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TFS433C Filter specification
型号:   TFS433C
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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tfs433C.doc
version 1.2
06.01.02
______________________________________________________________________________________________________
VI TELEFILTER
Filter specification
TFS 433 C 1/4
______________________________________________________________________________________________________
Measurement condition
Ambient temperature:
23
°C
Input power level:
0 dBm
Terminating impedances:
input:
50
output:
50
Construction and pin connection (see page 2)
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 433 C 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 centre frequency fo is the arithmetic mean value of the upper and lower frequencies at the
3 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 433,92 MHz without tolerance. The given values for
the relative attenuation arel have to be reached at the frequencies given below also if the centre frequency fo is shifted due to the temperature
coefficient of frequency TCf in the operating temperature range and due to a production tolerance for the centre frequency fo.
Data
______________________________________________________________________________________________________
ae = amin
max.
3,5 dB
Insertion loss
2,5 dB
(Reference level)
______________________________________________________________________________________________________
f
N
Nominal frequency
433,92 MHz
______________________________________________________________________________________________________
f
0
Centre frequency
433,92 MHz
______________________________________________________________________________________________________
typ. value
Variation/ Limitation
8,5 MHz
min.
4
MHz
BW
3 dB - bandwidth
______________________________________________________________________________________________________
Relative attenuation
arel
f
N
± 25
MHz ... f
N
±100 MHz
70
dB
min. 40
dB
MHz ... f
N
±200 MHz
70
dB
min. 60
dB
f
N
± 100
70
dB
min. 60
dB
f
N
- 10,7 MHz
______________________________________________________________________________________________________
-32
ppm/K
-
TC
f
Temperature coefficient of the frequency
______________________________________________________________________________________________________
Operating temperature range
- 15 °C ... + 60 °C
______________________________________________________________________________________________________
Generated
:
Checked / approved :
______________________________________________________________________________________________________
VI TELEFILTER
Vectron International, Inc.
Potsdamer Straße 18
267 Lowell Road
D 14 513 TELTOW / Germany
Hudson, NH 03051 / USA
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail: tft@telefilter.com
E-Mail: vti@vtinh.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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