SAW Components
SAW Rx Filter
WCDMA Band I / Band IV / Band X
Series/Type:
Ordering code:
Date:
Version:
B9451
B39212B9451P810
April 07, 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 Filter
Data sheet
Application
s
Low-loss RF filter for mobile telephone
s
s
s
s
s
s
s
s
B9451
2140.0 MHz
WCDMA systems, receive path (RX)
Useable for antenna diversity systems
for WCDMA band I, IV, X
Impedance 50
Ω
Unbalanced to unbalanced operation
Very low insertion attenuation
Very low amplitude ripple
Very low Error Vector Magnitude (EVM)
Very high Tx suppression for WCDMA
band I, II, IV, V, X
Usable passband 60 MHz
Package size 1.4 x 1.1 x 0.4
Approx. weight 0.003 g
RoHS compatible
Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Electrostatic Sensitive Device
(ESD)
s
Moisture Sensitive Level 3
s
s
s
s
mm
3
0,325
2
1
3
0,575
Features
0,25
bottom view
5
0,5 0,5
4
0,4 +/−0,05
side view
1,4
1,1
top view
Pin configuration
s
1
s
4
s
2,3,5
Input, unbalanced
Output, unbalanced
To be grounded
1
4
2,5
3
Please read
cautions and warnings and
important notes
at the end of this document.
2
April 07, 2010
SAW Components
SAW Filter
Data sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C to +85 ˚C
Z
S
=
50
Ω
+2.7nH (unbalanced)
Z
L
=
50
Ω
+1.9nH (unbalanced)
min.
Center frequency
f
C
—
typ.
@ 25 ˚C
2140.0
max.
—
MHz
B9451
2140.0 MHz
Maximum insertion attenuation
2110.0 ... 2155.0MHz
α
max
2110.0 ... 2170.0MHz
α
max
... 2167.6MHz
α
WCDMA1)
Amplitude ripple
(p-p)
∆α
2110.0 ... 2155.0MHz
@f
Carrier
2112.4
2110.0
... 2170.0MHz
Error Vector Magnitude
@f
Carrier
2112.4 ... 2167.6MHz EVM
2)
Input VSWR
2110.0 ... 2155.0MHz
2110.0
Output VSWR
2110.0
2110.0
Attenuation
0.0
810.0
849.0
898.0
925.0
1710.0
1770.0
1850.0
2400.0
2484.0
4220.0
4340.0
1)
2)
—
—
—
—
—
—
—
—
—
—
1.9
1.9
2.1
0.5
0.5
1.1
1.6
1.6
1.6
1.6
2.7
2.7
2.7
1.2
1.2
1.9
2.0
2.0
2.0
2.0
dB
dB
dB
dB
dB
%
... 2170.0MHz
... 2155.0MHz
... 2170.0MHz
α
...
...
...
...
...
...
...
...
...
...
...
...
810.0MHz
849.0MHz
898.0MHz
925.0MHz
1710.0MHz
1770.0MHz
1850.0MHz
1980.0MHz
2484.0MHz
4220.0MHz
4340.0MHz
6000.0MHz
35
46
35
46
35
50
35
44
30
10
15
10
50
50
49
49
48
54
57
48
50
36
36
34
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Attenuation of WCDMA signal (“Powertransferfunction”). Please refer to annotation below.
Error Vector Magnitude (EVM) based on definition given in 3GPP TS 25.141.
Please read
cautions and warnings and
important notes
at the end of this document.
3
April 07, 2010
SAW Components
SAW Filter
Data sheet
Annotation for characteristics section
Attenuation of WCDMA signal (“Powertransferfunction”,
α
WCDMA
) is determined by
B9451
2140.0 MHz
∫
∞
∞
S
ds 21
(
f
)H
RRC
(
f – f
Carrier
)
df
2
f
Carrier
according to 3GPP TS 25.101 (e.g. for UMTS-Passband, f
Carrier
ranges from 2112.4 MHz
(lowest Rx channel) to 2167.6 MHz (highest Rx channel)). H
RRC
(f) is the transfer function of the
root-raised cosine transmit pulse shaping filter according to 3GPP TS 25.101 with the following
normalization:
∫
∞
H
RRC
(
f
)
∞
2
df = 1
Maximum ratings
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Source Power
1)
–30/+85
–40/+85
5
100
1)
15
˚C
˚C
V
V
dBm
machine model, 1 pulse
cw signal @ 50˚C
T
stg
V
DC
V
ESD
P
S
acc. to JESD22-A115A (machine model), 1 negative & 1 positive pulse.
Please read
cautions and warnings and
important notes
at the end of this document.
4
April 07, 2010
SAW Components
SAW Filter
Data sheet
Transfer function
B9451
2140.0 MHz
Transfer function
(wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
5
April 07, 2010
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