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Weigel, Robert ; Bader, Bernhard ; Fischerauer, Gerhard ; Russer, Peter:
Design and performance of wide-band IIDT-type SAW filters with low loss and improved sidelobe suppression.
In:
1993 IEEE MTT-S International Microwave Symposium Digest. -
Piscataway, NJ
: IEEE
,
1993
. - S. 1505-1508
ISBN 0-7803-1209-0
DOI: https://doi.org/10.1109/MWSYM.1993.276855
Abstract
Wideband low-loss surface-acoustic-wave (SAW) filters employing interdigitated interdigital transducers (IIDTs) suitable for cellular radio systems are presented. The filters were fabricated on 36 degrees Y-X LiTaO3 substrates. The sidelobe suppression has been improved by withdrawal weighting techniques. A design method which optimizes the weighting functions and the number of fingers has been worked out. In the 500-MHz band, fractional bandwidths of up to 5.2% with passband ripples smaller than 1 dB were attained. Insertion loss and sidelobe suppression were at 1.8 dB and 23 dB, respectively.
Weitere Angaben
| Publikationsform: | Aufsatz in einem Buch |
|---|---|
| Begutachteter Beitrag: | Nein |
| Institutionen der Universität: | Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Mess- und Regeltechnik > Lehrstuhl Mess- und Regeltechnik - Univ.-Prof. Dr.-Ing. Gerhard Fischerauer |
| Titel an der UBT entstanden: | Nein |
| Themengebiete aus DDC: | 600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften |
| Eingestellt am: | 24 Jul 2024 12:08 |
| Letzte Änderung: | 24 Jul 2024 12:08 |
| URI: | https://eref.uni-bayreuth.de/id/eprint/90066 |