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參數(shù)資料
| 型號： | TFS370 |
| 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, 370 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 67K |
| 代理商： | TFS370 |
Tfs370.doc
VI
TELEFILTER
version 1.3
29.10.2002
Filter Specification
TFS 370 1/5
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances *): for input:
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 370 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 370 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
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
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
°
C
0 dBm
170
// -0,50 pF
170
// -0,50 pF
for output :
typ. value
tolerance/limit
Insertion loss
(Reference level)
ae = amin
2,80
dB
3 dB
Nominal frequency
fN
fc
-
370 MHz
Centre frequency
370
MHz
-
Pass band ripple
(at ambient temperature)
within fN
±
10 MHz
1,5** dB
max.
2 dB**
Relative attenuation
arel
fN
fN -
fN -
fN +
fN +
fN + 127,5 MHz …fN + 152,5 MHz
…fN ± 10 MHz
80 MHz …fN - 100 MHz
35 MHz …fN -
25 MHz …fN + 57,5 MHz
57,5 MHz …fN + 82,5 MHz
1,30
dB
max.
3 dB
60
dB
min.
50 dB
55 MHz
60
dB
min.
30 dB
25
dB
min.
20 dB
60
dB
min.
40 dB
60
db
min.
57 dB
Intermodulation
Input power lewel
IP3
-
min.
20 dBm***
-
max.
10 dBm
Permissible DC voltage
V
DC
-
max.
12 V
Operating temperature range
- 25
°
C ... + 75
°
C
- 40
°
C … + 85
°
C
Storage temperature range
Temperature coefficient of frequency
TCf****
-72
ppm/K
-
*) 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.
**) 2 dB bandwidth (
f
N
±
10 MHz) is guaranteed at ambient temperature (23°C).
***) intermodulation signals:
f
N
+ 1 MHz and f
N
+ 2 MHz, each of 10 dBm
****)
fc(Hz) = Tc
f
(ppm/K) x (T - T
A
) x f
CTA
(MHz)
generated:
checked / approved:
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相關(guān)代理商/技術(shù)參數(shù) |
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| TFS374A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS374B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS374D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS378 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS380A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TELEFILTER |
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