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參數資料
| 型號： | TFS452A |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 452.5 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 97K |
| 代理商： | TFS452A |
File name : TFS452A.doc
version 1.2
21.01.2004
VI TELEFILTER
Filter Specification
TFS 452A
1/5
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.
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedance:
Input:
50
Output:
50
Characteristics
Remark:
The maximum attenuation in the pass band is defined as the insertion loss ae. The nominal frequency fN is fixed at 452,5 MHz without any tolerance or limit.
The values of absolute attenuation arel are guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating
temperature range is included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion loss
ae
1,1
dB
max.
3,0
dB
Nominal frequency
fN
452,5
MHz
452,5
MHz
Passband -3dB at 23°C
Passband ripple
PB
8,7
0,3
MHz
dB
fN
max.
± 2,5
1,5
MHz
dB
Absolute attenuation
aabs
300
MHz ...
347,5 MHz
32
dB
min.
30
dB
347,5
MHz ...
442,5 MHz
29
dB
min.
25
dB
460
MHz ...
465
MHz
44
dB
min.
30
dB
465
MHz ...
2000 MHz
31
dB
min.
25
dB
Operating temperature range
OTR
-
- 10 °C ... + 85 °C
Storage temperature range
-
- 40 °C ... + 85 °C
Temperature coefficient of frequency
TCf *
-35,1
ppm/K
-
Input power level
-
max.
25
dBm
VSWR
in PB
1,6:1
max.
2,1:1
*)
fc(Hz) = Tcf(ppm/K) x (T - To) x fCAT (MHz).
Generated:
Checked / approved:
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