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TFS433P Filter Specification
型号:   TFS433P
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描述:   Filter Specification
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TFS433P.doc
Version 1.1
05.03.2003
VI TELEFILTER
Measurement condition
Ambient temperature:
23 C
Input power level:
0 dBm
Terminating impedances*:
input: 190
output: 190
Filter Specification
TFS 433P
1/5
// -3,40 pF
// -3,40 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 433P 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 a e. The nominal frequency f
N
is fixed at 433,92 MHz without tolerance. The given
values for the relative attenuation arel have to be reached at the frequencies given below even if the centre frequency f
c
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 f
c
.
Data
Insertion loss
(Reference level)
Nominal frequency
Centre frequency
2 dB bandwidth
3 dB bandwidth
6 dB bandwidth
Relative attenuation
f
N
.... f
N
±
200 kHz
f
N
±
200,0
kHz .... f
N
±
220,0
kHz
f
N
±
220,0
kHz .... f
N
±
280,0
kHz
f
N
1,0 MHz .... f
N
5,92
MHz 16,5
f
N
5,92
MHz .... f
N
19,92 MHz
f
N
19,92
MHz .... f
N
423,92 MHz
f
N
+ 1,0
MHz .... f
N
+ 8,0 MHz
f
N
+ 116,08
MHz .... f
N
+ 566,0 MHz
Temperature coefficient of the frequency
Frequency inversion temperature
Operating temperature range
Storage temperature range
Input power level
arel
f
N
f
c
ae = amin
typ. value
2,60
dB
Variation/ Limitation
max
3,5
dB
-
433,92
700,0
800,0
955,0
-
-
-
dB
42,0
55,0
14,0
60,0
MHz
kHz
kHz
kHz
min
min
min
max
max
max
15,0
min
min
min
min
2
433,92
MHz
400
440
560
2,0
3,0
6,0
dB
40,0
45,0
10,0
45,0
kHz
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
min
dB
dB
dB
dB
ppm/K
°C
TC
f
**)
To
)
-0,040
10
- 25
°C
... + 80
°C
- 45
°C
... + 120
°C
max
10,0
dBm
*) 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.
**) fc(Hz) = Tc
f
(ppm/K²) x (To - T
A
)
²
x f
CAT
(MHz)
Generated
:
Checked / approved :
TELEFILTER GmbH
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
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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