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參數資料
| 型號： | TFS117 |
| 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(輸入阻抗:TBD,輸出阻抗:TBD)) |
| 中文描述： | 1 FUNCTIONS, 117.4 MHz, SAW FILTER |
| 文件頁數： | 1/2頁 |
| 文件大小： | 27K |
| 代理商： | TFS117 |
___________________________________________________________________________________________________
____________________________________________________________________________________________________
Measurement condition
Ambient temperature:
23 °C
Input power level (max):
0
dBm
Terminating impedances at fc:
input
T.B.D
output
T.B.D
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 117 is the minimum of the pass band attenuation amax. The maximum of the pass band
attenuation amax is defined as the insertion loss ae. The centre frequency fc is the arithmetic mean value of the upper and lower frequencies at the
3dB filter attenuation level relative to the insertion loss ae. The nominal frequency f
is fixed on 117,40 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 also 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
ae
(Reference level)
____________________________________________________________________________________________________
Nominal frequency
____________________________________________________________________________________________________
Pass band ripple
within f
± 90 kHz
____________________________________________________________________________________________________
Centre frequency
____________________________________________________________________________________________________
Relative attenuation
arel
f
N
kHz
f
N
±
90
kHz ... f
N
± 200
kHz
f
N
±
1,8 MHz ...
N
±
6,0 MHz
f
N
±
6,0 MHz ...
N
± 30,0 MHz
f
N
+
30,0 MHz ...
N
± 200,0 MHz
______________________________________________________________________________ ______________________
Group delay
f
N
Group delay ripple
f
± 90
kHz
____________________________________________________________________________________________________
Temperature coefficient of frequency
(
TCf
) *)
Operating temperature range
____________________________________________________________________________________________________
Input power level :
____________________________________________________________________________________________________
*)
fc(Hz) = Tc
f
(ppm/K) x (T - T
o
) x f
CAT
(MHz)
Generated:
Checked / approved:
____________________________________________________________________________________________________
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-52 / Fax: (+49) 3328 4784-30 Tel: (603) 598-0070 Fax: (603) 598-0075
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
E-Mail: vti@vtinh.com
typ. value
tolerance / limit
max.
8
dB
-
117,4 MHz
-
max
1
dB
117,4 MHz
... f
N
± 90
-
-
-
-
-
max
max
min.
min
min
1
3
dB
dB
dB
dB
dB
20
35
20
max.
max.
1
1
μs
μs
- 18
- 10 °C ... + 85 °C
ppm/K
max
10
dBm
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