SAW Components
SAW Rx 2in1 output diplex filter
GSM 850 / GSM 900
Series/type:
Ordering code:
Date:
Version:
B9803
B39941B9803P810
July 14, 2009
2.0
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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 output diplex filter
Data sheet
Application
s
Low-loss
s
B9803
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 800): 25 MHz
Filter 2 (GSM 900): 35 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 QCT10L
RoHS compatible
Approx. weight 0.003 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
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
8,9
6,7
2,3,5,10
Input [Filter 1]
Input [Filter 2]
Output, balanced [Diplex]
To be grounded
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 14, 2009
SAW Components
SAW Rx 2in1 output diplex filter
Data sheet
Characteristics of filter 1 ( GSM 850 )
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9803
881.5 / 942.5 MHz
T
=
Z
S
=
Z
L
=
-20 ˚C to +85 ˚C
50
Ω
150
Ω
|| 21 nH (balanced)
min.
typ.
@ 25 ˚C
881.5
max.
—
MHz
Center frequency
Maximum insertion attenuation
869.0 ... 894.0
Amplitude ripple
(p-p)
869.0 ...
Input VSWR
869.0
Output VSWR
869.0
...
894.0
MHz
...
894.0
MHz
f
C
α
max
MHz
∆α
894.0
MHz
—
—
1.7
1)
2.6
dB
—
0.6
1.4
dB
—
1.9
2.3
—
1.8
2.3
Common mode rejection ratio
869.0 ... 894.0
Attenuation
10.0
447.0
914.2
1000.0
1850.0
1920.0
4000.0
1)
MHz
α
19
23
—
dB
...
...
...
...
...
...
...
447.0
849.0
1000.0
1850.0
1920.0
4000.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
45
30
24
28
40
35
32
55
38
30
37
49
41
37
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
Typical value excluding PCB losses.
Please read
cautions and warnings and
important notes
at the end of this document.
3
July 14, 2009
SAW Components
SAW Rx 2in1 output diplex filter
Data sheet
B9803
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 14, 2009
SAW Components
SAW Rx 2in1 output diplex filter
Data sheet
Transfer function of filter 1
B9803
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 14, 2009
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