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參數(shù)資料
| 型號： | TFS471D |
| 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, 471.55 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/4頁 |
| 文件大小： | 52K |
| 代理商： | TFS471D |
______________________________________________________________________________________________________
______________________________________________________________________________________________________
______________________________________________________________________________________________________
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
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances:
23
°
C
0 dBm
input:
output:
50
50
Construction and pin connection (see page 2)
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 471 D 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 centre frequency fo 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 nominal frequency fN is fixed on 471,55 MHz without tolerance. The given values for
the relative attenuation arel have to be reached at the frequencies given below also if the centre frequency fo 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 fo.
D a t a
______________________________________________________________________________________________________
Insertion loss
ae = amin
(Reference level)
______________________________________________________________________________________________________
Nominal frequency
______________________________________________________________________________________471,55 MHz
Centre frequency
______________________________________________________471,55 MHz
1 dB - bandwidth
______________________________________________________________________________________________________
Relative attenuation
arel
typ. value
Variation/ Limitation
2,5 dB
max.
3,5
dB
-
min. 200 kHz
f
N
± 21
f
N
± 41
f
N
± 42
MHz
MHz
MHz ... f
N
±
65
70
65
dB
dB
dB
min.
min.
min.
55
65
55
dB
dB
dB
51 MHz
______________________________________________________________________________________________________
Input power level
______________________________________________________________________________________________________
Temperature coefficient of the frequency
______________________________________________________________________________________________________
Operating temperature range
______________________________________________________________________________________________________
-
max. + 10
dBm
-36,1
ppm/K
- 10 °C ... + 60 °C
Generated
:
Checked / approved :
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