SAW Components
SAW RX filter
WCDMA band VIII / GSM 900
Series/type:
Ordering code:
Date:
Version:
B9461
B39941B9461P810
January 13, 2010
2.0
©
EPCOS AG 2010. 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 RX filter
Data sheet
Application
s
Low-loss RF filter for mobile telephone
B9461
942.5 MHz
s
s
s
s
s
WCDMA Band VIII and GSM 900 systems, receive
path (RX)
Very high TX supression - suitable for diversity appli-
cations
Useable passband: 35 MHz
Unbalanced to balanced operation
Impedance transformation from 50
Ω
to 100
Ω
Suitable for GPRS class 1 to 12
Features
s
s
s
s
s
s
Package size 1.4 x1.1 x 0.4 mm
3
RoHS compatible
Approximate weight 0.003 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Pin configuration
s
1
s
3,4
s
2,5
Input unbalanced
Output balanced
To be grounded
Please read
cautions and warnings and
important notes
at the end of this document.
2
January 13, 2010
SAW Components
SAW RX filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = -20 ˚C to +85 ˚C
Z
S
= 50
Ω
(unbalanced)
Z
L
= 100
Ω
(balanced)
B9461
typ.
@ 25 ˚C
942.5
2.6
2.7
2.8
1.5
3.2
2.0
2.1
23
4)
59
55
52
51
29
51
60
60
53
60
57
B9461
942.5 MHz
min.
Center frequency
Maximum insertion attenuation
@f
Carrier Bd 8 RX
927.4 ... 957.6
@f
Carrier Bd 8 RX
925.7 ... 959.3
925.0 ... 960.0
Amplitude ripple
(p-p)
925.0 ...
960.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
DC
882.4
880.7
880.0
980.0
1045.0
1700.0
2600.0
2682.0
4345.0
4470.0
...
...
...
...
...
...
...
...
...
...
...
880.0
912.6
914.3
915.0
1045.0
1700.0
2600.0
2682.0
4345.0
4470.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
α
WCDMA
1)
α
LTE
2)
α
GSM
40
50
41
35
24
35
40
45
40
45
45
f
C
α
WCDMA
1)
α
LTE
2)
α
GSM
∆α
EVM
—
—
—
—
—
—
—
—
21
max.
—
3.0
3.6
4.0
2.7
6.0
2.2
2.3
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
MHz
dB
dB
dB
dB
%
Error Vector Magnitude
3)
@f
Carrier Bd 8 RX
927.4 ... 957.6
Input VSWR
925.0
Output VSWR
925.0
...
960.0
CMRR
(|S
21
-S
31
| / |S
21
+S
31
|)
925.0 ... 960.0
Attenuation
@f
Carrier Bd 8 TX
@f
Carrier Bd 8 TX
...
960.0
1)
2)
3)
4)
Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation on page 7).
Attenuation of LTE signal (“Powertransferfunction”). Please refer to annotation on page (7).
Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
A CMRR of 22.8 dB corresponds to a phase balance of 5
˚
togeher an amplitude balance of 1.0
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
January 13, 2010
SAW Components
SAW RX filter
Data sheet
Transfer function for WCDMA signals
(Powertransferfunction vs. carrier frequency)
B9461
942.5 MHz
Transfer function for WCDMA signals
(Powertransferfunction vs. carrier frequency)
Please read
cautions and warnings and
important notes
at the end of this document.
4
January 13, 2010
SAW Components
SAW RX filter
Data sheet
Transfer function for CW signals
B9461
942.5 MHz
Transfer function for CW signals
(wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
5
January 13, 2010