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B7920 Datasheet(PDF) 7 Page - EPCOS |
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B7920 Datasheet(HTML) 7 Page - EPCOS |
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7 / 15 page ![]() 7 January 7, 2011 B7920 1437.90 / 1485.90 MHz SAW Components SAW Duplexer Data sheet Please read cautions and warnings and important notes at the end of this document. Characteristics Temperature range for specification: T = –20 ˚C to +85 ˚C Antenna terminating impedance: ZANT=50 Ω || 5.6 nH RX terminating impedance: ZRX = 100Ω TX terminating impedance: ZTX =50 Ω Characterisitcs ANT - RX min. typ. @ 25 ˚C max. Attenuation α 1 ... 1381 MHz 30 64 dB 1381 ... 1429 MHz 40 55 dB 1427.9 ... 1447.9 MHz 45 55 dB 1453 ... 1462 MHz 5 23 dB 1516 ... 1560 MHz 3 dB 1560 ... 6000 MHz 30 43 dB IMD Product Level Limits1) 1) IMD product level limits for power levels Pf1=21.5dB (antenna port output power) and Pf2=- 15dBm (antenna port input power). at f1=1437.9 MHz f2 = 48 MHz -130 -106 dBm f2 = 2*f1 + 48MHz -122 -106 dBm f2 = f1 - 48MHz -111 -106 dBm f2 = 3*f1 + 48MHz -130 -106 dBm |
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