SAW Components
SAW Duplexer
Cellular / WCDMA Band V
Series/type:
Ordering code:
Date:
Version:
B7923
B39881B7923P810
January 26, 2011
2.0
©
EPCOS AG 2011. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
SAW Duplexer
Data Sheet
Application
s
Multimode SAW duplexer for mobile telephone
B7923
836.50 / 881.50 MHz
s
s
s
s
s
Cellular\WCDMA Band V, Band VI (830-840 MHz)
and Band IXX (830-845 MHz) systems
Low insertion attenuation
Low amplitude ripple
High Tx band isolation
Single ended to balanced transformation
in Antenna - Rx path
Impedance transformation 50Ω to 100Ω
in Antenna - Rx path
Features
Component size 2.5 x 2.0 mm
2
Component height 0.68 mm max.
RoHS compatible
Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Electrostatic Sensitive Device
(ESD)
s
Moisture Sensitivity Level
3
s
s
s
s
0.55
5
6
9
3 2
1
7
0.4
0.4
bottom view
4
0.3
0.9
0.68
0.4
side view
top view
2.5
Pin configuration
s
s
s
s
1
2.0
8
3
3
1, 8
6
2, 4, 5, 7, 9
TX Input
RX Output (balanced)
Antenna
To be grounded
8
2,7
4,5,9
6
Please read
cautions and warnings and
important notes
at the end of this document.
2
January 26, 2011
SAW Components
SAW Duplexer
Data Sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
RX terminating impedance:
TX terminating impedance:
Characteristics TX - ANT
Center frequency
Maximum insertion attenuation
824.0 ... 849.0
@f
Carrier
826.4
Amplitude ripple
824.0
@f
Carrier
826.4
...
...
...
846.6
849.0
846.6
846.6
849.0
f
C
α
max
MHz
MHz
α
WCDMA1)
∆α
MHz
MHz
α
WCDMA1)
MHz EVM
3)
MHz
MHz
54545
4)
1)
2)
3)
4)
B7923
836.50 / 881.50 MHz
T = –30 ˚C to +85 ˚C
Z
ANT
= 50
Ω
ll 11 nH
4)
Z
RX
= 100
Ω
+ 2 nH (balanced)
4)
Z
TX
=
50
Ω
min.
typ.
@ 25 ˚C
836.5
max.
MHz
1.7
1.4
0.8
0.4
2.5
2.0
1.8
2.4
2.0
2)
1.4
0.9
2)
3.2
2)
2.3
2.2
dB
dB
dB
dB
%
Error Vector Magnitude
@f
Carrier
826.4 ...
Input VSWR (TX port)
824.0 ...
Output VSWR (ANT port)
824.0 ... 849.0
Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (8).
Temperature range for this parameter is -20
o
C to +85
o
C.
Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
Please refer to recommended matching circuit on page (9).
Please read
cautions and warnings and
important notes
at the end of this document.
3
January 26, 2011
SAW Components
SAW Duplexer
Data Sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
RX terminating impedance:
TX terminating impedance:
Characteristics TX - ANT
Absolute attenuation
10.0
...
420.0
...
494.0
...
701.0
...
728.0
...
764.0
...
860.0
...
869.0
...
1565.42
...
1573.374 ...
1577.466 ...
1597.5515 ...
1638.0
...
1844.9
...
1884.5
...
1930.0
...
2110.0
...
2400.0
...
3286.0
...
4110.0
...
4934.0
...
5725.0
...
1)
B7923
836.50 / 881.50 MHz
T = –30 ˚C to +85 ˚C
Z
ANT
= 50
Ω
ll 11 nH
1)
Z
RX
= 100
Ω
+ 2 nH (balanced)
1)
Z
TX
=
50
Ω
min.
α
typ.
@ 25 ˚C
48
45
42
43
44
40
22
56
49
49
49
48
45
42
41
40
38
34
30
26
25
14
max.
420.0
494.0
701.0
728.0
764.0
804.0
869.0
894.0
1573.374
1577.466
1585.42
1605.886
1708.0
1879.9
1919.6
1990.0
2170.0
2557.0
3406.0
4255.0
5350.0
5953.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
a
1)
30
40
30
35
40
30
3
44
35
40
35
40
20
30
30
35
33
30
20
20
10
7
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Please refer to recommended matching circuit on page (9).
Please read
cautions and warnings and
important notes
at the end of this document.
4
January 26, 2011
SAW Components
SAW Duplexer
Data Sheet
Characteristics
Temperature range for specification:
Antenna terminating impedance:
RX terminating impedance:
TX terminating impedance:
Characteristics ANT - RX
Center frequency
Maximum insertion attenuation
869.0 ... 894.0
@f
Carrier
871.4
...
891.6
894.0
891.6
894.0
894.0
Amplitude ripple
(p-p)
869.0 ...
@f
Carrier
871.4
...
Input VSWR (ANT port)
869.0 ...
Output VSWR (RX port)
869.0 ...
f
C
α
max
MHz
MHz
α
WCDMA1)
∆α
MHz
MHz
α
WCDMA1)
MHz
MHz
MHz CMRR
23
3)
1.8
1.8
0.7
0.5
1.7
1.9
35
2.7
2.4
2)
1.5
1.0
2)
2.2
2.3
a
4)
dB
dB
dB
dB
dB
T = –30 ˚C to +85 ˚C
Z
ANT
= 50
Ω
ll 11 nH
4)
Z
RX
= 100
Ω
+ 2 nH (balanced)
4)
Z
TX
=
50
Ω
min.
typ.
@ 25 ˚C
881.5
max.
MHz
B7923
836.50 / 881.50 MHz
Common mode rejection ratio
869.0 ... 894.0
1)
2)
3)
4)
Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (8).
Temperature range for this parameter is -20
o
C to +85
o
C.
A combination of 10
o
phase balance and 1 dB amplitude balance corresponds to 19.6 dB CMRR
Please refer to recommended matching circuit on page (9).
Please read
cautions and warnings and
important notes
at the end of this document.
5
January 26, 2011
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