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参数资料
| 型号： | TFS248 |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | SAW FILTER |
| 文件页数： | 1/4页 |
| 文件大小： | 295K |
| 代理商： | TFS248 |
_________________________________________________________________________________________________________
SAW filter specification
TFS 248
1/4
_________________________________________________________________________________________________________
Measurement condition
Ambient temperature:
23
°C
Input power level:
-10 dBm
Source impedance:
T.B.D.
Load impedance:
T.B.D.
Construction
see page 2
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 248 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 nominal frequency fN is fixed on 248,45 MHz without
tolerance.
D a t a
typ. value
tolerance / limit
_________________________________________________________________________________________________________
Insertion loss
ae = amin
-
max 5
dB
(Reference level)
_________________________________________________________________________________________________________
Nominal frequency
fN
248,45
MHz
-
_________________________________________________________________________________________________________
Relative attenuation
arel
fN -
25,0
MHz ... fN - 7,4
MHz
-
min 40
dB
fN -
21,6
MHz
-
min 50
dB
fN -
7,4
MHz ... fN -
7,1
MHz
-
min 46
dB
fN -
7,1
MHz ... fN - 1,2
MHz
-
min 40
dB
fN -
1,2
MHz ... fN -
0,6
MHz
-
min 30
dB
fN ±
130
kHz
max 3
dB
fN +
0,6
MHz ... fN + 1,2
MHz
-
min 30
dB
fN +
1,2
MHz ... fN + 21,3
MHz
-
min 40
dB
fN +
21,3
MHz ... fN + 21,8
MHz
-
min 50
dB
fN +
21,8
MHz ... fN + 25,0
MHz
-
min 40
dB
________________________________________________________________________________________________________
Group delay GD
Group delay ripple
fN ± 110 kHz
-
max
1,0
s
_________________________________________________________________________________________________________
Operating temperature range
- 20
°C ... + 70 °C
Storage temperature range
- 30
°C ... + 85 °C
_________________________________________________________________________________________________________
Temperature coefficient of frequency
TCf
- 0,036
ppm/K
-
_________________________________________________________________________________________________________
Frequency inversion temperature
+ 25
°C
_________________________________________________________________________________________________________
www.vectron.com
USA: Vectron International 166 Glover Avenue, Norwalk, CT 06856 Tel: 1-88-VECTRON-1 Fax: 1-888-FAX-VECTRON
EUROPE: In Denmark, Finland, Ireland, Italy, Israel, Norway, Spain, UK: Tel: 44(0) 1703 766 288 Fax: 44 (0) 1703 766 822
In Austria, Belgium, France, Germany, Luxembourg, Netherlands, Sweden, Switzerland: Tel: 49 (0) 72 63 648 0 Fax: 49(0) 72 63 125
ASIA: In China, Taiwan, Japan: Tel: 1-603-598-0075 In Korea, Singapore, Australia, India: Tel: 1-203-853-4433 Fax: 1-203-849-1423
Vectron International 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.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TFS248A | 制造商:VECTRON 制造商全称:Vectron International, Inc 功能描述:Filter specification |
| TFS248B | 制造商:VECTRON 制造商全称:Vectron International, Inc 功能描述:SAW filter specification |
| TFS248C | 制造商:VECTRON 制造商全称:Vectron International, Inc 功能描述:Filter specification |
| TFS248C_04 | 制造商:VECTRON 制造商全称:Vectron International, Inc 功能描述:Application Note |
| TFS248C1 | 制造商:VECTRON 制造商全称:Vectron International, Inc 功能描述:Filter specification |
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