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TFS456P Filter specification
型号:   TFS456P
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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Filename: tfs 456p.doc
Version 1.4
08.12.2006
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
23
0
°C
dBm
Filter specification
TFS 456P
1/5
540
|| -3,6 pF
680
|| -3,8 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 456P is the minimum of the pass band attenuation. This value is defined as the insertion
loss ae. The nominal frequency fN is fixed at 456,0 MHz without any tolerance. The values of relative attenuation arel 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
(reference level)
Nominal frequency
Centre frequency
Passband
Pass band ripple
Bandwidth
1
dB
Relative attenuation
f
N
f
N
f
N
±
±
±
1,75
2
20
MHz … f
N
MHz … f
N
MHz … f
N
±
±
±
2
20
192
BW
ae
f
N
f
C
PB
typ. value
8,0
-
456,0
-
0,3
dB
MHz
f
N
dB
tolerance / limit
max.
10,0
456,0
-
±
0,79 MHz
1,0
dB
dB
MHz
max.
1,81
arel
MHz
MHz
MHz
39
45
54
120
320
14
-
OTR
-
-
16
TCf **
- 0,04
MHz
dB
dB
dB
ns
ns
dB
min.
min.
min.
min.
max.
max.
min.
max.
1,58
35
40
50
250
500
10
15
MHz
dB
dB
dB
ns
ns
dB
dBm
Group delay ripple within f
N
± 0,6 MHz
Group delay ripple within PB
Return loss within PB
Input power level
Operating temperature range
Storage temperature range
Frequency inversion temperature
Temperature coefficient of frequency
- 40 °C ... + 85°C
- 45 °C ... + 85°C
°C
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 (T-T
0
)² x fcat(MHz).
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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