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データシートサーチシステム |
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データシートサーチシステム |
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B4231 データシート(PDF) 3 Page - EPCOS |
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B4231 データシート(HTML) 3 Page - EPCOS |
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3 / 12 page  3 Apr 10, 2006 B4231 860.5 / 938.0 MHz SAW Components SAW Rx 2in1 Filter Preliminary Data Please read cautions and warnings and important notes at the end of this document. Characteristics of Filter 1 Operating temperature range: T = -30 ... +70 ˚C Terminating source impedance: ZS =50 Ω Terminating load impedance: ZL =50 Ω B4231 1) 1) Values in columns min, typ and max indicate the development status of the current version. DGL 2) 2) Values in column DesignGoal (DGL) indicate the target performance. 3) 2.5 dB max at 25 ˚C. min. typ. @25 ˚C max. min./ max. Center frequency fC — 860.5 — MHz Maximum insertion attenuation α max 851.0 ... 870.0 MHz — 2.1 3.0 3) dB Amplitude ripple (p-p) ∆α 851.0 ... 870.0 MHz — 0.6 1.0 dB Group delay ripple (p-p) ∆τ 851.0 ... 870.0 MHz — 12 50 ns Input return loss 851.0 ... 870.0 MHz 12.0 14.0 — dB Output return loss 851.0 ... 870.0 MHz 12.0 13.5 — dB Attenuation α 0.1 ... 688.0 MHz 50 58 — dB 688.0 ... 705.0 MHz 49 57 — dB 769.0 ... 788.0 MHz 42 51 — dB 806.0 ... 825.0 MHz 25 45 — dB 896.0 ... 902.0 MHz 25 38 — dB 925.0 ... 960.0 MHz 42 51 — dB 1013.0 ... 1036.0 MHz 45 50 — dB 1702.0 ... 1740.0 MHz 33 40 — dB 1740.0 ... 3500.0 MHz 30 35 — dB 3500.0 ... 3600.0 MHz 28 32 — dB 3600.0 ... 4000.0 MHz 20 25 — dB |
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