.

Keywords

Broadband Power transmission , Chebyshev Impedance Transform , Wilkinson power divider

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