SAW Components
SAW Rx 2in1 filter
GSM 850 / GSM 900
Series/type:
Ordering code:
Date:
Version:
B9801
B39941B9801J610
July 31, 2009
2.0
©
EPCOS AG 2009. 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
B9801
881.5 / 942.5 MHz
s
s
s
s
2in1 RF filter for mobile telephone
GSM 900 and GSM 850 systems, receive path (Rx)
Usable passband:
Filter 1 (GSM 900): 35 MHz
Filter 2 (GSM 800): 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
0.49
0.18
0.175
1
2
3
0,39
4
0.18
0,4
1.5
1.1
Package size 1.5 x1.1 x 0.4 mm
3
Package code QCT10K
Approx. weight 0.003g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
RoHS compatible
Electrostatic Sensitive Device
(ESD)
10
0.075
5
bottom view
9
8
7
6
0.075
0.21
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 31, 2009
SAW Components
SAW Rx 2in1 filter
Data sheet
Characteristics of filter 1 ( GSM 900 )
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9801
881.5 / 942.5 MHz
T
=
Z
S
=
Z
L
=
-20 ˚C to +75 ˚C
50
Ω
150
Ω
|| 72 nH (balanced)
min.
typ.
@25˚C
942.5
1.2
1)
0.5
1.6
1.6
max.
—
MHz
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
f
C
α
max
—
—
2.3
2)
dB
1.5
3)
dB
2.0
2.0
∆α
MHz
—
—
—
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)
4)
–1.2
-0.8/+0.8
1.2
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
27
20
4)
25
28
40
35
33
55
34
31
30
28
31
44
39
37
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
Typical value excluding PCB losses.
1.9 dB at 25˚C
1.2 dB at 25˚C
23 dB at 25˚C
Please read
cautions and warnings and
important notes
at the end of this document.
3
July 31, 2009
SAW Components
SAW Rx 2in1 filter
Data sheet
B9801
881.5 / 942.5 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 31, 2009
SAW Components
SAW Rx 2in1 filter
Data sheet
Transfer function of filter 1
B9801
881.5 / 942.5 MHz
Transfer function of filter 1 -
wideband
Please read
cautions and warnings and
important notes
at the end of this document.
5
July 31, 2009
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