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B7955 Datasheet(PDF) 5 Page - EPCOS

Part # B7955
Description  BAW/SAW Duplexer WCDMA Band II (PCS)
PDF  11 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B7955 Datasheet(HTML) 5 Page - EPCOS

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5
February 1, 2010
B7955
1880.0 / 1960.0 MHz
SAW Components
BAW/SAW Duplexer
Data sheet
Please read
cautions and warnings and
important notes at the end of this document.
Characteristics
Temperature range for specification:
T
= –10 ˚C to +85 ˚C
Antenna terminating impedance:
ZANT=50 Ω
RX terminating impedance:
ZRX = 100 Ω (balanced) || 15 nH
TX terminating impedance:
ZTX =50 Ω
Characteristics ANT - RX
min.
typ.
@ 25 ˚C
max.
Common mode suppression
Scs21
1930.0
... 1990.0 MHz
25
30
—
dB
IMD Product Level Limits1)
at fTX=1880MHz, fRX=1960MHz
1) IMD product level limits for power levels P
TX=21dBm (antenna port output power) and
PBlocker=-15dBm (antenna port input power)
Blocker 1
80.0 MHz
—
-118
—
dBm
Blocker 2
1800.0 MHz
—
-108
—
dBm
Blocker 3
3840.0 MHz
—
-100
—
dBm
Characteristics TX - RX
min.
typ.
@ 25 ˚C
max.
Isolation
α
@fCarrier 1852.4 ... 1907.6 MHz
α
WCDMA
1)
1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (6).
53
57
—
dB
@fCarrier 1932.4 ... 1987.6 MHz
α
WCDMA
1)
48
52
—
dB



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