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B4224 Datasheet(PDF) 4 Page - EPCOS |
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B4224 Datasheet(HTML) 4 Page - EPCOS |
4 / 8 page 4 May 07, 2002 SAW Components B4224 836,5 / 881,5 MHz Low-Loss Filter for Mobile Communication Preliminary Data Sheet Characteristics Reference temperature T = −20 to 85 ˚C ANT terminating impedance ZANT =50 Ω RX terminating impedance ZRX =50 Ω TX terminating impedance ZTX =50 Ω 1) for temperatures between 0˚C and 85˚C an isolation of 54 dB is guaranteed Characteristics TX - ANT min. typ. max. Center frequency fc — 836,5 — MHz Maximum insertion attenuation α max 824,00 ... 849,00 MHz — 2,2 2,5 dB Amplitude ripple (p-p) ∆α 824,00 ... 849,00 MHz — 0,7 1,0 dB Return loss 824,00 ... 849,00 MHz — 9,0 8,7 dB Attenuation α 779,00 ... 804,00 MHz 21 29 — dB 869,00 ... 894,00 MHz 45 45 — dB 1648,00 ... 1698,00 MHz 30 38 — dB 2472,00 ... 2547,00 MHz 20 28 — dB Characteristics ANT - RX min. typ. max. Center frequency fc — 881,5 — MHz Maximum insertion attenuation α max 869,00 ... 894,00 MHz — 3,4 3,9 dB Amplitude ripple (p-p) ∆α 869,00 ... 894,00 MHz — 1,5 2,0 dB Return loss 869,00 ... 894,00 MHz — 12,5 12 dB Attenuation α 779,00 ... 804,00 MHz 35 38 — dB 824,00 ... 849,00 MHz 53 54 — dB 979,00 ... 1700,00 MHz 38 39 — dB 1700,00 ... 3000,00 MHz 25 36 — dB Characteristics TX - RX min. typ. max. Isolation between TX and RX path α 824,00 ... 849,00 MHz 53 1) 54 — dB 869,00 ... 894,00 MHz 45 46 — dB |
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