ISSN 2415-1297 (Online)   ISSN 2415-1300 (Print)
 
             
 
Volume : 26 Issue : 4 Year : 2018
 
New Approaches to Design Digital Phase Shifters over The Complete Phase Plane [Med J Islamic World Acad Sci]
Med J Islamic World Acad Sci. 1991; 4(1): 14-25

New Approaches to Design Digital Phase Shifters over The Complete Phase Plane

Binboga S. Yarman
From STFA Savronik (Defense Electronics) Co. Tophanelioglu Cad. No. 19, Altunizade, Çamlica, Istanbul, Türkiye.

In this theoretical paper, four different circuit configurations are proposed to design 0°-360° wide range, low loss balanced phase shifters. Each configuration utilizes 3 pin diodes. As a consequence of this work, it is straightforward to construct 180° phase shifting cells for multibit phase array antenna systems using 3 pin diodes. Operation of the new circuits is based upon the phase shifting properties of symmetric low/highpass 3-element LC ladders. Assuming the utilization of lossless pin diodes and ideal reactive element, explicit design equations are presented. A numerical method, which includes the diode losses as well as component parasitic, is also described to design practical phase shifters with minimum balanced loss at a given operating frequency. Examples are included to exhibit the use of explicit design formulas and computer simulations are performed to analyze the loss and phase characteristics of the new circuits. It is expected that new configurations will find application in the commercial and especially military large array antenna systems over the EHF band to be implemented as Microwave Monolithic Integrated Circuits (MMIC).

Keywords: Digital phase shifters, Microwave Monolithic Integrated Circuits (MMIC), extra high frequencies (EHF)


Binboga S. Yarman. New Approaches to Design Digital Phase Shifters over The Complete Phase Plane. Med J Islamic World Acad Sci. 1991; 4(1): 14-25

Corresponding Author: Binboga S. Yarman, Türkiye


TOOLS
Full Text PDF
Print
Download citation
RIS
EndNote
BibTex
Medlars
Procite
Reference Manager
Share with email
Share
Send email to author

Similar articles
PubMed
Google Scholar




 











 
Copyright © 2019 medicaljournal-ias.org. All Rights Reserved.