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B7844 Datasheet(PDF) 3 Page - EPCOS |
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B7844 Datasheet(HTML) 3 Page - EPCOS |
3 / 6 page 3 Mar 22, 2004 SAW Components B7844 1842,5 MHz Low-Loss Filter for Mobile Communication Data Sheet Characteristics Operating temperature range: T = 25˚C ± 2 ˚C Terminating source impedance: ZS =50 Ω Terminating load impedance: ZL = 150 Ω || 15 nH (balanced) min. typ. max. Center frequency fC — 1842,5 — MHz Maximum insertion attenuation α max 1805,0 ... 1880,0 MHz — 1,9 2,1 dB Amplitude ripple (p-p) ∆α 1805,0 ... 1880,0 MHz — 0,6 1,0 dB Input VSWR 1805,0 ... 1880,0 MHz — 2,1 2,6 Output VSWR 1805,0 ... 1880,0 MHz — 2,0 2,6 Output amplitude balance (|S31/S21|) 1805,0 ...1880,0 MHz -1,0 -0,5 / +0,5 1,0 dB Output phase balance ( φ(S31)−φ(S21)+180˚) 1805,0 ...1880,0 MHz -10 -1 / +3 10 ˚ Attenuation α 0,0 ... 902,0 MHz 30 50 — dB 902,0 ... 940,0 MHz 45 50 — dB 940,0 ... 1705,0 MHz 28 33 — dB 1705,0 ... 1785,0 MHz 12 16 — dB 1920,0 ... 1980,0 MHz 15 18 — dB 1980,0 ... 2030,0 MHz 24 28 — dB 2030,0 ... 2400,0 MHz 28 32 — dB 2400,0 ... 2500,0 MHz 32 37 — dB 2500,0 ... 2775,0 MHz 27 30 — dB 2775,0 ... 2880,0 MHz 40 47 — dB 2880,0 ... 3610,0 MHz 28 46 — dB 3610,0 ... 3760,0 MHz 40 46 — dB 3760,0 ... 5415,0 MHz 28 47 — dB 5415,0 ... 5640,0 MHz 35 44 — dB 5640,0 ... 6000,0 MHz 28 44 — dB |
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