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參數資料
| 型號： | TFS868 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Development specification |
| 中文描述： | 1 FUNCTIONS, 868.39 MHz, SAW FILTER |
| 文件頁數： | 1/8頁 |
| 文件大小： | 50K |
| 代理商： | TFS868 |
____________________________________________________________________________________________________
__
____________________________________________________________________________________________________
__
____________________________________________________________________________________________________
__
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
0075
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.
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-
E-Mail: vti@vtinh.com
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances:
23
°
C
0 dBm
input:
output: T.B.D
T.B.D
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 868 is the minimum of the pass band attenuation amin. The minimum of the pass
band attenuation amin is defined as the insertion loss ae. The centre frequency fc is the arithmetic mean value of the upper and lower
frequencies
3 dB filter attenuation level relative to the insertion loss ae. The nominal frequency f
N
is fixed on 868,39 MHz without tolerance. The given
values for the relative attenuation arel have to be reached at the frequencies given below also if the centre frequency f
c
is shifted due to the
temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the centre frequency f
c
. The
values in brackets are to be guaranteed at ambient temperature (23 °C).
at
the
D a t a
____________________________________________________________________________________________________
__
Insertion loss
ae = amin
(Reference level)
____________________________________________________________________________________________________
__
Nominal frequency
f
______________________________________________________-
__
Centre frequency
f
________________________________________________868,39
__
3 dB bandwidth
BW
6 dB bandwidth
BW
____________________________________________________________________________________________________
__
Relative attenuation
arel
f
N
......
.... f
N
- 390,0
kHz
f
N
......
.... f
N
+ 210,0
kHz
(f
N
......
.... f
N
± 390,0
kHz
f
N
- 390,0
kHz .... f
N
+ 310,0
kHz
(f
N
± 390,0
kHz .... f
N
± 490,0
kHz
typ. value
Variation/ Limitation
-
max.
4,7 dB (4,2
dB)
868,39
MHz
MHz
-
-
min.
min.
600 kHz (780
800 kHz (980
kHz)
kHz)
-
-
-
-
-
max.
max.
max.
max.
max.
2
2
2
6
6
dB
dB
dB)
dB
dB)
f
N
-
(f
N
- 3,19
f
N
– 18,39
f
N
– 38,39
f
N
–168,39
f
N
+
f
N
+
f
N
+ 14,61
f
N
+ 31,61
3,37
MHz .... f
N
- 18,39
MHz .... f
N
- 18,39
MHz .... f
N
– 38,39
MHz .... f
N
-168,39
MHz .... f
N
-858,39
MHz .... f
N
+ 6,11 MHz
MHz .... f
N
+ 14,61
MHz .... f
N
+ 31,61
MHz .... f
N
+ 131,61MHz
MHz
MHz
MHz
MHz
-
-
min.
min.
-
min.
-
min.
min.
min.
min.
25
25
min. 32
35
dB
dB)
dB
-
dB
min. 50
dB
dB
dB
dB
MHz
dB
2,61
6,11
-
-
-
-
11
22
30
35
MHz
MHz
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相關代理商/技術參數 |
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| TFS868_05 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS868A1 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS868B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Preliminary specification |
| TFS868C | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS868D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
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