SAW Components
SAW band–stop filter
ISDB–T
Series/type:
Ordering code:
Date:
Version:
B8742
B39841-B8742-P810
December 04, 2012
2.1
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SAW Components
SAW band–stop filter
Data sheet
Application
s
s
s
s
s
s
B8742
837.50 MHz
Low-loss RF band-stop filter for ISDB-T
Very low insertion loss
Very low amplitude ripple and group delay ripple
Usable pass band width 300 MHz
Impedance at input and output 50
Ω
Unbalanced to unbalanced operation
Features
s
s
s
s
s
s
s
s
0.45 max.
Package size 1.4
×
1.1 mm
2
Maximum package height of 0.45 mm
RoHS compatible
Approximate weight 0.003 g
Package for
Surface Mount Technology
(SMT)
Electrostatic Sensitive Device
(ESD)
Ni, gold-plated terminals
Moisture Sensitivity Level
3
0.325
2
3
1
0.575
0.25
bottom view
5
0.5
0.5
4
side view
1.4
5
4
1.1
1
top view
2
3
Pin configuration
s
s
s
s
s
1
2
3
4
5
Input
Coupling pin
Coupling pin
Output
Case ground
5
2
1
3
4
Please read
cautions and warnings and
important notes
at the end of this document.
2
December 04, 2012
SAW Components
SAW band–stop filter
Data sheet
Characteristics (including losses in the matching network)
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = +25 ˚C
±
2 ˚C
Z
S
=
50
Ω
and matching network
Z
L
=
50
Ω
and matching network
min.
Nominal frequency
Minimum insertion attenuation
470.00 ...
710.00 MHz
α
max
—
—
—
α
90.00
830.00
1427.90
1749.90
1920.00
... 222.00 MHz
... 845.00 MHz
... 1447.90 MHz
... 1784.90 MHz
... 1980.00 MHz
∆τ
770.00 MHz
—
5
—
12.0
45.0
52.0
53.0
52.0
13.0
49.0
61.0
63.0
60.0
—
—
—
—
1.3
1.8
2.2
1.6
2.1
2.6
f
N
α
max
—
0.9
1.3
—
typ.
@ 25 ˚C
837.50
max.
—
B8742
837.50 MHz
MHz
dB
Maximum insertion attenuation
470.00 ...
710.00 ...
758.00 ...
Attenuation
710.00 MHz
758.00 MHz
770.00 MHz
dB
dB
dB
dB
dB
dB
dB
dB
Group delay ripple
(p-p)
470.00 ...
ns
Matching network
(element values depend on PCB layout)
L
p2
L
s1
= 18 nH
L
p2
= 15 nH
C
p3
= 0.8pF
L
s4
= 15 nH
C
s5
= 0.5pF
Q factor of inductors:
40 @ 770 MHz
L
s1
1
2
C
p3
3
4
L
s4
C
s5
Please read
cautions and warnings and
important notes
at the end of this document.
3
December 04, 2012
SAW Components
SAW band–stop filter
Data sheet
Characteristics (including losses in the matching network)
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T = –30 ˚C to +85 ˚C
Z
S
=
50
Ω
and matching network
Z
L
=
50
Ω
and matching network
min.
Nominal frequency
Minimum insertion attenuation
470.00 ...
710.00 MHz
α
max
—
—
—
α
90.00
830.00
1427.90
1749.90
1920.00
... 222.00 MHz
... 845.00 MHz
... 1447.90 MHz
... 1784.90 MHz
... 1980.00 MHz
∆τ
770.00 MHz
—
5
—
11.0
44.0
52.0
53.0
52.0
13.0
49.0
61.0
63.0
60.0
—
—
—
—
1.3
1.8
2.2
1.7
2.2
2.7
f
N
α
max
—
0.9
1.4
—
typ.
@ 25 ˚C
837.50
max.
—
B8742
837.50 MHz
MHz
dB
Maximum insertion attenuation
470.00 ...
710.00 ...
758.00 ...
Attenuation
710.00 MHz
758.00 MHz
770.00 MHz
dB
dB
dB
dB
dB
dB
dB
dB
Group delay ripple
(p-p)
470.00 ...
ns
Matching network
(element values depend on PCB layout)
L
p2
L
s1
= 18 nH
L
p2
= 15 nH
C
p3
= 0.8pF
L
s4
= 15 nH
C
s5
= 0.5pF
Q factor of inductors:
40 @ 770 MHz
L
s1
1
2
C
p3
3
4
L
s4
C
s5
Please read
cautions and warnings and
important notes
at the end of this document.
4
December 04, 2012
SAW Components
SAW band–stop filter
Data sheet
B8742
837.50 MHz
Maximum ratings
Operable temperature range T
Storage temperature range T
stg
DC voltage
ESD voltage
Source power at
830.0 ... 845.0 MHz
1)
–30/+85
–40/+85
5
100
1)
24
˚C
˚C
V
V
dBm
machine model, 10 pulses
peak power of W-CDMA signal
V
DC
V
ESD
P
S
according to JESD22-A115A (machine model), 10 negative & 10 positive pulses.
Transfer function
Please read
cautions and warnings and
important notes
at the end of this document.
5
December 04, 2012
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