B39241-B3655-U210 [EPCOS]
Low-Loss Filter; 低损耗滤波器
| 型号： | B39241-B3655-U210 |
| 厂家： | 
EPCOS |
| 描述： | Low-Loss Filter |
| 文件： | 总6页 (文件大小：72K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet B3655
SAW Components
Low-Loss Filter
Data Sheet
B3655
248,6 MHz
Ceramic package DCC18
Features
● Low-loss IF filter for DCS base station
● Rx path
● Temperature stable
● Unbalanced or balanced operation
● Ceramic SMD package
Terminals
● Gold plated
Dim. in mm, aprox. weight 0,7 g
Pin configuration
1
Input
6
Output
10
5
3, 8
Input ground
Output ground
Ground
2, 4, 7, 9
Case – ground
Type
Ordering code
Marking and Package
according to
Packing
according to
F61074-V8069-Z000
B3655
B39241-B3655-U210
C61157-A7-A54
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range T
Storage temperature range Tstg
– 25/+ 75
– 40/+ 85
˚C
˚C
DC voltage
Source power
VDC
Ps
0
10
V
dBm
2
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3655
248,6 MHz
Characteristics
Operating temperature:
TA = -5 - 75 ˚C
Terminating source impedance:
Terminating load impedance:
ZS = 50 Ω and matching network
ZL = 50 Ω and matching network
min.
typ.
max.
fN
—
248,6
—
MHz
Nominal frequency
Minimum insertion attenuation
αmin
—
8,3
9,5 dB
(including matching network)
Amplitude ripple (p-p)
∆α
fN ± 95 kHz
—
—
0,4
0,6
1,0 dB
1,5 dB
fN ± 120 kHz
Passband width
αrel ≤ 3,0 dB
B3,0dB 240
410
2,3
—
kHz
Absolute group delay (at fN)
Group delay ripple (p-p)
τ
—
3,0 µs
∆τ
fN ± 95 kHz
—
—
0,3
0,4
0,7 µs
1,0 µs
fN ± 120 kHz
Relative attenuation (relative to αmin
)
αrel
fN ± 0,33 MHz ... fN ± 0,60 MHz
fN ± 0,60 MHz ... fN ± 0,80 MHz
fN ± 0,80 MHz ... fN ± 3,00 MHz
fN − 3,00 MHz ... fN − 105 MHz
fN − 105 MHz ... fN − 120 MHz
fN + 3,00 MHz ... fN + 13 MHz
fN + 13 MHz ... fN + 30 MHz
fN + 30 MHz ... fN ± 105 MHz
fN + 105 MHz ... fN + 120 MHz
11
22
30
48
51
48
43
48
51
18,5
26
36
51
65
51
46
51
56
—
dB
dB
dB
dB
dB
dB
dB
dB
dB
—
—
—
—
—
—
—
—
Temperature coefficient of frequency 1)
Turnover temperature
TCf
T0
—
—
– 0,036
30
—
—
ppm/K2
˚C
1) Temperature dependance of fc: fc(TA) = fc(T0)(1 + TCf(TA – T0)2)
3
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3655
248,6 MHz
Matching network
Cp1 = 22 pF
Ls2 = 22 nH
Ls3 = 22 nH
Cp4 = 22 pF
4
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3655
248,6 MHz
Normalized frequency response
Normalized frequency response (pass band)
5
Apr 04, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3655
248,6 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.
6
Apr 04, 2001
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