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參數資料
| 型號： | TFS140 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | VI SAW濾波器(VI SAW Filter) |
| 中文描述： | 1 FUNCTIONS, 140.01 MHz, SAW FILTER |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 40K |
| 代理商： | TFS140 |
tfs 140.doc
VI TELEFILTER
Version 2.1
11.09.2000
Filter Specification
TFS 140 - 1/4
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
1. Measurement condition :
Ambient temperature
T
A
:
Input power level:
Terminating impedances at fc:
Q-value of matching elements:
2. Characteristics :
Remark:
Reference level for the relative attenuation
arel
of the
TFS 140
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
f
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
23 °C
0 dBm.
for input:
for output:
50
1140
- 6,17 pF.
1160
- 5,3 pF.
(typical value )
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
22,5 dB
max. 24 dB
Centre frequency
fc
at ambient temperature T
A
(
f
CAT
)
140,01 MHz
140 ± 0,1 MHz
Pass band
at ambient temperature T
A
:
( PB )
f
C
- 3,0 MHz.....f
C
+ 3,0 MHz
Amplitude ripple (p-p):
f
C
... f
C
± 2,6 MHz
f
C
± 2,6 MHz f
C
± 2,8 MHz
0,5 dB
0,7 dB
max. 1,0 dB
max. 1,0 dB
Bandwidth
at ambient temperature
:
1,0 dB - band width
3 dB - band width
20 dB - band width
40 dB - band width
45 dB - band width
5,76 MHz
6,24 MHz
6,30 MHz
7,95 MHz
8...8,6 MHz
min. 5,6 MHz
min. 6,0 MHz...max.6,4 MHz
max. 8,2 MHz
max. 9,0 MHz
Relative attenuation
arel
f
C
± 2,8
f
C
± 3,0
f
C
± 4,1
f
C
± 4,5
f
C
± 12
f
C
- 12
f
C
+ 75
f
C
+ 130 MHz
f
C
+ 460 MHz
max.
max.
min.
min.
min.
min.
min.
min.
1 dB
3 dB
3 dB
40 dB
45 dB
50 dB
50 dB
47 dB
f
C
f
C
± 2,8
f
C
± 3,2
f
C
± 4,1
f
C
± 4,5
f
C
- 65
f
C
+ 12
f
C
+ 75
f
C
+ 130 MHz
............
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
-
dB
dB
45 dB
.....
.....
.....
.....
.....
.....
.....
.....
48...53 dB
75...55 dB
55...75 dB
48...50 dB
70 dB
Group delay ( mean value in PB ):
Group delay ripple in PB (p-p):
Deviation from linear phase in PB band (p-p):
1,84 μs
50...60 ns
4..4,5 ° (r.m.s. 1,3°)
max. 2,0 μs
max. 80 ns
VSWR (S11) / (S22) in PB :
Triple transit attenuation compared to main signal
Crosstalk
( 2 : 1 ) / ( 2 : 1 )
49 dB
55...60 dB
Frequency inversion temperature ( T
o
)
Temperature coefficient of frequency ( Tc
f
)
Frequency deviation of fc over temperature: * )
25° C
-0,045
ppm/K2
fc(Hz) = Tc
f
(ppm/K) x (T - T
o
)2 x
f
To
(MHz)
Operating temperature range
Storage temperature range
- 25 °C ... + 80 °C
- 40 °C ... + 85 °C
* ) f
To
is reference frequency
fc
at frequency inversion temperature (
T
o
)
Generated:
Checked/Approved:
Dunzow W.P.
Dr. Bert Wall
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| TFS140A2 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
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