SAW Components
SAW IF filter
Satellite radio
Series/type:
Ordering code:
Date:
Version:
B1720
B39121B1720H810
February 19, 2010
2.1
©
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 IF filter
Data sheet
Application
s
s
s
s
B1720
115.18 MHz
IF filter for digital radio
Low insertion attenuation
Constant group delay
Balanced to balanced operation
Features
Package size 7.0 x 5.0 x 1.33 mm
3
Package code QCC12E
Maximum package height of 1.48 mm
RoHS compatible
Approximate weight 0.25 g
Ceramic package for
Surface Mount Technology
(SMT)
s
Ni, gold-plated terminals
s
AEC-Q200 qualified component family
s
Electrostatic Sensitive Device
(ESD)
s
s
s
s
s
s
Pin configuration
s
s
s
s
s
s
10
12
4
6
1,5,7,11
2,3,8,9
Input
Input
Output
Output
Case – ground
To be grounded
10
4
12
6
1,5,7,11
Please read
cautions and warnings and
important notes
at the end of this document.
2
February 19, 2010
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
= 200
Ω
and matching network
Z
L
= 200
Ω
and matching network
min.
Nominal frequency
Minimum insertion attenuation
1)
Amplitude ripple (p-p)
108.9300 ...
110.7875 ...
112.6450 ...
115.2050 ...
117.7150 ...
119.5725 ...
Pass bandwidth
α
rel
≤
1.5 dB
α
rel
≤
3 dB
f
N
α
min
∆α
110.7875
112.6450
115.1550
117.7150
119.5725
121.4300
MHz
MHz
MHz
MHz
MHz
MHz
—
—
—
—
—
—
0.3
0.2
0.3
0.2
0.2
0.5
1.3
1.2
1.2
1.2
1.2
1.3
—
—
typ.
@ 25 ˚C
115.18
14.2
max.
—
15.7
B1720
115.18 MHz
MHz
dB
dB
dB
dB
dB
dB
dB
B
1.5dB
B
3dB
—
—
13.3
14.0
—
—
MHz
MHz
Attenuation (relative to
α
min
)
α
rel
Lower sidelobe
90.000 ... 98.680 MHz
98.680 ... 104.680 MHz
Upper sidelobe
124.180 ... 131.180 MHz
131.180 ... 140.000 MHz
Group delay ripple (p-p)
108.9300 ... 110.7875
110.7875 ... 112.6450
112.6450 ... 115.1550
115.2050 ... 117.7150
117.7150 ... 119.5725
119.5725 ... 121.4300
∆τ
MHz
MHz
MHz
MHz
MHz
MHz
TC
f
48.0
38.0
30.0
42.0
55.0
42.0
35.0
48.0
—
—
—
—
dB
dB
dB
dB
—
—
—
—
—
—
—
20
20
20
30
30
55
–18
—
—
—
—
—
—
—
ns
ns
ns
ns
ns
ns
ppm/K
Temperature coefficient of frequency
1)
Including losses in the matching network
Inductor type TOKO LL1005FHL
Please read
cautions and warnings and
important notes
at the end of this document.
3
February 19, 2010
SAW Components
SAW IF filter
Data sheet
Matching network to 200
Ω
(element values depend on PCB layout)
L
s2
L
s3
L
p1
= 56 nH
L
p1
L
p4
L
s2
= 18 nH
L
s3
= 27 nH
L
p4
= 68 nH
L
s2
L
s3
B1720
115.18 MHz
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
T
stg
V
DC
P
S
–40/+85
–40/+85
0
10
˚C
˚C
V
dBm
Transfer function
Please read
cautions and warnings and
important notes
at the end of this document.
4
February 19, 2010
SAW Components
SAW IF filter
Data sheet
Transfer function
(pass band)
B1720
115.18 MHz
Transfer function
(wide band)
Please read
cautions and warnings and
important notes
at the end of this document.
5
February 19, 2010