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B7678 Datasheet(PDF) 3 Page - EPCOS |
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B7678 Datasheet(HTML) 3 Page - EPCOS |
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3 / 11 page ![]() 3 January 24, 2011 B7678 782.0 / 752.0 MHz SAW Components SAW Duplexer DataSheet 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 Antenna terminating impedance: ZANT=50 Ω || 18 nH RX terminating impedance: ZRX =50 Ω TX terminating impedance: ZTX =50 Ω Characterisitcs TX - ANT min. typ. @ 25 ˚C max. Center frequency fC 782.0 MHz Maximum insertion attenuation 777.0 ... 787.0 MHz α — 1.9 2.4 dB Amplitude ripple (p-p) 777.0 ... 787.0 MHz ∆α — 0.5 1.3 dB Input VSWR (TX port) 777.0 ... 787.0 MHz — 1.5 2.0 Output VSWR (ANT port) 777.0 ... 787.0 MHz — 1.5 2.0 Attenuation α 10.0 ... 150.0 MHz 40 60 — dB 150.0 ... 350.0 MHz 35 47 — dB 350.0 ... 650.0 MHz 30 42 — dB 728.0 ... 746.0 MHz 35 50 — dB 746.0 ... 756.0 MHz 47 57 — dB 758.0 ... 768.0 MHz 30 32 — dB 808.0 ... 818.0 MHz 30 43 — dB 869.0 ... 894.0 MHz 35 45 — dB 1452.0 ... 1492.0 MHz 35 49 — dB 1554.0 ... 1574.0 MHz 35 50 — dB 1574.0 ... 1577.0 MHz 45 51 — dB 1670.0 ... 1675.0 MHz 35 51 — dB 1930.0 ... 1990.0 MHz 35 50 — dB 2110.0 ... 2170.0 MHz 35 48 — dB 2300.0 ... 2361.0 MHz 30 40 — dB 2361.0 ... 2690.0 MHz 30 41 — dB 3300.0 ... 3800.0 MHz 20 24 — dB 5150.0 ... 5850.0 MHz 5 12 — dB |
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