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参数资料
| 型号： | TFS868G |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 868.3 MHz, SAW FILTER |
| 文件页数： | 1/5页 |
| 文件大小： | 53K |
| 代理商： | TFS868G |
TFS868G.doc
Version 1.0
13.01.2004
VI TELEFILTER
SAW Filter Specification
TFS868G
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 impedances*:
input:
63
// -1,50 pF
output: 63
// -1,50 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 868G 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 868,30 MHz without tolerance. The given
values for the relative attenuation arel have to be reached 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
Variation/ Limitation
Insertion loss
ae = amin
3,6
dB
max.
5,5
dB
(Reference level)
Nominal frequency
fN
-
868,30
MHz
Centre frequency
fc
868,30 MHz
3 dB bandwidth
BW
1130
kHz
min. 600
kHz
6 dB bandwidth
BW
1300
kHz
min. 800
kHz
Relative attenuation
arel
fN ...... .... fN ±
300,0 kHz
-
max.
3
dB
fN ± 300,0
kHz .... fN ±
400,0
kHz
-
max.
6
dB
fN -
3,28
MHz .... fN -
18,30
MHz
32
dB
min.
20
dB
fN -
18,30
MHz .... fN -
38,30
MHz
47
dB
min.
32
dB
fN -
38,30
MHz .... fN -
168,30
MHz
47
dB
min.
35
dB
fN - 168,30
MHz .... fN -
858,30
MHz
55
dB
min.
50
dB
fN +
2,70
MHz .... fN +
6,20
MHz
15
dB
min.
11
dB
fN +
6,20
MHz .... fN +
14,7
MHz
30
dB
min.
20
dB
fN + 14,70
MHz .... fN +
31,70
MHz
45
dB
min.
30
dB
fN + 31,70
MHz .... fN +
131,70
MHz
45
dB
min.
35
dB
Temperature coefficient of the frequency
TCf**)
-0,036 ppm/k
2
Frequency inversion temperature
To
25 °C
Operating temperature range
OTR
- 40 °C ... + 85 °C
Storage temperature range
- 45 °C ... + 90 °C
Input power level
max.
0
dBm
*)
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
c(Hz) = Tcf(ppm/K) x (To - TA) x fCAT (MHz)
Generated
:
Checked / approved :
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