SAW Device IF SAW Filter for Digital Terrestrial Broadcasting For Industrial Use n Features l A filter with a low-band ripple. l A low group delay ripple. l Excellent steepness characteristics. Pb Free n Specifications Model WF555E0037KB Item min. typ. Nominal frequency : f0 (MHz) max. 37.15 Minimal insertion loss (f0)(dB) – 31.1 34 Ripple (f0±2.8 MHz)(dB) – 0.25 0.5 38 – Guaranteed attenuation f0±3.2 to +15 MHz 32 Operating temperature range (°C) –10 to +70 Terminating impedance (Ω) 50 n Dimensions n Characteristics [In-band characteristics] mm PAD NO. CONNECTION GND 2 INPUT 7 OUTPUT 0.500 dB/ 6.5±0.5 7.6 max Others CH1 A/R LOG MAG REF –31.510 dB 9–φ0.6±0.05 CH1 CENTER(MHz) 37.1500 SPAN(MHz) 10.000 51.5 max 35.56±0.2 25.4±0.2 [Out-of-band characteristics] 2 3 4 5 9 8 7 6 10.000 dB/ 31.5 max 1 20.32±0.2 CH1 A/R LOG MAG REF –31.510 dB 3–φ2.2 CH1 CENTER(MHz) 37.1500 SPAN(MHz) 30.000 sa19_090126_WF555C0037KB_e