SAW Components
SAW Rx 2in1 input diplex filter
GSM 850 / GSM 900
Series/type:
Ordering code:
Date:
Version:
B9512
B39941B9512P810
June 04, 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 Rx 2in1 input diplex filter
Data sheet
Application
s
Low-loss
s
B9512
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 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
0.60
s
s
s
s
s
s
s
Package size 1.8 x 1.4 x 0.68
RoHS compatible
Approx. weight 0.006 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Electrostatic Sensitive Device
(ESD)
Moisture Sensitive Level
3
mm
3
0.235
1
2
3
0.60
4
0.25 0.24
0.15
0.24
0.68
1.40
10
0.15
9
8
7
6
5
bottom view
0.095
0.235
0.0775
side view
1.80
top view
Pin configuration
s
s
s
s
s
1
8,9
6,7
4
2,3,5,10
Input [Diplex]
Output, balanced [Filter 1]
Output, balanced [Filter 2]
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
June 04, 2010
SAW Components
SAW Rx 2in1 input diplex filter
Data sheet
Characteristics of filter 1 ( GSM 900 )
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
B9512
881.5 / 942.5 MHz
T
=
Z
S
=
Z
L
=
-30 ˚C to +85 ˚C
50
Ω
||10 nH (unbalanced)
150
Ω
|| 40 nH (balanced)
min.
typ.
@ 25 ˚C
942.5
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
f
C
α
max
MHz
∆α
960.0
MHz
—
—
1.9
1)
3.1
dB
—
0.8
1.8
dB
—
1.7
2.1
—
1.8
2.1
Common mode rejection ratio
925.0 ... 960.0
Attenuation
10.0
480.0
825.0
905.0
980.0
1000.0
1850.0
1920.0
5000.0
1)
MHz
α
23
28
—
dB
...
...
...
...
...
...
...
...
...
480.0
825.0
905.0
915.0
1000.0
1850.0
1920.0
5000.0
6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
45
39
25
15
23
26
40
35
30
55
44
30
20
27
28
48
42
36
—
—
—
—
—
—
—
—
—
dB
dB
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
June 04, 2010
SAW Components
SAW Rx 2in1 input diplex filter
Data sheet
B9512
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
June 04, 2010
SAW Components
SAW Rx 2in1 input diplex filter
Data sheet
Transfer function of filter 1
B9512
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
June 04, 2010
京公网安备 11010802033920号
EEWORLD
