MODULAR 2-DIMENSIONAL ANALYSIS OF SAW FILTERS .2. ANALYSIS AND COMPENSATION RESULTS

Physical effects causing distortions of the transfer function of a broadband (36% fractional bandwidth) spectrum shaping filter for digital radio with 16 quadrature amplitude modulation (QAM) are analyzed separately and connected with the modular two-dimensional (2-D) model described in Part I of th...

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Bibliographic Details
Published in:IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 1992-01, Vol.39 (1), p.73-81
Main Authors: VISINTINI, G, KAPPACHER, C, RUPPEL, CCW
Format: Article
Language:English
Subjects:
Acoustics
Engineering
Engineering, Electrical & Electronic
Science & Technology
Technology
Online Access:Get full text
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Summary:Physical effects causing distortions of the transfer function of a broadband (36% fractional bandwidth) spectrum shaping filter for digital radio with 16 quadrature amplitude modulation (QAM) are analyzed separately and connected with the modular two-dimensional (2-D) model described in Part I of the paper demonstrating the importance of every single effect. A compensation of the second-order effects is performed yielding an agreement between simulation and measurement in amplitude and phase of more than +/- 0.1 dB and +/- 1-degrees all over the passband. The stopband is also predicted with high accuracy.
ISSN:0885-3010
DOI:10.1109/58.166813