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TFS895 Filter specification
型号:   TFS895
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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Filename: tfs 895.doc
Version 1.2
11.07.2006
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance:
Input:
Output:
23
0
50
50
°C
dBm
Filter specification
TFS 895
1/5
Characteristics
Remark:
The maximum attenuation in the pass band is defined as the insertion loss ae. The nominal frequency
f
N
is fixed at 895,5 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.
Data
Insertion loss
Insertion loss at ambient temperature
Nominal frequency
Passband
Pass band variation
Pass band variation at ambient temperature
Absolute attenuation
0,3
925
925
935
2000
MHz
MHz
MHz
MHz
MHz
... 856
… 935
… 935
… 2000
… 3660
MHz
MHz
MHz
MHz
MHz
aabs
f
N
PB
ae
typ. value
2,2
2,0
-
45
1,5
1,2
MHz
dB
dB
f
N
dB
dB
tolerance / limit
max.
max.
2,7
2,2
895,5
±
19,5
1,9
1,5
dB
dB
MHz
MHz
dB
dB
max.
max.
at ambient temperature
20
15
35
23
10
2,5 : 1
-
dB
dB
dB
dB
dB
min.
min.
min.
min.
min.
max.
max.
17
4
6
20
5
3,0 : 1
20
dB
dB
dB
dB
dB
VSWR within PB
Input power level
Operating temperature range
Storage temperature range
Temperature coefficient of frequency
*)
f(Hz) =TC
f
(ppm/K) x(T-T
0
) x f
To
(MHz)
TCf *
OTR
dBm
-
-
- 43
ppm/K
- 30 °C ... + 80°C
- 40 °C ... + 85°C
-
Generated:
Checked / Approved:
Tele Filter GmbH
Potsdamer Straße 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.
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