SAW Device SAW Filter for RFID For Industrial Use n Features l A filter with excellent temperature stability. l Compact and light. l High electric power-resistant characteristics. Pb Free n Specifications Model WF893C0953CH Item min. typ. Nominal frequency : f0 (MHz) – 953 – Minimal insertion loss (IL)(dB) – 4.0 5.0 ±1.0 ±1.4 – 3-dB passband width (MHz) In-band ripple max. f0±1MHz (dB) – 0.7 1.0 f0–50MHz to f0–8MHz 30 38 – Guaranteed attenuation (dB) f0–8MHz to f0–3MHz 15 20 – (from the minimal insertion loss) f0+3MHz to f0+25MHz 15 21 – 30 45 – –30 – 60 f0+25MHz to f0+50MHz Operating temperature range (°C) Terminating impedance (Ω) 820//–1.3pF n Dimensions n Characteristics 3.8±0.2 6 7 mm 4 3.8±0.2 8 2 1.1±0.2 INPUT 5 OUTPUT 4.2 1.9 3 1.4 1.4 (0.1) 7 SPAN(MHz) 10.000 CH1 A/R LOG MAG REF –4.000 dB 10.000 dB/ 5 6 0.6±0.2 CENTER(MHz) 953.0000 0.8 4.2 CH1 4 8 1.4 1.8±0.2 GND 1 Reference land pattern 0.9±0.2 2 1 CONNECTION Others 3 0.9±0.2 1.9±0.2 2.000 dB/ 5 PAD NO. 1 CH1 A/R LOG MAG REF –4.000 dB 0.8 1.27±0.2 0.8 1.25 0.8 1.25 n Matching Circuit IN 11nH 1 5 11nH OUT SAW 50Ω 0.5pF 6.5pF 0.5pF 6.5pF 50Ω 2 3 4 6 7 8 CH1 CENTER(MHz) 953.0000 SPAN(MHz) 100.000 sa10_071102_WF893C0953CH_e1