New high performance SAW convolvers used in high bit rate and wideband spread spectrum CDMA communications system

New surface acoustic wave (SAW) convolver structures with high conversion efficiency and self-temperature compensation characteristics have been developed. Strong piezoelectric substrates, regardless of temperature coefficients of delay (TCD), can be used in these convolvers. New demodulation techni...

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Veröffentlicht in:	IEEE transactions on ultrasonics, ferroelectrics, and frequency control ferroelectrics, and frequency control, 2000-01, Vol.47 (1), p.233-241
Hauptverfasser:	Hikita, M., Takubo, C., Asai, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic wave devices, piezoelectric and piezoresistive devices Acoustic waves Applied sciences Binary phase shift keying Bit rate Circuit properties Code division multiple access Conversion Convolvers Delay Demodulation Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Microwave circuits, microwave integrated circuits, microwave transmission lines, submillimeter wave circuits Multiaccess communication Piezoelectricity Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Spreads Surface acoustic waves Temperature Wideband
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