✦ LIBER ✦

Improved technique used in high performance balanced vector modulators design

✍ Scribed by Yang Hou; Lingyun Li; Xiaowei Sun

Publisher: John Wiley and Sons
Year: 2008
Tongue: English
Weight: 310 KB
Volume: 50
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.23682

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✦ Synopsis

Abstract

This article describes and analyses an improved technique for the realization of balanced vector modulators. The analysis focuses on the effect of the Lange coupler characteristic impedance and the pHEMT total gate width on the modulator minimum insertion loss. A method of adjusting these parameters to optimum values is used to reduce the loss and achieve a more symmetrical constellation. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 2325–2328, 2008; Published online in Wiley InterScience (www.interscience.wiley.com).DOI 10.1002/mop.23682

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