B3677 [EPCOS]
Low-Loss Filter; 低损耗滤波器
| 型号： | B3677 |
| 厂家： | 
EPCOS |
| 描述： | Low-Loss Filter |
| 文件： | 总7页 (文件大小：103K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
SAW Components
Data Sheet B3677
SAW Components
Low-Loss Filter
Data Sheet
B3677
374,0 MHz
Ceramic package QCC8C
Features
● Low-loss IF filter
● Ceramic SMD package
● Balanced or unbalanced operation
Terminals
● Gold plated
typ. Dimensions in mm, approx. weight 0,1 g
Pin configuration
3
2
7
6
4, 8
1, 5
Input
3
2
7
6
Input or input ground
Output
Output or output ground
Case ground
To be grounded
4,8
Type
Ordering code
Marking and Package
according to
Packing
according to
B3677
B39371-B3677-U310
C61157-A7-A56
F61074-V8070-Z000
Electrostatic Sensitive Device (ESD)
Maximum ratings
Operable temperature range TA
Storage temperature range Tstg
-45 / +85
-45 / +85
˚C
˚C
DC voltage
Source power
VDC
Ps
0
10
V
dBm
2
Feb 07, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3677
374,0 MHz
Characteristics
Operating temperature:
TA = -10 ... 80 ˚C
Terminating source impedance:
Terminating load impedance:
ZS = 50 Ω unbalanced and matching network
ZL = 50 Ω unbalanced and matching network
min.
typ.
max.
fN
—
374,00
—
MHz
Nominal frequency
Minimum insertion attenuation
αmin
—
8,5
10,0 dB
(including matching network)
Bandwidth
αrel ≤ 3 dB
fN ± 7 MHz
fN ± 7 MHz
B3dB
∆α
17
—
—
30
22
0,5
40
40
—
1
MHz
Amplitude ripple (p-p)
Group delay ripple (p-p)
Triple transit suppression
dB
ns
∆τ
100
—
dB
Relative attenuation (relative to αmin
)
αrel
fN − 16,5 MHz ... fN − 22 MHz
fN − 22 MHz ... fN − 33 MHz
fN − 33 MHz ... fN − 150 MHz
fN + 16,5 MHz ... fN + 18 MHz
fN + 18 MHz ... fN + 22 MHz
fN + 22 MHz ... fN + 48 MHz
fN + 48 MHz ... fN + 80 MHz
fN + 80 MHz ... fN + 150 MHz
30
40
48
20
30
38
40
48
42
45
52
38
42
44
45
55
—
—
—
—
—
—
—
—
dB
dB
dB
dB
dB
dB
dB
dB
Adjacent channel suppression
average attenuation relative to αmin
fN − 16,5 ... fN − 33,5 MHz
αrel
40
40
64
56
—
—
dB
dB
fN + 16,5 ... fN + 33,5 MHz
TCf
—
– 87
—
ppm/K
Temperature coefficient of frequency
3
Feb 07, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3677
374,0 MHz
Matching network (element values may depend on pcb layout)
50 Ω unbalanced:
Ls1 = 27 nH
Lp2 = 47 nH
Lp3 = 47 nH
Ls4 = 27 nH
250 Ω balanced:
Lp1 = 24 nH (e.g. Coilcraft 0603CS-24NX_BC)
Lp2 = 24 nH
4
Feb 07, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3677
374,0 MHz
200 Ω balanced:
Lp1 = 27 nH
Lp2 = 22 nH
5
Feb 07, 2001
SAW Components
Low-Loss Filter
B3677
374,0 MHz
Data Sheet
Transfer function:
Transfer function (pass band):
6
Feb 07, 2001
SAW Components
Low-Loss Filter
Data Sheet
B3677
374,0 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.
7
Feb 07, 2001
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