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参数资料
| 型号： | TFS390C |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 390 MHz, SAW FILTER |
| 文件页数： | 1/5页 |
| 文件大小： | 171K |
| 代理商： | TFS390C |
Filename: tfs 390c.doc
Version 1.2
18.06.2004
VI TELEFILTER
Filter specification
TFS 390C
1/5
Tele Filter GmbH
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / 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.
Measurement condition
Ambient temperature:
23
°C
Input power level:
0
dBm
Terminating impedance: *
Input:
165 || -4 pF
Output:
165 || -4 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 390C 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 fc 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 at 390,0 MHz without any tolerance. The given values for both the
relative attenuation arel and the group delay ripple have to be achieved at the frequencies given below even if the centre frequency fc 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 fc.
D a t a
typ. value
tolerance/ Limitation
Insertion loss
ae = amin
2,65
dB
max.
3,5 dB
(Reference level)
Nominal frequency
fN
-
390,0 MHz
Centre frequency
fc
390,0
MHz
2 dB bandwidth
BW
655
kHz
min. 260 kHz
3 dB bandwidth
BW
730
kHz
min. 300 kHz
6 dB bandwidth
BW
852
kHz
min. 420 kHz
Relative attenuation
arel
fN
.... fN ± 130
kHz
-
max. 2
dB
fN ± 130
kHz .... fN ± 150 kHz
-
max. 3
dB
fN ± 150
kHz .... fN ± 210 kHz
-
max. 6
dB
fN -
1,2
MHz .... fN -
6,0 MHz
20
dB
min. 15
dB
fN -
6,0
MHz .... fN -
9,0 MHz
42
dB
min. 34
dB
fN -
9,0
MHz .... fN - 20,0 MHz
48
dB
min. 38
dB
fN - 20,0
MHz .... fN - 390,0 MHz
50
dB
min. 42
dB
fN +
1,0
MHz .... fN +
8,0 MHz
25
dB
min. 10
dB
fN +
8,0
MHz .... fN + 116,0 MHz
40
dB
min. 35
dB
fN + 116,0
MHz .... fN + 610,0 MHz
60
dB
min. 45
dB
Input power level
max. 10
dBm
Operating temperature range
- 25 °C ... + 80 °C
Storage temperature range
- 45 °C ... + 120 °C
Frequency inversion temperature
10
°C
Temperature coefficient of the frequency
0,040 ppm/K
*) The terminating impedances depend on parasitics and q-values of matching elements and the board used, and are to be understood as
reference values only. Should there be additional questions do not hesitate to ask for an application note or contact our design team.
**) f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz)
Generated:
Checked / Approved:
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