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TFS468C Filter specification
型号:   TFS468C
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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Filename: tfs 468c.doc
Version 1.2
04.11.2005
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
23
0
°C
dBm
Filter specification
TFS 468C
1/5
825
|| -3,6 pF
830
|| -3,7 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 468C is the minimum attenuation in the pass band. The maximum attenuation in the pass
band is defined as the insertion loss ae. The nominal frequency
f
N
is fixed at 468,0 MHz without any tolerance or limit. 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
Passband
Pass band ripple
Relative attenuation
f
N
f
N
f
N
f
N
f
N
f
N
f
N
±
±
±
±
+
-
2,25
3,5
5
10
20
438
… f
N
MHz … f
N
MHz … f
N
MHz … f
N
MHz … f
N
MHz … f
N
MHz … f
N
±
±
±
±
±
+
-
2,25
2,5
5
10
20
532
20
arel
MHz
MHz
MHz
MHz
MHz
MHz
MHz
ae = amin
typ. value
11,0
-
-
0,6
dB
dB
tolerance / limit
max.
14,0
468,0
f
N
± 2,25
max.
1,0
dB
MHz
MHz
dB
f
N
PB
0,6
2,4
20
42
48
60
70
0,45
143
15
-
dB
dB
dB
dB
dB
dB
dB
µs
ns
dB
max.
max.
min.
min.
min.
min.
min.
max.
max.
min.
max.
1
3
15
35
40
50
50
3,0
250
10
15
dB
dB
dB
dB
dB
dB
dB
µs
ns
dB
dBm
Absolute group delay within PB
Group deley ripple within f
N
± 2,5 MHz
Return loss within PB
Input power level
Operating temperature range
Storage temperature range
Frequency inversion temperature
Temperature coefficient of frequency
TCf **
OTR
-
-
30
-0,047
°C
ppm/K
2
- 40 °C ... + 85°C
- 45 °C ... + 85°C
-
*) 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/K
2
) 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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