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參數資料
| 型號： | TFS350A |
| 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, 350 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 178K |
| 代理商： | TFS350A |
TFS350A.doc
TELEFILTER
VI
Measurement condition
Ambient Temperature:
Input Power Level:
Terminating Impedance at fc*:
.
Characteristics
Remark:
The reference level for the relative attenuation arel of TFS 350A is the minimum of the pass band attenuation amin. This minimum is defined as the
insertion loss ae. The nominal frequency fN is fixed at 350 MHz without any tolerance. 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.
D a t a
Insertion Loss
(Reference Level)
Nominal Frequency
fN
Pass Band
PB
Amplitude Ripple within PB
Return loss in PB
Group Delay Variation within PB
Relative Attenuation
arel
fN
... fN ±
3,5 MHz
fN ±
7,7 MHz ... fN ±
30
MHz
fN ±
30
MHz ... fN ± 350
MHz
Operating Temperature Range
version 1.4
12.05.04
Filter Specification
TFS 350A
1/5
TELEFILTER 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
input:
266
// -6,4 pF
246
// -6,4 pF
output:
typ. Value
frequency in MHz
22,2 dB
max. 25,0 dB
-
350,0 MHz
-
-
fN
±
3,5 MHz
max.
0,5 dB p-p
14
dB
-
25
ns
max. 30
ns
0,4 dB
48
60
max.
min. 40
min. 50
0,7 dB
dB
dB
dB
dB
-
-40...
+85 ° C
Storage Temperature Range
-
-55... +85
° C
Turnover temperature
T
o
Temperature Coefficient of frequency
TC
f
**
*) 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 fTo(MHz)
Generated:
Checked / Approved:
Filter characteristic
20
°C
-
-
- 0,036 ppm / K
2
338
341
344
347
frequency in MHz
350
353
356
359
362
365
-100
-90
-70
-40
-30
-20
354
-1
-5
-4
-3
-2
g
-10
-9
-7
0
g
0.872
0.89
0.926
350 350.8 351.6 352.4 353.2
0.962
0.98
0.998
1.016
1.034
1.052
y
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| TFS350B | Filter specification |
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| TFS350D | Filter specification |
| TFS35A | Filter specification |
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TFS350B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS350C | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS350D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS350E | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS35A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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