SAW Device 51.84-MHz Timing Filter for Optical Communication For Industrial Use n Features A timing filter for optical communication is used for clock extraction in optical fiber communication. l Highly reliable. Pb Free n Specifications Model WF227A Item min. typ. max. 51.833 51.84 51.847 600 900 1000 – 10.5 18.0 5.3 to 50.8MHz 25 30 – 52.88 to 103.6MHz 25 30 – Nominal frequency 3dB (MHz) Q value 3dB Minimal loss (dB) Guaranteed attenuation (dB) Operating temperature range (°C) 0 to +70 Terminating impedance (Ω) 600 n Dimensions n Characteristics [In-band characteristics] mm CONNECTION GND 2 INPUT 4 OUTPUT 0 [1dB/div] 2.9±0.3 Others [50deg/div] PAD NO. 17.2 15.2±0.3 51.84MHz 5.0±0.3 4 0 3×2.54 = 7.62 [5dB/div] 3 G G 8 G G G 1.9 G [Out-of-band characteristics] 0.7 2G 1G 18 1.9 1.27 0.5 7.0 1.27 200kHz span Reference land pattern 2.54 2.54 2.54 51.84MHz 2.5MHz span sa25_071102_WF227A_e1