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B7923 Datasheet(PDF) 7 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) 7 Page - EPCOS

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7
January 26, 2011
B7923
836.50 / 881.50 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
= –30 ˚C to +85 ˚C
Antenna terminating impedance:
ZANT=
50
Ω ll 11 nH3)
RX terminating impedance:
ZRX = 100 Ω + 2 nH (balanced) 3)
TX terminating impedance:
ZTX =
50
Ω
Characteristics TX - RX
min.
typ.
@ 25 ˚C
max.
Isolation
824.0
...
849.0
MHz
55
63
dB
@fCarrier 826.4 ...
846.6
MHz
α
WCDMA
1)
1) Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (8).
552)
2) Temperature range for this parameter is -20oC to +85oC.
65
dB
869.0
...
894.0
MHz
50
59
dB
@fCarrier 871.4 ...
891.6
MHz
α
WCDMA
1)
50
60
dB
1574.0
... 1577.0
MHz
40
67
dB
1638.0
... 1708.0
MHz
20
66
dB
2462.0
... 2557.0
MHz
20
61
dB
Common Mode Isolation
824.0
...
849.0
MHz
55
65
dB
@fCarrier 826.4 ...
846.6
MHz
α
WCDMA
1)
552)
65
a3)
3) Please refer to recommended matching circuit on page (9).
dB



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