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SAW Components
SAW RF filter
Automotive telematics
Series/type:
Ordering code:
Date:
Version:
B3515
B39202B3515H910
January 14, 2015
2.4
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SAW Components
SAW RF filter
Automotive telematics
Series/type:
Ordering code:
Date:
Version:
B3515
B39202B3515H910
January 14, 2015
2.4
EPCOS AG 2015. Reproduction, publication and dissemination of this publication, enclosures hereto and the information
contained therein without EPCOS' prior express consent is prohibited.
EPCOS AG is a TDK Group Company.
SAW Components
SAW RF filter
Preliminary design goal
Application
s
Low-loss RF filter for GSM 1800/1900 system,
s
B3515
1842.5/1960.0 MHz
s
s
s
receive path
Usable passband:
Filter 1 (GSM1800): 75 MHz
Filter 2 (GSM1900): 60 MHz
Unbalanced to balanced operation of both filters
Impedance transformation from 50
Ω
to 150
Ω
for
both filters
Suitable for GPRS class 1 to 12
Features
s
s
s
s
s
s
s
s
s
Package size 3.0 x 2.5 x 0.98 mm
3
Package code QCC10G
RoHS compatible
Approximate weight 0.027 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Lead free soldering compatible with J - STD20C
AEC-Q200 qualified component family
Electrostactic Sensitive Device
(ESD)
Pin configuration
1)
s
s
s
s
s
1,2
3,4
6
9
5,7,8,10
Output, balanced [Filter 1]
Output, balanced [Filter 2]
Input [Filter 2]
Input [Filter 1]
Case grounded
9
1
7,8
2
3
6
4
1) The recommended pin configuration usually offers best
suppression of electrical crosstalk. The filter characteris-
tics refer to this configuration.
5, 10
Please read
cautions and warnings and
important notes
at the end of this document.
2
January 14, 2015
SAW Components
SAW RF filter
Preliminary design goal
Characteristics Filter 1 (GSM1800)
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –40 ˚C to +85 ˚C
50
Ω
Z
S
=
Z
L
= 150
Ω
(balanced) || 12 nH
min.
Center frequency
Maximum insertion attenuation
1805.0 ... 1880.0
Amplitude ripple
1805.0
VSWR
1805.0
... 1880.0
MHz
—
2.2
2.4
f
C
α
max
MHz
—
2.6
3.0
—
typ.
@ 25 ˚C
1842.5
max.
—
B3515
1842.5/1960.0 MHz
MHz
dB
... 1880.0
MHz
—
1.2
1.6
dB
Output amplitude balance
(|S
31
/S
21
|)
1805.0 ... 1880.0 MHz
Output phase balance
(φ(S
31
)−φ(S
21
)+180˚)
1805.0 ... 1880.0
Attenuation
10.00
1000.00
1700.00
1920.00
1980.00
2030.00
...
...
...
...
...
...
1000.00
1700.00
1785.00
1980.00
2030.00
3000.00
MHz
MHz
MHz
MHz
MHz
MHz
–1.5
1.5
dB
MHz
α
abs
–15.0
15.0
degree
40
26
10
15
24
30
50
30
17
20
28
32
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
Please read
cautions and warnings and
important notes
at the end of this document.
3
January 14, 2015
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