B3672 [ETC]
Analog IC ; 模拟IC\n
ETC 
SAW Components
Data Sheet B3672
SAW Components
Low-Loss Filter
Data Sheet
B3672
397,5 MHz
Ceramic package QCC8C
Features
● Low-loss filter (RX) for Trunked Radio
● Usable bandwidth 5 MHz
● No matching required for operation at 50 Ω
● Package for Surface Mounted Technology
(SMT)
● Hermetically sealed ceramic package
Terminals
● Gold-plated
typ. Dimensions in mm, approx. weight 0,10 g
Pin configuration
2
Input
3
6
Input ground
Output
7
1, 5
4, 8
Output ground
Ground
Case ground
Type
Ordering code
Marking and Package
Packing
according to
according to
C61157-A7-A56
F61074-V8070-Z000
B3672
B39401-B3672-U310
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range TA
Storage temperature range Tstg
-25 / +75
-40 / +85
˚C
˚C
DC voltage
Source power
VDC
Ps
0
10
V
dBm
source impedance 50 Ω
2
Apr 18, 2000
SAW Components
Low-Loss Filter
B3672
397,5 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
TA = +15 ... +35 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
fN
—
397,5
—
MHz
Nominal frequency
Maximum insertion attenuation
αmax
395,0 MHz ... 400,0 MHz
—
—
2,8
0,6
3,5 dB
Amplitude ripple (p-p)
∆α
395,0 MHz ... 400,0 MHz
1,2 dB
Return loss (Input and Output)
395,0 MHz ... 400,0 MHz
9,5
11,0
—
dB
Absolute attenuation
αabs
45,0 MHz ... 81,5 MHz
40
40
20
25
20
40
20
10
70
60
50
35
40
45
30
12
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
232,0 MHz ... 310,0 MHz
313,5 MHz ... 355,0 MHz
385,0 MHz ... 390,0 MHz
417,5 MHz ... 441,0 MHz
485,0 MHz ... 1045,0 MHz
1045,0 MHz ... 2000,0 MHz
2000,0 MHz ... 4000,0 MHz
TCf
—
– 36
—
ppm/K
Temperature coefficient of frequency
3
Apr 18, 2000
SAW Components
Low-Loss Filter
B3672
397,5 MHz
Data Sheet
Characteristics
Operating temperature range:
Terminating source impedance:
Terminating load impedance:
TA = -25 ... +75 ˚C
ZS = 50 Ω
ZL = 50 Ω
min.
typ.
max.
fN
—
397,5
—
MHz
Nominal frequency
Maximum insertion attenuation
αmax
395,0 MHz ... 400,0 MHz
—
—
3,0
0,9
4,0 dB
Amplitude ripple (p-p)
∆α
395,0 MHz ... 400,0 MHz
2,2 dB
Return loss (Input and Output)
395,0 MHz ... 400,0 MHz
9,5
11,0
35
—
dB
dB
Absolute attenuation
αabs
385,0 MHz ... 390,0 MHz
25
—
—
—
TCf
– 36
ppm/K
Temperature coefficient of frequency
4
Apr 18, 2000
SAW Components
Low-Loss Filter
B3672
397,5 MHz
Data Sheet
Transfer function
Transfer function (pass band; +15 ˚C ... +35 ˚C)
5
Apr 18, 2000
SAW Components
Low-Loss Filter
Data Sheet
B3672
397,5 MHz
Published by EPCOS AG
Surface Acoustic Wave Components Division, OFW E NK
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.
6
Apr 18, 2000
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