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