SAW filters for automotive
electronics
Series/Type:
B3563
The following products presented in this data sheet are being withdrawn.
Ordering Code
B39861B3563U410
Substitute Product
Date of Withdrawal
2016-01-08
Deadline Last
Orders
2016-04-15
Last Shipments
2016-07-15
For further information please contact your nearest EPCOS sales office, which will also support you in selecting a suitable substitute. The
addresses of our worldwide sales network are presented at www.epcos.com/sales.
SAW Components
SAW RF filter
Data sheet
Application
s
s
s
s
B3563
864.00 MHz
Low-loss RF filter for wireless audio application
Low amplitude ripple
High image frequency suppression
No matching network required for
operation at 50
Ω
Features
s
s
s
s
s
s
s
s
Package size 3.0 x 3.0 x 1.1 mm
3
Package code DCC6C
RoHS compatible
Approximate weight 0.037 g
Package for
Surface Mount Technology
(SMT)
Ni, gold-plated terminals
Lead free soldering compatible with J - STD20C
Electrostactic Sensitive Device
(ESD)
Pin configuration
s
2
s
5
s
1, 3, 4, 6
Input
Output
To be grounded
Please read
cautions and warnings and
important notes
at the end of this document.
2
October 21, 2013
SAW Components
SAW RF filter
Data sheet
Characteristics
Temperature range for specification:
Terminating source impedance:
Terminating load impedance:
T
A
=
Z
S
=
Z
L
=
0 ˚C to +40 ˚C
50
Ω
50
Ω
min.
Center frequency
f
C
—
typ.
@ 25 ˚C
864.00
max.
—
B3563
864.00 MHz
MHz
Maximum insertion attenuation
α
max
862.50 ... 865.50 MHz
Amplitude ripple (p-p)
∆α
862.50 ... 865.50 MHz
Relative attenuation
(relative to
α
max
)
α
rel
841.60 ... 843.60 MHz
852.30 ... 853.30 MHz
879.00 ... 915.00 MHz
Temperature coefficient of frequency
—
4.0
6.0
dB
—
1.5
2.5
dB
40.0
30.0
30.0
—
44.0
38.0
38.0
–30
—
—
—
—
dB
dB
dB
ppm/K
TC
f
Maximum ratings
Operable temperature range T
A
Storage temperature range
DC voltage
Input power max.
T
stg
V
DC
P
IN
–45/+125 ˚C
–45/+125 ˚C
6
0
V
dBm
source impedance 50
Ω
Please read
cautions and warnings and
important notes
at the end of this document.
3
October 21, 2013
SAW Components
SAW RF filter
Data sheet
ESD protection of SAW filters
B3563
864.00 MHz
SAW filters are
Electro Static Discharge
sensitive devices. To reduce the probability of damages
caused by ESD, special matching topologies have to be applied.
In general, “ESD matching” has to be ensured at that filter port, where electrostatic discharge is
expected.
Electrostatic discharges predominantly appear at the antenna input of RF receivers. Therefore
only the input matching of the SAW filter has to be designed to short circuit or to block the ESD
pulse.
Below three figures show recommended “ESD matching” topologies.
For wideband filters the high-pass ESD matching structure needs to be at least of 3
rd
order to
ensure a proper matching for any impedance value of antenna and SAW filter input. The required
component values have to be determined from case to case.
Cs1
Cs3
Cs1
Cs3
MLC1
Dp1
Lp2
to output
matching
Lp2
to output
matching
Fig. 1 MLC varistor plus ESD matching
Fig. 2 Suppressor diode plus ESD matching
In cases where minor ESD occur, following simplified “ESD matching” topologies can be used
alternatively.
Cs1
Cs3
Lp2
to output
matching
Fig. 3 3
rd
order high-pass structure for basic ESD protection
In all three figures the shunt inductor Lp2 could be replaced by a shorted microstrip with proper
length and width. If this configuration is possible depends on the operating frequency and
available pcb space.
Effectiveness of the applied ESD protection has to be checked according to relevant industry
standards or customer specific requirements
For further information, please refer to EPCOS Application report:
“ESD
protection for SAW filters”.
This report can be found under www.epcos.com/rke.Click on “Applications Notes”.
Please read
cautions and warnings and
important notes
at the end of this document.
5
October 21, 2013
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