SAW Device WFB40J1740CD For Fixed Communication ■ Features ● RF SAW Filter for WCDMA Base Station (Band 10). ● Flat pass-band characteristics. ● Compact and light. ■ Specifications Model WFB40J1740CD Item Nominal frequency : fn (MHz) Passband width min. typ. − 1740 max. − 1710 − 1770 Maximum insertion loss (dB) 1710 to 1770 MHz − 1.6 2.8 In-band ripple (dB) 1710 to 1770 MHz − 0.4 1.8 1710 to 1770 MHz 100 to 1610 MHz Guaranteed attenuation (dB) 1610 to 1690 MHz (from the throughlevel) 1910 to 2170 MHz Operating temperature range (°C) − 30 20 20 1.8 36 32 32 −30 to +85 2.2 − − − 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) 1740 8.2nH 24nH 50Ω 0.8 - 47 - 12A_0903_WFB40J1740CD_e