SPECTRUM SHAPING SAW FILTERS FOR HIGH-BIT-RATE DIGITAL RADIO

被引：6

作者：

GANSSPUCHSTEIN, R ^{[1
]}

RUPPEL, C ^{[1
]}

STOCKER, HR ^{[1
]}

机构：

[1] SIEMENS AG,SAW RES LAB,D-8000 MUNICH 83,FED REP GER

来源：

IEEE TRANSACTIONS ON ULTRASONICS FERROELECTRICS AND FREQUENCY CONTROL | 1988年 / 35卷 / 06期

关键词：

Digital Communication Systems - Mathematical Techniques--Transfer Functions - Modems - Probability - Radio Interference--Crosstalk;

D O I：

10.1109/58.9323

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

The structure of a QAM radio system is explained. Some novel designs that demonstrate the current status of spectral shaping SAW (surface acoustic wave) filters are presented. Compensation of second-order effects is discussed. Experimental results for a filter for a 140-Mb/s 16 QAM cochannel system with a roll-off factor of 0.19 are shown. Two other examples of filters for a 140-Mb/s, 64 QAM system with a 35% relative bandwidth are also presented.

引用

页码：673 / 684

页数：12

共 15 条

[1] Baccetti B., 1986, European Conference on Radio-Relay Systems: ECRR, P344
[2] Baghai-Wadji A. R., 1986, IEEE 1986 Ultrasonics Symposium Proceedings (Cat. No.86CH2375-4), P23
[3] Biester M., 1986, European Conference on Radio-Relay Systems: ECRR, P143
[4] BULST WE, 1987, 10 TELC REP, P247
[5] ELEMENT FACTOR FOR PERIODIC TRANSDUCERS
DATTA, S
HUNSINGER, BJ
[J]. IEEE TRANSACTIONS ON SONICS AND ULTRASONICS, 1980, 27 (01): : 42 - 44
[6] Davey L. J., 1986, European Conference on Radio-Relay Systems: ECRR, P392
[7] EHRMANNFALKENAU E, 1983, IEEE ULTRASON S P, P17
[8] PLANE ULTRASONIC TRANSDUCER DIFFRACTION FIELDS IN HIGHLY ANISOTROPIC CRYSTALS
KHARUSI, MS
FARNELL, GW
[J]. JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 1970, 48 (03) : 665 - &
[9] MADER W, 1982, IEEE ULTRASON S P, P23
[10] Manner O., 1984, IEEE 1984 Ultrasonics Symposium Proceedings (Cat. No. 84CH2112-1), P77, DOI 10.1109/ULTSYM.1984.198267

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