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B3907 Folha de dados(PDF) 3 Page - EPCOS |
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B3907 Folha de dados(HTML) 3 Page - EPCOS |
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3 / 7 page ![]() 3 April 19, 2010 B3907 447.70 MHz SAW Components SAW RF filter Data sheet Please read cautions and warnings and important notes at the end of this document. Characteristics Temperature range for specification: T = –40 ˚C to +85 ˚C Terminating source impedance: ZS =50Ω Terminating load impedance: ZL =50Ω min. typ. @ 25 ˚C max. Center frequency fC — 447.7 — MHz Maximum insertion attenuation α max 446.90 ... 448.50 MHz — 3.0 3.5 dB Amplitude ripple (p-p) ∆α 446.90 ... 448.50 MHz — 0.4 1.8 dB Input VSWR 446.90 ... 448.50 MHz — 1.3 2.0 Output VSWR 446.90 ... 448.50 MHz — 1.3 2.0 Attenuation α 10.00 ... 393.78 MHz 55 64 — dB 393.78 ... 437.20 MHz 45 52 — dB 437.20 ... 441.20 MHz 28 32 — dB 441.20 ... 443.20 MHz 7 16 — dB 452.20 ... 458.20 MHz 5 14 — dB 458.20 ... 473.78 MHz 30 35 — dB 473.78 ... 1000.00 MHz 46 50 — dB |
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