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B7678 Datasheet(PDF) 4 Page - EPCOS |
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B7678 Datasheet(HTML) 4 Page - EPCOS |
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4 / 11 page ![]() 4 January 24, 2011 B7678 782.0 / 752.0 MHz Please read cautions and warnings and important notes at the end of this document. SAW Components SAW Duplexer DataSheet 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 ANT - RX min. typ. @ 25 ˚C max. Center frequency fC 751.0 MHz Maximum insertion attenuation 746.0 ... 756.0 MHz α — 2.1 2.6 dB Amplitude ripple (p-p) 746.0 ... 756.0 MHz ∆α — 0.5 1.2 dB Input VSWR (ANT port) 746.0 ... 756.0 MHz — 1.6 2.0 Output VSWR (RX port) 746.0 ... 756.0 MHz — 1.6 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 39 — dB 698.0 ... 716.0 MHz 35 40 — dB 716.0 ... 722.0 MHz 35 43 — dB 777.0 ... 787.0 MHz 51 59 — dB 788.0 ... 818.0 MHz 35 42 — dB 824.0 ... 849.0 MHz 30 40 — dB 1492.0 ... 1543.0 MHz 32 38 — dB 1554.0 ... 1574.0 MHz 35 38 — dB 1574.0 ... 1577.0 MHz 35 38 — dB 1710.0 ... 1770.0 MHz 35 39 — dB 1920.0 ... 1980.0 MHz 35 39 — dB 2200.0 ... 2690.0 MHz 35 38 — dB 2690.0 ... 3800.0 MHz 25 30 — dB 5150.0 ... 5850.0 MHz 5 11 — dB |
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