SAW Components
SAW IF filter
TD-SCDMA
Series/type:
Ordering code:
Date:
Version:
B5207
B39141B5207H310
March 05, 2009
2.0
©
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 IF filter
Data Sheet
Application
s
Low-loss IF filter for TD-SCDMA base station
s
Usable passband 20.0 MHz
s
Balanced or unbalanced operation
B5207
138.24 MHz
Features
Package size 7.0 x 5.0 x 1.48 mm
3
Package code QCC12C
RoHS compatible
Approximate weight 0.25 g
Ceramic Package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
Electrostatic Sensitive Device
(ESD)
s
Filter surface passivated
s
s
s
s
s
Pin configuration
s
s
s
s
s
s
10
12
4
6
1, 2, 7, 8
3, 9
Input
Input ground
Output
Output ground
To be grounded
Case ground
Please read
cautions and warnings and
important notes
at the end of this document.
2
March 05, 2009
SAW Components
SAW IF filter
Data Sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –40 ˚C to +85 ˚C
Z
S
=
50
Ω
and matching network
Z
L
=
50
Ω
and matching network
min.
Nominal frequency
Minimum insertion attenuation
(including matching network)
Passband width
α
rel
≤
Amplitude ripple
(p-p)
f
N
±
10.0 MHz
Group delay ripple
(p-p)
f
N
±
10.0 MHz
Absolute group delay
(mean)
f
N
±
10.0 MHz
Relative attenuation
(relative to
α
min
)
10.00 MHz ... 90.00 MHz
90.00 MHz ... 108.24 MHz
108.24 MHz ... 117.52 MHz
122.88 MHz
220.40 MHz ... 271.12 MHz
271.12 MHz ... 1000.00 MHz
1dB compression point
Input IP3
Temperature coefficient of frequency
TC
f
1.0
dB
B
1.0dB
∆α
—
∆τ
—
τ
—
α
rel
55
50
50
45
58
40
12
35
—
62
57
57
52
75
75
—
—
–87
—
—
—
—
—
—
—
—
—
665
—
40
60
0.4
1.0
20
23.1
—
f
N
α
min
—
—
typ.
@ 25 ˚C
138.24
8.5
max.
—
10.0
B5207
138.24 MHz
MHz
dB
MHz
dB
ns
ns
dB
dB
dB
dB
dB
dB
dBm
dBm
ppm/K
Please read
cautions and warnings and
important notes
at the end of this document.
3
March 05, 2009
SAW Components
SAW IF filter
Data Sheet
Matching network to 50
Ω
L
s2
L
s3
C
p4
B5207
138.24 MHz
C
p1
= 27 || 2.2 pF
L
s2
= 82 nH
L
s3
= 33 nH
C
p4
= 47 || 2.2 pF
C
p1
Element values depend upon board layout and properties.
Matching network to 200
Ω
balanced input and 200
Ω
balanced output
L
s2
C
p1
L
s2
C
s3
C
p1
= 18 pF
L
s2
= 62 nH
L
p4
C
s3
C
s3
= 100 pF
L
p4
= 47 nH
Element values depend upon board layout and properties.
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Input Power
T
T
stg
V
DC
P
IN
–40/+85
–40/+85
0
10
˚C
˚C
V
dBm
Please read
cautions and warnings and
important notes
at the end of this document.
4
March 05, 2009
SAW Components
SAW IF filter
Data Sheet
Transfer function (S21, Narrowband)
B5207
138.24 MHz
Transfer function (S21, Wideband)
Please read
cautions and warnings and
important notes
at the end of this document.
5
March 05, 2009
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