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| Datasheet File OCR Text: |
| SAW Device SAW Filter for Radio Communication n Features l A low-loss filter. l Compact. l Excellent guaranteed attenuation. For Industrial Use Pb Free n Specifications Model Item Nominal frequency : f0 (MHz) Insertion loss at Fc 1-dB passband width (MHz) 3-dB passband width (MHz) Passband width (rel to Fc) 35-dB passband width (In Band)(MHz) Ripple (@ Fc 10MHz)(dB) Phase linearity (@ Fc 10MHz)(deg) Group delay time ripple (@ Fc 10MHz)(ns) Absolute delay time @ Fc (is) Out Band (rel to Fc) Operating temperature range (C) Terminating impedance () Guaranteed attenuation (dB) @ Fc-20MHz @ Fc+20MHz min. - - 21 23.9 - - - - - 40 33 23 WF748D0140CD typ. 140 - - - - - - - 0.76 - - - 50 (with matching) max. - 11 - - 34 1.0 14 100 - - - 27 n Dimensions mm PAD NO. 5.0 Others 10 5 7.0 Reference land pattern 1.6 2.5 2x1.27 1.27 1.27 1 1.5 10 2 3 4 2.54 1.9 1.5 9-1.0 2.54 5.0 0.8 CONNECTION GND INPUT OUTPUT n Characteristics [In-band characteristics] CH1 A/R LOG MAG REF -9.290 dB 1.000 dB/ CH1 CENTER(MHz) 140.0000 SPAN(MHz) 50.000 10-0.6 1.4 9 8 7 6 5 1.27 7.0 [Out-of-band characteristics] CH1 A/R LOG MAG REF -9.290 dB 10.000 dB/ n Matching Circuit IN C1 10 5 C2 OUT SAW 50 L1 L2 50 CH1 CENTER(MHz) 140.0000 SPAN(MHz) 100.000 sa16_071102_WF748D0140CD_e1 |
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