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B7923 Datasheet(PDF) 6 Page - EPCOS

Part # B7923
Description  SAW Duplexer Cellular / WCDMA Band V
PDF  16 Pages
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Manufacturer  EPCOS [EPCOS]
Direct Link  http://www.epcos.com
Logo EPCOS - EPCOS

B7923 Datasheet(HTML) 6 Page - EPCOS

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6
January 26, 2011
B7923
836.50 / 881.50 MHz
Please read cautions and warnings and
important notes at the end of this document.
SAW Components
SAW Duplexer
Data Sheet
Characteristics
Temperature range for specification:
T
= –30 ˚C to +85 ˚C
Antenna terminating impedance:
ZANT=
50
Ω ll 11 nH2)
RX terminating impedance:
ZRX = 100 Ω + 2 nH (balanced) 2)
TX terminating impedance:
ZTX =
50
Ω
Characteristics ANT - RX
min.
typ.
@ 25 ˚C
max.
IMD product level limits1)
at fTX = 836.5 MHz fRX = 881.5 MHz
1) Power levels: 21.5 dBm Tx signal, -15dBm blocker at antenna port.
Blocker 1
45.0
MHz
-135
-106
dBm
Blocker 2
791.5
MHz
-112
-109
dBm
Blocker 3
1718.0
MHz
-92
-89
dBm
Blocker 4
2554.5
MHz
-120
-109
dBm
Attenuation
α
10.0
...
447.0
MHz
45
85
dB
447.0
...
824.0
MHz
30
68
dB
824.0
...
849.0
MHz
55
63
dB
849.0
...
854.0
MHz
10
48
dB
909.0
...
1000.0
MHz
13
25
dB
1000.0
...
1850.0
MHz
28
66
dB
1850.0
...
1920.0
MHz
40
67
dB
1920.0
...
6000.0
MHz
35
632)
2) Please refer to recommended matching circuit on page (9).
dB



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