SAW Components
SAW Rx Filter
GSM 900
Series/Type:
Ordering code:
Date:
Version:
B9423
B39941B9423K610
March 17, 2006
2.0
©
EPCOS AG 2006. Reproduction, publication and dissemination of this data sheet, enclosures
hereto and the information contained therein without EPCOS’ prior express consent is prohibited.
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Application
s
Low-loss RF filter for mobile telephone
s
s
s
s
s
s
B9423
942.5 MHz
GSM 900 systems, receive path (RX)
Impedance transform from 50
Ω
to 100
Ω
Unbalanced to balanced operation
Very low insertion attenuation
Low amplitude ripple
Usable passband 35 MHz
Suitable for GPRS class 1 to 12
Package size 1.4 x1.1 x 0.4 mm
3
Package code QCS5F
RoHS compatible
Approx. weight 0.003 g
Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Electrostatic Sensitive Device
(ESD)
s
s
s
s
s
0,325
2
1
3
0,575
Features
0,25
bottom view
5
0,5 0,5
4
0,4 +/−0,05
side view
1,4
1,1
top view
Pin configuration
s
1
s
3,4
s
2,5
Input, unbalanced
Output balanced
To be grounded
Please read
cautions and warnings and
important notes
at the end of this document.
2
March 17, 2006
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B9423
942.5 MHz
T
=
Z
S
=
Z
L
=
-10 to +85 ˚C
50Ω
100
Ω
(balanced)
B9423
typ.
@ 25˚C
942.5
1.9
1.0
1.9
1.8
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
S
cs21
MHz
MHz
MHz
MHz
α
0.3
480.0
880.0
905.0
980.0
1850.0
1920.0
2400.0
2500.0
5150.0
5825.0
6000.0
... 480.0
... 880.0
... 905.0
... 915.0
... 1850.0
... 1920.0
... 2400.0
... 2500.0
... 5150.0
... 5825.0
... 6000.0
...12750.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
45
30
23
18
23
30
25
40
30
40
30
—
20
20
20
20
—
960.0
MHz
—
960.0
MHz
∆α
MHz
—
f
C
α
max
—
—
max.
—
2.6
1.6
2.2
2.2
MHz
dB
dB
Common mode suppression
925.0 ... 960.0
824.0 ... 995.0
1648.0 ... 1990.0
3296.0 ... 3980.0
Attenuation
27
24
48
33
56
33
35
29
29
48
44
44
42
45
45
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
March 17, 2006
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
B9423
942.5 MHz
Maximum ratings
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Input Power at
GSM850, GSM900
GSM1800, GSM1900
Tx bands
1)
-30/+85
-40/+85
5
100
1)
15
15
˚C
˚C
V
V
dBm
dBm
machine model, 10 pulses
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), 10 negative & 10 positive pulses.
Please read
cautions and warnings and
important notes
at the end of this document.
4
March 17, 2006
SAW Components
Low-Loss Filter for Mobile Communication
Data sheet
Transfer function (passband)
B9423
942.5 MHz
Transfer function
Please read
cautions and warnings and
important notes
at the end of this document.
5
March 17, 2006
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