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参数资料
| 型号： | TFS903 |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 903 MHz, SAW FILTER |
| 文件页数： | 1/5页 |
| 文件大小： | 165K |
| 代理商： | TFS903 |
Filename: tfs 903.doc
Version 1.2
26.07.2004
VI TELEFILTER
Filter specification
TFS 903
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 reference level for the relative attenuation arel of the TFS903 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 nominal frequency fN can be at the frequencies defined below. It will be chosen by the supplier and
is constant within a shipment. The values for relative attenuation are guaranteed at ambient temperature. The frequency shift of the filter over temperature
defined by the temperature coefficient of frequency Tcf is not included in the production tolerance scheme.
D a t a
typ. value
tolerance/limit
Insertion loss
ae
2,2
MHz
max.
4
dB
Nominal frequency
fN
-
903,0
MHz
-
903,25
MHz
-
903,50
MHz
-
903,75
MHz
-
904,0
MHz
-
904,25
MHz
Pass band
PB
-
fN ± 3,25 MHz
Amplitude ripple within
PB
1
dB
max.
2
dB
Relative attenuation
arel
fN - 902
MHz ... fN - 14,25 MHz
33
dB
min.
28
dB
fN - 14,25 MHz ... fN -
9,75 MHz
30
dB
min.
6
dB
fN -
9,75 MHz ... fN -
7,25 MHz
6
dB
min.
3
dB
fN + 4,75 MHz ... fN + 5,75 MHz
4
dB
min.
3
dB
fN + 5,75 MHz ... fN + 6,75 MHz
11
dB
min.
10
dB
fN + 6,75 MHz ... fN + 8,75 MHz
21
dB
min.
16
dB
fN + 8,75 MHz ... fN +395,75 MHz
33
dB
min.
25
dB
Operable temperature range
-
+20 °C ... + 60 °C
Storage temperature range
-
- 40 °C ... + 85 °C
Temperature coefficient of frequency
TCf*
-35
ppm/K
Input power level
-
max.
10
dBm
*) f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz)
Generated:
Checked / Approved:
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