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參數資料
| 型號： | TFS426 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Filter specfication |
| 中文描述： | 1 FUNCTIONS, 426.4 MHz, SAW FILTER |
| 文件頁數： | 1/4頁 |
| 文件大小： | 53K |
| 代理商： | TFS426 |
tfs426.doc
_____________________________________________________________________________________________________
VI
TELEFILTER
Filter specfication
__________________________________________________________________________________________
version 1.1
04/99
TFS 426 - 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
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances
Construction
see page 2
23
°
C
0 dBm
for input:
for output:
80
|| -2.5 pF.
80
|| -2.5 pF
72 nH
External coil:
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 426 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 426,4 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 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
_____________________________________________________________________________________________________
Nominal Frequency
fN
_____________________________________________________________________________________________________
Insertion Loss
ae (reference level)
typ. Value
Tolerance / Limit
-
426,4
MHz
-
max. 5,5
dB
_____________________________________________________________________________________________________
Pass Band Ripple
fN ± 67,5 kHz
_____________________________________________________________________________________________________
Relative Attenuation
arel
-
max. 1,5
dB
fN ± 80 kHz
fN ± 400 kHz ... fN ± 600 kHz
fN ± 600 kHz ... fN ± 800 kHz
fN ± 800 kHz ... fN ± 1600 kHz
fN ± 1600 kHz ... fN ± 3000 kHz
fN ± 3 MHz ... fN ± 100 MHz
-
-
-
-
-
-
max. 3 dB
min. 15
min. 30
min. 38
min. 42
min. 50
dB
dB
dB
dB
dB
2 x fN
_____________________________________________________________________________________________________
Group Delay Deviation
GDD
fN ± 50 kHz
fN ± 70 kHz
fN ± 100 kHz
_____________________________________________________________________________________________________
Operating Temperature Range
_____________________________________________________________________________________________________
Temperature Coefficient of Frequency
TCf
Frequency Inversion Temperature
To
_____________________________________________________________________________________________________
-
min. 50
dB
-
-
-
max. 1,2
max. 1,5
max. 2,0
μs
μs
μs
- 10 °C ... + 70 °C
- 0,036 ppm/K2
30
-
-
°C
Generated:
Checked / approved:
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相關代理商/技術參數 |
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| TFS426C | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS429 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS430B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS430C | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS430D | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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