SAW Components
Low-Loss Filter
Data Sheet
B3643
371,0 MHz
Ceramic package
QCC10B
Features
q
q
q
q
IF low-loss filter for wireless LAN systems
Channel selection according to IEEE 802.11
Temperature stable
Ceramic SMD package
Terminals
q
Gold plated
Dimensions in mm, approx. weight 0,23
Pin configuration
10
5
9
4
2, 7
1, 3, 6, 8
Input
Output
Input ground
Output ground
Ground
Case ground
Type
B3643
Ordering code
B39371-B3643-Z710
Marking and Package
according to
C61157-A7-A49
Packing
according to
F61074-V8035-Z000
Electrostatic Sensitive Device
(ESD)
Maximum ratings
Operable temperature range
Storage temperature range
DC voltage
Source power
T
A
T
stg
V
DC
P
s
-25 / +70
-40 / +85
0
10
˚C
˚C
V
dBm
source impedance 50
Ω
2
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
B3643
371,0 MHz
T
A
= -20 .. +60 ˚C
Z
S
= 50
Ω
and matching network
Z
L
= 50
Ω
and matching network
min.
typ.
371,0
10
max.
—
11,5
MHz
dB
Nominal frequency
Insertion attenuation at
f
N
Pass bandwidth
α
rel
< 1 dB
α
rel
< 3 dB
Amplitude ripple
(p-p)
f
N
- 0,5 MHz ...
f
N
+ 0,5 MHz
Amplitude slope in passband
Group delay ripple
(p-p)
f
N
- 0,65 MHz ...
f
N
+ 0,65 MHz
f
N
- 1,00 MHz ...
f
N
+ 1,00 MHz
Relative attenuation
(relative to
α
N
)
f
N
- 50 MHz ...
f
N
- 15
f
N
- 15 MHz ...
f
N
- 5
f
N
+ 5 MHz ...
f
N
+ 25
f
N
+ 25 MHz ...
f
N
+ 50
f
N
α
N
—
—
B
1dB
B
3dB
∆α
1,3
—
1,6
2,0
—
2,5
MHz
MHz
—
—
∆τ
—
—
α
rel
0,3
0,0
1,0
±0,5
dB
dB
80
90
120
—
ns
ns
MHz
MHz
MHz
MHz
45
40
40
45
60
55
45
50
-0,036
—
—
—
—
—
—
dB
dB
dB
dB
ppm/K
2
˚C
Temperature coefficient of frequency
1)
Turnover temperature
1)
TC
f
T
0
—
—
16
Temperature dependance of
f
C
:
f
C
(T
A
) =
f
C
(T
0
)(1 +
TC
f
(T
A
-
T
0
)
2
)
Matching network
(Element values depend upon PCB layout)
C
p1
= 15 pF
L
s2
= 27 nH
L
s3
= 22 nH
C
p4
= 15 pF
3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3643
371,0 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, SAW MC IS
P.O. Box 80 17 09, D-81617 München
©
EPCOS AG 1999. All Rights Reserved.
As far as patents or other rights of third parties are concerned, liability is only assumed for compo-
nents per se, not for applications, processes and circuits implemented within components or
assemblies.
The information describes the type of component and shall not be considered as assured
characteristics.
Terms of delivery and rights to change design reserved.
For questions on technology, prices and delivery please contact the sales offices of EPCOS AG or
the international representatives.
Due to technical requirements components may contain dangerous substances. For information on
the type in question please also contact one of our sales offices.
5
Apr 04, 2001
京公网安备 11010802033920号
EEWORLD
