SAW Components
SAW Tx filter
Cellular / WCDMA Band V
Series/type:
Ordering code:
Date:
Version:
B9425
B39841B9425M410
May 11, 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
SAW Tx filter
Data Sheet
Application
s
Low-loss RF filter for mobile telephone
s
s
s
s
B9425
836.5 MHz
Cellular systems, transmit path (TX)
Impedance 50
Ω
input and output
Unbalanced / unbalanced operation
Very high RX suppression
Usable passband 25 MHz
Features
Package size 1.4 x1.1 x 0.4
Package code QCS5I
RoHS compatible
Approximate 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
mm
3
0,325
2
1
3
0,575
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
4
s
2,3,5
Input unbalanced
Output, unbalanced
To be grounded
Please read
cautions and warnings and
important notes
at the end of this document.
2
May 11, 2006
SAW Components
SAW Tx filter
Data Sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C to +85 ˚C
Z
S
=
50
Ω
Z
L
=
50
Ω
min.
Center frequency
Maximum insertion attenuation
824.0 ... 849.0
Amplitude ripple
(p-p)
824.0 ...
Input VSWR
824.0
Output VSWR
824.0
Attenuation
0.0
779.0
804.0
859.0
869.0
894.0
1570.0
2200.0
1)
2)
B9425
836.5 MHz
f
C
α
max
MHz
∆α
849.0
849.0
849.0
MHz
MHz
MHz
α
... 779.0
... 804.0
... 814.0
... 869.0
... 894.0
... 1570.0
... 2200.0
... 6000.0
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
––
typ.
@ 25 ˚C
836.5
max.
––
MHz
––
––
––
––
45
40
12
1)
7
2)
40
33
35
33
1.7
0.7
1.7
1.7
47
44
19
14
42
35
42
38
2.3
1.3
2.0
2.0
––
––
––
––
––
––
––
––
dB
dB
...
...
dB
dB
dB
dB
dB
dB
dB
dB
for –15 ˚C to 80 ˚C
for –15 ˚C to 80 ˚C
Maximum ratings
Operable temperature range T
Storage temperature range
DC voltage
ESD voltage
Input Power
824 - 849 MHz
elsewere
1)
–40/+85
–40/+85
5
100
1)
16
10
˚C
˚C
V
V
dBm
dBm
Machine model, 10 pulses
source impedance 50
Ω
source impedance 50
Ω
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.
3
May 11, 2006
SAW Components
SAW Tx filter
Data Sheet
Transfer function
B9425
836.5 MHz
Transfer function
(wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
4
May 11, 2006
SAW Components
SAW Tx filter
Data Sheet
Smith charts
S
11
function
B9425
836.5 MHz
S
22
function
Please read
cautions and warnings and
important notes
at the end of this document.
5
May 11, 2006
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