SAW Device WFB40B1880CD For Fixed Communication ■ Features ● RF SAW Filter for WCDMA Base Station (Band 2). ● Flat pass-band characteristics. ● Compact and light. ■ Specifications Model WFB40B1880CD Item Nominal frequency : fn (MHz) Passband width min. typ. − 1880 max. − 1850 − 1910 Maximum insertion loss (dB) 1850 to 1910 MHz − 2.0 2.5 In-band ripple (dB) 1850 to 1910 MHz − 0.5 1.6 1850 to 1910 MHz 940 to 1742 MHz Guaranteed attenuation (dB) 1742 to 1810 MH (from the throughlevel) 2199 to 3615 MHz Operating temperature range (°C) − 25 15 22 1.8 39 19 26 −30 to +85 2.4 − − − VSWR Terminating impedance (Ω) 50 ■ Dimensions ■ Characteristics CH1 A/R LOG MAG REF 0.000 dB mm Terminal land connections 3.0±0.2 GND INPUT OUTPUT 1.45 max 3.0±0.2 Others 2 5 5.000 dB/ CH1 1.15 ■ Matching Circuit 1.15 1.5 2 6 5 4 50Ω 0.8 0.7 5 SAW 2.0 12–(0.10) 4.0 1.5±0.15 3 5–0.85±0.15 6–0.6±0.15 2 SPAN(MHz) 1000 Land pattern (Typical) 2–1.6±0.15 1 CENTER(MHz) 1880 4.3nH 13nH 50Ω 0.8 - 41 - 12A_0903_WFB40B1880CD_e