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TFS374B Filter specification
型号:   TFS374B
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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File name: Tfs374B.doc
version 2.0
14.10.02
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances
for input:
for output:
23
°C
5 dBm
210
|| -5.2 pF
305
|| -3.4 pF
Filter specification
TFS 374B
1/5
Characteristics
Remark:
The reference level for the relative attenuation arel of TFS374B is the minimum of the pass band attenuation amin. This value 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 given values for the relative attenuation arel and the group delay ripple have to be reached 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.
Data
Insertion loss
(Reference level)
Nominal frequency
Centre frequency
3 dB bandwidth
Relative attenuation
f
N
... f
N
±
MHz ... f
N
±
f
N
± 7
f
N
- 100
f
N
- 33
f
N
- 22
f
N
+ 16,5
f
N
+ 22
f
N
+ 43
MHz
MHz
MHz
MHz
MHz
MHz
ae
f
N
f
C
typ. value
8,7
-
374,000 MHz
23
0,8
-
54
53
40
44
48
49
40
40
MHz
dB
dB
dB
dB
dB
dB
dB
ns
dB
dB
tolerance/limit
max.
10
dB
374,000 MHz
-
min.
max
max
min
min
min
min
min
min
17
1
3
45
40
30
30
35
40
MHz
dB
dB
dB
dB
dB
dB
dB
dB
ns
dB
BW
arel
7
MHz
8,5 MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
... f
N
-
33
... f
N
-
22
... f
N
-
16,5
... f
N
+ 22
... f
N
+ 43
... f
N
+ 100
7
Group delay ripple
in f
N
±
Triple transit suppression
max 100
min
30
Operating temperature range
Storage temperature range
Temperature coefficient of frequency
Input power level
TCf
- 10 °C ... + 85 °C
- 40 °C ... + 85 °C
-94
ppm/K
max
10
-
dBm
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 4784-0 / 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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