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TFS433U Datasheet(PDF) 1 Page - Vectron International, Inc

Part # TFS433U
Description  Filter specification
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Manufacturer  VECTRON [Vectron International, Inc]
Direct Link  http://www.vectron.com
Logo VECTRON - Vectron International, Inc

TFS433U Datasheet(HTML) 1 Page - Vectron International, Inc

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Filename: tfs 433u.doc
Version 3.0
18.08.2005
VI TELEFILTER
Filter specification
TFS 433U
1/5
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
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedances *): input:
120 Ω// -5,0 pF
output:
120 Ω// -5,0 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 433U 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 fc 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 at 433,92 MHz without any tolerance. The given values for both the
relative attenuation arel and the group delay ripple have to be achieved at the frequencies given below even if the centre frequency fc 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 fc.
D a t a
typ. value
tolerance / limit
Insertion loss
ae = amin
2,0
dB
max.
3,0
dB
(reference level)
-
-
Nominal frequency
fN
433,92
MHz
433,92 MHz
Centre frequency
fC
433,92
MHz
-
3 dB bandwidth
685
MHz
min.
640
kHz
-
max.
760
kHz
Relative attenuation
arel
433,76
MHz
434,08
MHz
0,45
dB
max.
2,0
dB
433,74
MHz
434,10
MHz
0,60
dB
max.
3,0
dB
433,70
MHz
434,14
MHz
0,77
dB
max.
6,0
dB
10,00
MHz
414,00
MHz
60
dB
min.
55
dB
414,00
MHz
424,50
MHz
52
dB
min.
48
dB
424,50
MHz
431,72
MHz
45
dB
min.
31
dB
431,72
MHz
432,12
MHz
48
dB
min.
39
dB
432,12
MHz
433,10
MHz
20
dB
min.
8
dB
434,92
MHz
442,00
MHz
13
dB
min.
10
dB
442,00
MHz
550,00
MHz
44
dB
min.
36
dB
550,00
MHz
700,0
MHz
64
dB
min.
55
dB
700,00
MHz
805,00
MHz
50
dB
min.
40
dB
805,00
MHz
… 1000,00 MHz
75
dB
min.
60
dB
Input power level
-
max.
10
dBm
Permissible DC voltage
-
max.
6
V
Operable temperature range
-
- 45 °C ... + 120°C
Operating temperature range
OTR
-
- 40 °C ... + 95°C
Storage temperature range
-
- 45 °C ... + 130°C
Frequency inversion temperature
T0
30
°C
Temperature coefficient of frequency
TCf **
-0.033
ppm/K
2
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as reference values
only. Should there be additional questions, do not hesitate to ask for an application note or contact our design team.
**)
∆f(Hz) = TCf(ppm/K²) x (T0-T)² x fCAT(MHz).
Generated:
Checked / Approved:
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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