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參數資料
| 型號： | TFS455A1 |
| 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, 455 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 113K |
| 代理商： | TFS455A1 |
Filename: tfs455A1.doc
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS455A1 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 ae. The nominal frequency fN is fixed at 455,0 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 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.
D a t a
Version 1.0
30.09.2003
Filter specification
TFS455A1
1/5
Tele Filter GmbH
Potsdamer Strae 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.
23
0
°C
dBm
50
50
typ. value
tolerance / limit
Insertion Loss
(reference level)
ae
1,35
-
dB
2,8
-
dB
Nominal Frequency
Centre Frequency
f
N
f
C
-
455,0
MHz
455
MHz
-
Passband
at 23°C
PB
2,8 dB
7,8
MHz
min.
5
MHz
Relative Attenuation
arel
f
N
f
N
f
N
f
N
Operating Temperature Range
Storage Temperature Range
Temperature Coefficient of Frequency
-
-
+
+
10,0 MHz … f
N
105
MHz … f
N
8,0 MHz … f
N
12,5 MHz … f
N
-
-
+
+
105
454,7 MHz
12,5 MHz
1545
MHz
39
40
42
40
dB
dB
dB
dB
min.
min.
min.
min.
- 10 °C ... + 85 °C
25
30
30
25
dB
dB
dB
dB
MHz
OTR
-
-
- 45 °C ... + 90 °C
TCf **
-32
ppm/K2
-
Input Power Level
-
max.
25
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.
**)
f(Hz) = TCf(ppm/K) x (T-T
0
)2 x fTo(MHz).
Generated:
Checked / Approved:
相關PDF資料 |
PDF描述 |
|---|---|
| TFS455A | Filter specification |
| TFS455B | Filter specification |
| TFS455D | Filter specification |
| TFS456B | Filter Specification |
| TFS456C | Filter Specification |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TFS455B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS455D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS456 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS456A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS456AH | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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