Theoretical and experimental evidence for superior intrinsic Q of STW devices on rotated Y-cut quartz

Author

Kosinski, John A. ; Pastore, Robert ; Avramov, Ivan D.

Author_Institution

US Army CECOM AMSEL-RD, Fort Monmouth, NJ, USA

Volume

2

fYear

1999

fDate

1999

Firstpage

867

Abstract

Several advantages of STW devices are by now well known. These include simultaneous moderately high acoustic velocity and zero temperature coefficient of frequency, along with extremely high power handling capability. In this paper we present theoretical and experimental evidence of an additional advantage of STW devices on quasi-AT-cut quartz: the intrinsic Q of such devices is superior to that of ST-cut SAW devices and AT-cut BAW devices, with the STW having Q×f≈3.25×10¹³ Hz

Keywords

Q-factor; acoustic microwave devices; frequency response; phase noise; surface acoustic wave oscillators; surface acoustic wave resonators; SAW resonators; SiO₂; frequency response; group delay response; high intrinsic Q; low microwave region; low-noise oscillators; phase noise; quasi-AT-cut quartz; rotated Y-cut quartz; single-port device; surface transverse wave devices; two-port device; waveguided pure-shear SSBW mode; Acoustic devices; Bulk acoustic wave devices; Frequency; Gratings; Microwave devices; Microwave technology; Phase noise; Surface acoustic wave devices; Temperature; Viscosity;

fLanguage

English

Publisher

ieee

Conference_Titel

Frequency and Time Forum, 1999 and the IEEE International Frequency Control Symposium, 1999., Proceedings of the 1999 Joint Meeting of the European

Conference_Location

Besancon

ISSN

1075-6787

Print_ISBN

0-7803-5400-1

Type

conf

DOI

10.1109/FREQ.1999.841442

Filename

841442