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B4221 Datasheet(PDF) 5 Page - EPCOS |
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B4221 Datasheet(HTML) 5 Page - EPCOS |
5 / 9 page 5 May 16, 2002 SAW Components B4221 942,5 / 1842,5 MHz Low-Loss Dual Band Filter for Mobile Communication Preliminary Data Characteristics Filter 2 ( PCN ) Operating temperature range: T = 25 ± 2˚C Terminating source impedance: ZS = 50 Ω Terminating load impedance: ZL = 50 Ω min. typ. max. Center frequency fc — 1842,5 — MHz Maximum insertion attenuation α max 1805,0 ...1815,0 MHz — 3,0 3,5 dB 1815,0 ...1870,0 MHz — 2,5 3,3 dB 1870,0 ...1880,0 MHz — 3,0 3,5 dB Amplitude ripple (p-p) ∆α 1805,0 ...1880,0 MHz — 1,5 1,9 dB Input VSWR 1805,0 ...1880,0 MHz — 1,8 2,1 Output VSWR 1805,0 ...1880,0 MHz — 1,8 2,1 Attenuation α min 0,0 ...1480,0 MHz 37 40 — dB 1480,0 ...1710,0 MHz 25 35 — dB 1710,0 ...1765,0 MHz 16 24 — dB 1765,0 ...1785,0 MHz 11 19 — dB 1907,0 ...1914,0 MHz 11 22 — dB 1914,0 ...1980,0 MHz 16 23 — dB 1980,0 ...3000,0 MHz 22 26 — dB 3000,0 ...3400,0 MHz 20 29 — dB 3400,0 ...4000,0 MHz 18 24 — dB 4000,0 ...5000,0 MHz 12 19 — dB 5000,0 ...6000,0 MHz 8 12 — dB Input reflection coefficient @ 947,5 MHz Phase -150 -140 -130 ˚ |
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