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參數(shù)資料
| 型號(hào)： | TFS434D |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 434.42 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 158K |
| 代理商： | TFS434D |
Filename: tfs 434d.doc
Version 1.2
24.04.2006
VI TELEFILTER
Filter specification
TFS 434D
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:
240 || -2,5 pF
Output:
240 || -2,5 pF
Characteristics
Remark:
The nominal frequency fN is fixed at 434,42 MHz. The insertion loss ae is defined as loss value determined at fN. Reference level for the relative
attenuation arel of the TFS 434D is 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. All specified data are met within the operating temperature range.
D a t a
typ. value
tolerance / limit
Insertion loss
ae = amin
1,8
dB
max.
3,0
dB
(reference level)
Nominal frequency
Centre frequency 3dB
fN
fC
-
434,46
MHz
434,42
-
MHz
Passband
PB
-
f
N
± 0,16 MHz
Relative attenuation
arel
f
N
-
0,16
MHz … f
N
+
0,16
MHz
0,7
dB
max.
2
dB
f
N
-
0,18
MHz … f
N
+
0,18
MHz
1,2
dB
max.
3
dB
f
N
-
0,22
MHz … f
N
+
0,22
MHz
3,1
dB
max.
6
dB
f
N
-
423,92
MHz … f
N
-
19,92
MHz
55,6
dB
min.
52
dB
f
N
-
19,92
MHz … f
N
-
10,42
MHz
53,6
dB
min.
48
dB
f
N
-
10,42
MHz … f
N
-
2,20
MHz
49,5
dB
min.
29
dB
f
N
-
2,20
MHz … f
N
-
1,80
MHz
54,7
dB
min.
26
dB
f
N
-
1,80
MHz … f
N
-
0,82
MHz
17,8
dB
min.
15
dB
f
N
+
1,00
MHz … f
N
+
8,08
MHz
35,4
dB
min.
18
dB
f
N
+
8,08
MHz … f
N
+
66,08
MHz
43,2
dB
min.
40
dB
f
N
+
66,08
MHz … f
N
+
266,08
MHz
62,3
dB
min.
50
dB
f
N
+
266,08
MHz … f
N
+
371,08
MHz
51,6
dB
min.
45
dB
f
N
+
371,08
MHz … f
N
+
566,08
MHz
65,5
dB
min.
60
dB
Input power level
-
max.
10
dBm
Permissible DV voltage
VDC
-
max.
6
V
Operating temperature range
OTR
-
- 40 °C ... + 95°C
Storage temperature range
-
- 45 °C ... + 120°C
Temperature coefficient of frequency
TCf **
-0,03
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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