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參數資料
| 型號： | TFS429 |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 429.2 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數： | 1/5頁 |
| 文件大小： | 156K |
| 代理商： | TFS429 |
Filename: tfs 429.doc
Version 1.3
22.11.2005
VI TELEFILTER
Filter specification
TFS 429
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:
230 || -2,6 pF
Output:
230 || -2,6 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 429 is the minimum of the pass band attenuation. This value is defined as the insertion loss
ae. The nominal frequency fN is fixed at 429,20 MHz without any tolerance. The values of relative attenuation arel are guaranteed for the whole operating
temperature range. The frequency shift of the filter in the operating temperature range is included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion loss
ae = amin
1,5
dB
max.
3,0
dB
(reference level)
Nominal frequency
Centre frequency
fN
fC
-
429,20
MHz
429,20
-
MHz
Passband
PB
-
f
N ± 6,25
kHz
Pass band ripple
p-p
0,1
dB
max.
1,0
dB
Relative attenuation
arel
f
N
-
6,25
kHz
… f
N
+
6,25
kHz
0,1
dB
max.
1,0
dB
f
N
-
419,20
MHz … f
N
-
4,20
MHz
58
dB
min.
40
dB
f
N
-
4,20
MHz … f
N
-
1,70
MHz
43
dB
min.
25
dB
f
N
+
2,30
MHz … f
N
+
3,80
MHz
53
dB
min.
30
dB
f
N
+
3,80
MHz … f
N
+
8,80
MHz
36
dB
min.
25
dB
f
N
+
8,80
MHz … f
N
+
70,80
MHz
50
dB
min.
35
dB
Input power level
-
max.
10
dBm
Operating temperature range
OTR
-
- 40 °C ... + 85°C
Storage temperature range
-
- 45 °C ... + 85°C
Frequency inversion temperature
24
°C
Temperature coefficient of frequency
TCf **
-0,034
ppm/K
2
-
*) 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
2) x (T-T0)2 x fcat(MHz).
Generated:
Checked / Approved:
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