NDLI: Analysis of multi-port amplifier calibration for optimal magnitude and phase error detection

Content Provider	IET Digital Library
Author	Lee, Han Lim Lee, Moon Que Yu, Jong Won
Abstract	This study presents theoretical analysis and verification on optimal hardware platform for calibration of signal manipulation in multi-port amplifier (MPA). Since MPA output power and isolation characteristics are strongly dependent on magnitude and relative phase balances in each array path of MPA, proper calibration technique is necessary for ideal MPA operation. Although variety of calibration methods can be considered, they can be classified into two methods from the calibration signal detection based on hardware platform point of view. That is, calibration signals for each array path in MPA can be sampled and detected before output hybrid matrix (OHM) or after OHM according to hardware setup. Since optimal signal detection for each array path is the key to ideal MPA calibration and maximised performance, this study theoretically analyses two different calibration hardware platforms detecting calibration signals. Then, the mathematically derived optimal calibration hardware setup for detecting magnitude and phase error is finally verified and concluded by simple simulation and measurement at 900 MHz Industrial, Scientific and Medical-band (902–928 MHz).
Starting Page	102
Ending Page	110
Page Count	9
ISSN	17518725
Volume Number	10
e-ISSN	17518733
Issue Number	Issue 1, Jan (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-map/10/1
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-map.2015.0237
Journal	IET Microwaves, Antennas & Propagation
Publisher Date	2016-01-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Amplifiers Calibration Error Statistics Frequency 900 MHz Frequency 902 MHz to 928 MHz ISM Band Isolation Characteristic Linear Algebra Matrix Algebra MPA Multiport Amplifier Calibration Multiport Network Numerical Analysis OHM Optimal Magnitude Detection Optimal Signal Detection Output Hybrid Matrix Phase Error Detection Phase Estimation Radiofrequency Amplifiers Satellite Communication System Signal Detection Signal Manipulation Statistics
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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