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参数资料
| 型号： | TFS282 |
| 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： | 308K |
| 代理商： | TFS282 |
____________________________________________________________________________________________________________
Filter Specification
TFS 282
-
1/4
____________________________________________________________________________________________________________
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.
Measurement condition
Ambient temperature:
23
°C
Input power level:
0 dBm
Terminating impedances
for input:
245 Ohms || -1.6 pF
for output::
245 Ohms || -1.6 pF
ext. Coil:
68nH
Construction and pin configuration
see page 2
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 282 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 282 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 e v e l o p m e n t D a t a
typ. value
tolerance/limit
_________________________________________________________________________________________________________
Insertion loss
ae = amin
4,5
dB
max 5,5
dB
(Reference level)
_________________________________________________________________________________________________________
Nominal frequency
fN
-
282,000
MHz
_________________________________________________________________________________________________________
Pass band ripple
282,0 MHz ±
65
kHz
max
1,5
dB
_________________________________________________________________________________________________________
Relative attenuation
arel
282,0 MHz ±
90
kHz
1,5
dB
max
3
dB
282,0 MHz ± 400
kHz ... 282,0 MHz ± 600
kHz
30
dB
min 25
dB
282,0 MHz ± 600
kHz ... 282,0 MHz ± 800
MHz
45
dB
min 40
dB
282,0 MHz ± 800
kHz ... 282,0 MHz ± 1,4
MHz
50
dB
min 45
dB
282,0 MHz ± 1,4
MHz ... 282,0 MHz ± 78,0
MHz
60
dB
min 50
dB
suppression of spurious resonances within 282,0 MHz -10,0MHz ...282,0 MHz -35,0MHz
min 45
dB
_________________________________________________________________________________________________________
Group delay distortion
GDD
282,0 MHz ± 100
kHz
0,7
s
max 2,0
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
_________________________________________________________________________________________________________
Generated:
Checked / approved:
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