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參數資料
| 型號： | TFS70H25 |
| 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, 70 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 68K |
| 代理商： | TFS70H25 |
TFS70H25.doc
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances *:
Remark:
Reference level for the relative attenuation arel of the TFS 70H25 is the insertion loss. The insertion loss ae is defined as the insertion loss at
the nominal frequency fn . 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 temperature coefficient of frequency Tc
f
is valid for both the reference frequency fc and the frequency
response of the filter on the operating temperature
.
D a t a
Insertion loss
ae
(Reference level)
Nominal frequency
fn
Passband
PB
Passband variation
p-p
1 dB bandwidth
BW
3 dB bandwidth
BW
40 dB bandwidth
BW
Relative attenuation
arel
fn ±
0,75 MHz .......
fn ±
1,40 MHz ....... fn ± 2,50 MHz
fn ±
2,50 MHz ....... fn ± 30
MHz
version 1.3
03.01.02
Filter Specification
TFS 70H25 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
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.
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail:
vti@vtinh.com
25
°
C
10 dBm
for input:
for output: 524
// -11,6 pF
385
// -13,4 pF
typ. value
21,8
tolerance/limit
max. 25,0 dB
dB
-
70,0
MHz
fn
±
0,65 MHz
0,45
dB
0,60 dB
1,55
MHz
min.
1,30 MHz
1,72
MHz
min.
1,50 MHz
2,55
MHz
max. 2,80 MHz
max. 3
dB
45
dB
min. 40
dB
52
dB
min. 50
dB
Phase linearity in PB
Group delay variation in PB
3
°
max.
6
°
160
ns
max. 200
ns
Temperature coefficient of frequency ( Tc
f
)
- 0.036
ppm/K2
Frequency deviation of fc over temperature T:
Operating temperature
fc(Hz) = Tc
f
(ppm/K
2
) x (T - T
A
)
2
x f
CAT
(MHz)
25
°C
°
C
Storage temperature range
*)
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.
Generated:
Checked / approved:
- 25..... + 85
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TFS70H25A | 制造商:Vectron International 功能描述: |
| TFS70H26 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS70H26A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS70H28 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS70H29 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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