SAW Components
SAW Rx Filter
WCDMA Diversity
Band I Rx
Series/type:
Ordering code:
Date:
Version:
B9856
B39212B9856P810
January 31, 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 Rx Filter
Data sheet
Application
s
Low-loss RF filter for mobile telephone
B9856
2140.0MHz
s
s
s
s
WCDMA Band I systems (diversity) receive path
(RX)
Low amplitude ripple
Usable passband 60 MHz
Impedance transform from 50
Ω
to
100Ω
Unbalanced to balanced operation
Features
s
s
s
s
s
s
s
Package size 1.1 x 0.9 x 0.4 mm
3
RoHS compatible
Approx. weight 0.003g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Moisture Sensitive Level
3
0.18
0.18
2
3
0.25
0.25
0.5
bottom view
1
5
0.385
4
0.075
0.4
side view
top view
0.385
1.1
Pin configuration
s
1
s
3,4
s
2,5
Input, unbalanced
Output, balanced
Case-ground
1
0.9
0.075
4
2,5
3
Please read
cautions and warnings and
important notes
at the end of this document.
2
January 31, 2011
SAW Components
SAW Rx Filter
Data sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B9856
2140.0MHz
T
= –30 to +85 ˚C
Z
S
=
50Ω
Z
L
= 100
Ω
|| 22nH (balanced)
min.
Center frequency
Maximum insertion attenuation
2110.0 ... 2170.0
Amplitude ripple
(p-p)
2110.0 ... 2170.0
Input VSWR
2110.0 ... 2170.0
Output VSWR
2110.0 ... 2170.0
CMRR
(|S
21
-S
31
| / |S
21
+S
31
|)
2110.0 ... 2170.0
MHz
—
MHz
—
f
C
α
max
MHz
∆α
MHz
—
—
—
typ.
@ 25 ˚C
2140.0
1.9
max.
—
2.5
MHz
dB
0.7
1.3
dB
1.6
1.7
2.0
2.1
MHz
23
27
—
dB
Output amplitude balance
1)
(|S
31
/S
21
|)
2110.0 ... 2170.0 MHz
Output phase balance
2)
(φ(S
31
)−φ(S
21
)+180˚)
2110.0 ... 2170.0 MHz
Attenuation
0.3
810.0
898.0
1620.0
1710.0
1920.0
1980.0
2400.0
2484.0
3000.0
4600.0
1)
2)
-1.0
-10
-0.5/0.5
-3.0/3.0
1.0
10
dB
˚
α
...
...
...
...
...
...
...
...
...
...
...
1920.0
849.0
925.0
1710.0
1755.0
1980.0
2050.0
2484.0
3000.0
4600.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
40
50
50
32
46
46
25
30
32
36
28
48
60
60
39
50
53
37
36
40
42
33
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Output amplitude balance specification is not tested. It is meant for reference.
Outout Phase balance specification is not tested. It is meant for reference.
Please read
cautions and warnings and
important notes
at the end of this document.
3
January 31, 2011
SAW Components
SAW Rx Filter
Data sheet
B9856
2140.0MHz
Maximum ratings
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Input Power at
1920.0 .. .1980.0MHz
Tx band
1)
–40/+85
–40/+85
5
50
1)
15
˚C
˚C
V
V
dBm
machine model, 1 pulse
CW
T
stg
V
DC
V
ESD
P
IN
acc. to JESD22-A115A (machine model), 1 negative & 1 positive pulses.
Please read
cautions and warnings and
important notes
at the end of this document.
4
January 31, 2011
SAW Components
SAW Rx Filter
Data sheet
Transfer function
(narrow band)
B9856
2140.0MHz
Transfer function
(wide band)
Please read
cautions and warnings and
important notes
at the end of this document.
5
January 31, 2011
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