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參數資料
| 型號： | TFS112E |
| 廠商： | Vectron International, Inc. |
| 英文描述： | VI SAW Filter(VI SAW濾波器(輸入電阻:500Ω/-6.9pF,輸出電阻:600Ω/-6.1pF)) |
| 中文描述： | 六聲表面波濾波器（六表面聲波濾波器（輸入電阻：500Ω/-6.9pF，輸出電阻：600Ω/-6.1pF）） |
| 文件頁數： | 1/4頁 |
| 文件大小： | 37K |
| 代理商： | TFS112E |
_________________________________________________________________________________
VI TELEFILTER
Filter specification
_________________________________________________________________________________
Measurement condition
Ambient temperature:
23 °C
Input power level:
0 dBm
Terminating impedances
for input: 500
||
- 6,9 pF
for output:
600
||
- 6,1 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 112 E 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 30 dB filter attenuation level relative to the insertion loss ae.
The nominal frequency is fixed on 112,32 MHz.
D a t a
____________________________________________________________________________________________________
Insertion loss
ae = amin
(reference level)
____________________________________________________________________________________________________
Reference frequency
______________________________________________________112,32 MHz
3 dB bandwidth
BW
10 dB bandwidth
20 dB bandwidth
30 dB bandwidth
40 dB bandwidth
____________________________________________________________________________________________________
Relative attenuation
arel
fc ± 475
kHz
fc ± 475
kHz … fc ± 815 kHz
fc ± 1175
kHz … fc ± 1300 kHz
fc ± 1300
kHz … fc ± 1475 kHz
kHz … fc ± 10 MHz >45
fc ± 1475
Group delay
GD
1,3 μs
Ripple fc ± 800 kHz
Temperature coefficient
**)
____________________________________________________________________________________________________
Frequency inversion temperature
____________________________________________________________________________________________________
Operating temperature range
____________________________________________________________________________________________________
Permissible DC voltage
VDC
Permissible AC voltage
____________________________________________________________________________________________________
*)
f(Hz) = TCf(ppm/K) x
T x fT(MHz)
**)
f(Hz) = TCf(ppm/K2) x (T - To)2 x fTo(MHz)
Generated:
Checked / approved:
——————————————————————————————————————————————
TFS 112 E - 1/4
____________________________________________________________________________________________________
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
typ. value
tolerance / limit
13,5 dB max. 14
dB
± 35
kHz
1040
1720
2160
2440
2620
kHz
kHz
kHz
kHz
kHz
-
-
-
-
-
-
-
-
-
max. 3
max. 10
min. 20
min. 30
dB min. 40
dB
dB
dB
dB
dB
-
150
ns
max 300
ns
- 0,036 ppm/K2
-
+ 40
°C
-
- 20 °C ... + 85 °C
-
12
10
V
V
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