SAW Components
SAW Rx 2in1 filter
GSM 900 / GSM 850
Series/type:
Ordering code:
Date:
Version:
B9504
B39941B9504L310
July 08, 2008
2.0
©
EPCOS AG 2008. 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 2in1 filter
Data sheet
Application
s
Low-loss
s
B9504
942.5 / 881.5 MHz
s
s
s
s
2in1 RF filter for mobile telephone
GSM 850 and GSM 900 systems, receive path (Rx)
Usable passband:
Filter 1 (GSM 900): 35 MHz
Filter 2 (GSM 850): 25 MHz
Unbalanced to balanced operation for all filters
Impedance transformation from 50
Ω
to 150
Ω
for
both filters
Low amplitude ripple
Suitable for GPRS class 1 to 12
Features
s
s
s
s
s
s
s
0.60
0.235
1
0.25 0.24
2
0.15
3
0.60
4
0.24
0.68
1.80
1.40
Package size 1.8 x 1.4 x 0.68 mm
3
Package code QCS10U
RoHS compatible
Approx. weight 0.006g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
10
0.15
9
8
7
6
5
bottom view
0.095
0.235
0.0775
side view
top view
Pin configuration
s
s
s
s
s
1
4
6,7
8,9
2,3,5,10
Input [ Filter 1]
Input [ Filter 2 ]
Output balanced [ Filter 2 ]
Output balanced [ Filter 1 ]
Case ground
1
9
8
7
4
2,3,5,10
6
Please read
cautions and warnings and
important notes
at the end of this document.
2
July 08, 2008
SAW Components
SAW Rx 2in1 filter
Data sheet
Characteristics of filter 1 ( GSM 900 )
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9504
942.5 / 881.5 MHz
T
=
Z
S
=
Z
L
=
-20 ˚C to +75 ˚C
50
Ω
150
Ω
|| 56 nH (balanced)
B9504
typ.
@25˚C
942.5
1.5
1)
0.6
1.6
1.6
min.
Center frequency
Maximum insertion attenuation
925.0 ... 960.0
Amplitude ripple
(p-p)
925.0 ...
Input VSWR
925.0 ...
Output VSWR
925.0 ...
960.0
MHz
—
960.0
MHz
—
960.0
MHz
∆α
MHz
—
f
C
α
max
—
—
max.
—
2.1
2)
1.3
3)
2.0
2.0
MHz
dB
dB
Output amplitude balance
(|S
31
/S
21
|)
925.0 ... 960.0 MHz
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
925.0 ... 960.0 MHz
Attenuation
10.0
480.0
900.0
905.0
980.0
1000.0
1850.0
1920.0
3700.0
1)
2)
3)
–1.0
-0.6/+0.6
1.0
dB
–10
α
-3/+3
10
˚
...
...
...
...
...
...
...
...
...
480.0
900.0
905.0
915.0
1000.0
1850.0
1920.0
3700.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
45
30
26
20
25
28
40
35
32
56
35
33
32
30
33
49
43
38
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Typical value excluding PCB losses of 0.16 dB.
1.9 dB at 25
˚C.
1.2 dB at 25
˚C.
Please read
cautions and warnings and
important notes
at the end of this document.
3
July 08, 2008
SAW Components
SAW Rx 2in1 filter
Data sheet
B9504
942.5 / 881.5 MHz
Maximum ratings of filter 1
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Input power at
GSM 850, GSM 900
GSM 1800, GSM 1900
Tx bands
1)
–40/+85
–40/+85
5
100
1)
15
15
˚C
˚C
V
V
dBm
dBm
machine model, 1 pulse
effective power in the on-state,
duty cycle 4:8
T
stg
V
DC
V
ESD
P
IN
P
IN
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
July 08, 2008
SAW Components
SAW Rx 2in1 filter
Data sheet
Transfer function of filter 1 -
narrowband
B9504
942.5 / 881.5 MHz
Transfer function of filter 1 -
wideband
Please read
cautions and warnings and
important notes
at the end of this document.
5
July 08, 2008
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