Wideband Planar Hybrid With Ultralow Amplitude Imbalance
Artikel i vetenskaplig tidskrift, 2017

We present a new design approach for the 90° directional coupler with very low amplitude imbalance. The primary feature of this quadrature coupler is the introduction of a controllable ripple in the operational band for achieving a better overall amplitude balance. This design concept is demonstrated through a 90° branch-line hybrid for the 4–7.9 GHz band (65% fractional bandwidth) using microstrip transmission lines. Our simulations indicate that the amplitude imbalance of the designed hybrid is better than 0.3 dB over the most of the 4–7.9 GHz band with a phase imbalance better than ±8.5°. Experimental verification of the hybrid shows excellent agreement with simulations.

Författare

Hawal Marouf Rashid

Chalmers, Rymd- och geovetenskap, Avancerad mottagarutveckling

Parisa Yadranjee Aghdam

Chalmers, Rymd- och geovetenskap, Avancerad mottagarutveckling

Denis Meledin

Chalmers, Rymd- och geovetenskap, Avancerad mottagarutveckling

Vincent Desmaris

Chalmers, Rymd- och geovetenskap, Avancerad mottagarutveckling

Victor Belitsky

Chalmers, Rymd- och geovetenskap, Avancerad mottagarutveckling

IEEE Microwave and Wireless Components Letters

1531-1309 (ISSN)

Vol. 27 3 230-232 7859487

Fundament

Grundläggande vetenskaper

Infrastruktur

Onsala rymdobservatorium

Ämneskategorier

Elektroteknik och elektronik

Nanoteknik

Annan elektroteknik och elektronik

DOI

10.1109/LMWC.2017.2665547

Mer information

Skapat

2017-10-07