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參數(shù)資料
| 型號： | TFS1225 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 1225 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 165K |
| 代理商： | TFS1225 |
Filename: tfs 1225.doc
Version 1.4
24.08.2004
VI TELEFILTER
Development specification
TFS 1225
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:
200
Output:
200
Characteristics
Remark:
The minimum attenuation in the pass band is defined as the insertion loss amin. The nominal frequency fN is fixed at 1225 MHz without any tolerance or
limit. The values of absolute attenuation aabs 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
amin
-
max.
3,0
dB
Nominal frequency
fN
-
1225
MHz
Passband
Pass band ripple
-
fN
max.
± 8,4
1,6
MHz
dB
Absolute attenuation
aabs
0,3
MHz ...
1175,0 MHz
-
min.
40
dB
1202,0
MHz ...
1204,5 MHz
-
min.
12
dB
1245,5
MHz ...
1253,9 MHz
-
min.
8
dB
1253,9
MHz ...
1262,0 MHz
-
min.
25
dB
1262
MHz ...
2000
MHz
-
min.
40
dB
Group delay ripple in PB
-
max.
50
ns
Input power level
-
max.
10
dBm
Operating temperature range
OTR
-
10 °C ... + 60 °C
Storage temperature range
-
- 40 °C ... + 85 °C
Temperature coefficient of frequency
TCf *
T.B.D
-
*)
fc(Hz) = Tcf(ppm/K) x (T - To) x fCAT (MHz).
Generated:
Checked / Approved:
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