SAW Components
SAW duplexer
Data sheet
Characteristics
Temperature range for specification:
ANT terminating impedance:
RX terminating impedance:
TX terminating impedance:
T
= –15 ˚C to +80 ˚C
Z
ANT
= 50
Ω ||
9.2 nH
Z
RX
= 50Ω
Z
TX
= 50
Ω +
2.0 nH (series)
*)
B7675
897.5 / 942.5 MHz
*)
Integration of TX coil into a typical PA matching network should be possible without additional elements.
Characteristics TX-ANT
Center frequency
f
C
min.
—
typ.
@ 25˚C
897.50
max.
—
MHz
Maximum insertion attenuation
@f
Carrier
882.4 ... 912.6MHz
α
WCDMA1)
Amplitude ripple
(p-p)
@f
Carrier
882.4 ... 912.6MHz
∆
WCDMA1)
Error Vector Magnitude
@f
Carrier
882.4 ... 912.6MHz EVM
2)
@f
Carrier
882.4 ... 912.6MHz EVM
2)
VSWR
TX port
ANT port
Attenuation
0.3
840.0
@f
Carrier
927.4
960.0
1472.0
1550.0
1760.0
1830.0
2500.0
4000.0
1)
2)
3)
—
—
—
—
1.8
0.9
2.1
2.1
2.7
1.8
5.5
4.2
3)
dB
dB
%
%
880.0
880.0
...
...
...
...
...
...
...
...
...
...
...
...
915.0MHz
915.0MHz
α
840.0MHz
865.0MHz
957.6MHz
α
WCDMA1)
1472.0MHz
1477.0MHz
1600.0MHz
1830.0MHz
2500.0MHz
4000.0MHz
5825.0MHz
—
—
25
30
41
25
25
35
25
25
15
15
1.7
1.6
33
37
47
34
38
40
46
37
27
25
2.1
2.0
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page (6).
Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
T=0
˚C
to +55
˚C
Please read
cautions and warnings and
important notes
at the end of this document.
3
February 12, 2010
EPCOS [ EPCOS ]
