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參數(shù)資料
| 型號(hào)： | TFS398B |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Filter Specification |
| 中文描述： | 1 FUNCTIONS, 398 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 50K |
| 代理商： | TFS398B |
Tfs398B.doc
version 1.0
10.05.2001
VI
TELEFILTER
Filter Specification
TFS 398B 1/5
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail: tft@telefilter.com
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
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
Measurement condition
Ambient temperature T
A
:
Input power level:
Terminating impedances at fc:
23 °C
0
input:
output:
dBm
t.b.d.
t.b.d.
Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 398B
is the minimum of the pass band attenuation
amin
It is defined as the insertion loss
ae
. The centre frequence
fc
is the arithmetic mean value of the upper and lower frequencies at the
1 dB
filter attenuation level relative to the
insertion loss
ae
. The nominal frequency
f
N
is fixed on
398 MHz
without tolerance. The given values for the relative attenuation
arel
and for the
group delay ripple have to be reached at the frequencies given below also 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
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
max.
12,0
dB
*)
Nominal frequency
f
N
-
398,0
MHz
Centre frequency
f
c
398,0
MHz
1 dB Passband width
min.
±
15,0
MHz
Relative attenuation
f
N
f
N
± 13,5 MHz
arel
f
N
± 13,5
f
N
± 15
MHz
MHz
-
-
max.
max.
0,7
1,0
dB
dB
f
N
- 298
f
N
- 88
f
N
- 33
f
N
+ 72
MHz
MHz
MHz
MHz
f
N
-
f
N
- 58
f
N
-
f
N
±602
88
MHz
MHz
MHz
MHz
-
-
-
-
min.
min.
min.
min.
40
45
50
40
dB
dB
dB
dB
30
Phase linearity
max.
4,0
° p-p
Operating temperature range
Temperature coefficient of frequency ( Tc
f
)
***)
Frequency inversion temperature T
o
- 30 °C ... + 70 °C
94 ppm/ K
t.b.d
Input power level:
max.
10,0
dBm
*)
at room temperature
Generated:
Checked/Approved:
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TFS398D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS398E | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS398F | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS398G | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS398H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Filter specification |
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