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B7901 датащи(PDF) 3 Page - EPCOS |
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B7901 датащи(HTML) 3 Page - EPCOS |
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3 / 9 page ![]() 3 May 10, 2006 B7901 1855.0 MHz SAW Components SAW Rx Filter Data Sheet Please read cautions and warnings and important notes at the end of this document. Characteristics Temperature range for specification: T = –30 ˚C to +85 ˚C Terminating source impedance: ZS =50 Ω Terminating load impedance: ZL = 100 Ω (balanced) min. typ. @ 25˚C max. Center frequency fC — 1855.0 — MHz Maximum insertion attenuation α max 1840.0 ... 1870.0 MHz — 1.6 2.41) 1) 2.2 dB max. at 25 ˚C dB Amplitude ripple (p-p) ∆α 1840.0 ... 1870.0 MHz — 0.3 0.8 dB Input VSWR 1840.0 ... 1870.0 MHz — 1.4 1.8 Output VSWR 1840.0 ... 1870.0 MHz — 1.5 1.9 Output amplitude balance (|S31/S21|) 1840.0 ... 1870.0 MHz –1.0 -0.3/0.3 1.0 dB Output phase balance ( φ(S 31)−φ(S21)+180˚) 1840.0 ... 1870.0 MHz –10 -5/+5 10 ˚ Attenuation α 10.0 ... 1750.0 MHz 42 49 — dB 1750.0 ... 1780.0 MHz 37 40 — dB 1930.0 ... 1975.0 MHz 28 32 — dB 1975.0 ... 2020.0 MHz 36 42 — dB 2020.0 ... 2100.0 MHz 40 46 — dB 2100.0 ... 2500.0 MHz 45 49 — dB 2500.0 ... 2650.0 MHz 42 45 — dB 2650.0 ... 4000.0 MHz 45 60 — dB |
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