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參數資料
| 型號： | TFS140G |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | VI SAW Filter(VI SAW 濾波器(終端阻抗:TBM,源阻抗:50Ω/負載阻抗:50Ω)) |
| 中文描述： | 1 FUNCTIONS, 140 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 65K |
| 代理商： | TFS140G |
tfs140G.doc
VI TELEFILTER
Version 1.2
13.09.2000.
1
/
5
Development Specification
TFS 140G
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-52 / 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
1. Measurement condition
Ambient temperature T
A
:
Input power level:
Terminating impedances in fc:
Source Impedance:
Load Impedance:
2. Characteristics
Remark:
Reference level for the relative attenuation
arel
of the
TFS 140G
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 reference 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
is valid both for the reference frequency
fc
and the frequency response of the filter in the operating temperature range. The frequency shift of the filter in the operating temperature range is
not included in the production tolerance scheme.
Data
25
0
for input:
for output:
50 Ohm
50 Ohm
°C.
dBm.
T.B.M.
T.B.M.
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
max. 20 dB
Centre frequency
fc
at ambient temperature
(f
CTA
)
140,01 MHz
140 ± 0,06 MHz
Pass band ( PB )
at ambient temperature
:
fc - 0,85 MHz ... fc + 0,85 MHz
Relative attenuation
arel
-
-
-
-
-
-
-
max.
min.
min.
max. 3,0 μs
max. 350 ns
max.
-
3 dB
40 dB
45 dB
Group delay ( mean value in PB ):
Group delay ripple in PB (p-p):
Deviation from linear phase in PB (p-p):
fc
fc ± 1,3
fc ± 2,3
MHz
MHz
fc ± 0,85 MHz
fc ± 2,3
fc ± 40
MHz
MHz
± 5°
Input / Output VSWR (S11) / (S22) in pass band :
Triple transit attenuation compared to main signal
-
-
max.
min.
2 : 1
40 dB
Substrate material
Frequency inversion temperature ( T
o
) :
Temperature coefficient of frequency ( Tc
f
) :
Frequency deviation of fc over temperature :
Quartz
T.B.M.
-0.036..ppm/K2
fc(Hz) = Tc
f
(ppm/K) x (T - T
o
)2 x f
To
(MHz)
Operating temperature range
0 °C ... 70 °C
Storage temperature range
- 40 °C ... + 85 °C
* ) f
To
is reference frequency
fc
at frequency inversion temperature (
T
o
)
Generated:
Checked/Approved:
A Jaffer
Dr. Bert Wall
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相關代理商/技術參數 |
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| TFS140G1 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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| TFS140K | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS140L | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Preliminary specification |
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