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参数资料
| 型号： | TFS644 |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 644.5313 MHz, SAW FILTER |
| 封装： | ROHS COMPLIANT PACKAGE-8 |
| 文件页数： | 2/5页 |
| 文件大小： | 159K |
| 代理商： | TFS644 |
Filename: tfs 644.doc
Version 1.2
19.05.2006
VI TELEFILTER
Filter specification
TFS 644
2/5
Tele Filter GmbH
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: tft@telefilter.com
VI TELEFILTER reserves the right to make changes to the product(s) and/or information contained herein without notice. No liability is
assumed as a result of their use or application. No rights under any patent accompany the sale of any such product(s) or information.
Filter characteristic
Construction and pin connection
(All dimensions in mm)
1
2
3
5
6
7
4
8
1,
2
M
a
x.
0,6
3,
0+
/-
0
,1
5
0,6
1,5
0,6
60
G
rd
.
13
7
5
Date code
150 Test circuit
L1
SAW
L2
2
6
1, 3, 4, 5, 7, 8
644
● U20
1
Ground
2
Input
3
Ground
4
Ground
5
Ground
6
Output
7
Ground
8
Ground
Date code:
Year + week
U
2006
V
2007
W
2008
...
200
400
600
800
1000
1200
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
0
frequency in MHz
m
agni
tu
de
in
dB
635
640
645
650
655
-10
-9
-8
-7
-6
-5
-4
-3
-2
-1
0
frequency in MHz
m
agni
tu
de
in
dB
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