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B8553 数据表(PDF) 8 Page - EPCOS |
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B8553 数据表(HTML) 8 Page - EPCOS |
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8 / 16 page ![]() 8 April 15, 2011 B8553 836.50 / 881.50 MHz Please read cautions and warnings and important notes at the end of this document. SAW Components SAW Duplexer Preliminary Data Characteristics Temperature range for specification: T = –30 ˚C to +85 ˚C Antenna terminating impedance: ZANT= 50 Ω ll 14 nH RX terminating impedance: ZRX = 100 Ω (balanced) TX terminating impedance: ZTX = 50 Ω Characteristics TX - RX min. typ. @ 25 ˚C max. Isolation 824.0 ... 849.0 MHz 60 67 dB @fCarrier 826.4 ... 846.6 MHz α WCDMA 1) 1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (9). 602) 2) Temperature range for this parameter is -20oC to +85oC. 68 dB 869.0 ... 894.0 MHz 50 54 dB @fCarrier 871.4 ... 891.6 MHz α WCDMA 1) 502) 53 dB 1574.0 ... 1577.0 MHz 40 72 dB 1638.0 ... 1708.0 MHz 20 71 dB 2462.0 ... 2557.0 MHz 20 63 dB Common Mode Isolation 824.0 ... 849.0 MHz 55 60 dB @fCarrier 826.4 ... 846.6 MHz α WCDMA 1) 552) 60 dB |
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