Design of Optimum Acoustic Surface Wave Delay Lines at Microwave Frequencies (Short Papers)

Design of Optimum Acoustic Surface Wave Delay Lines at Microwave Frequencies (Short Papers)

Optimum procedures for designing microwave acoustic surface wave delay lines are given. Combined beam steering fraction loss curves are provided as a function of the basic material parameter, the slope of the power flow angle, to allow optimum choice of material for a given application. Methods for...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1974-04, Vol.22 (4), p.458-462
Hauptverfasser: Slobodnik, A.J., Szabo, T.L.
Format: Artikel
Sprache:eng
Schlagworte:
Acoustic transducers
Beam steering
Delay lines
Design methodology
Diffraction
Fingers
Load flow
Microwave frequencies
Parasitic capacitance
Surface acoustic waves
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Zusammenfassung:Optimum procedures for designing microwave acoustic surface wave delay lines are given. Combined beam steering fraction loss curves are provided as a function of the basic material parameter, the slope of the power flow angle, to allow optimum choice of material for a given application. Methods for designing uniform periodic interdigital transducers including finger ohmic loss, lossy tuning elements, and parasitic capacitance have been extended to account for beam steering and diffraction.
ISSN:0018-9480
1557-9670
DOI:10.1109/TMTT.1974.1128251