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TFS1237 Filter specification
型号:   TFS1237
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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Filename: tfs 1237.doc
Version 1.3
14.11.2006
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance:
Input:
Output:
23
0
50
50
°C
dBm
Filter specification
TFS 1237
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 1237 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
Nominal frequency
Passband
Pass band ripple
Absolute attenuation
1
100
1000
1297
1338
MHz
MHz
MHz
MHz
MHz
...
...
...
...
...
100
1000
1177
1338
2000
MHz
MHz
MHz
MHz
MHz
aabs
ae
f
N
PB
typ. value
2,0
-
-
0,5
dB
f
N
dB
tolerance / limit
max.
4
1237
±
20
1,75
dB
MHz
MHz
dB
max.
37
28
34
47
33
6
OTR
-
-
TCf *
-70
-
dB
dB
dB
dB
dB
ns
min.
min.
min.
min.
min.
max.
30
25
30
25
30
10
dB
dB
dB
dB
dB
ns
Group delay ripple within PB
Operating temperature range
Storage temperature range
Temperature coefficient of frequency
Input power level
*)
∆f
c(Hz) = Tc
f
(ppm/K) x (T - T
o
) x f
CAT
(MHz).
- 40 °C ... + 85 °C
- 40 °C ... + 90 °C
ppm/K
max.
-
17
dBm
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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