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参数资料
| 型号： | TFS456U |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 456 MHz, SAW FILTER |
| 封装： | ROHS COMPLIANT PACKAGE-10 |
| 文件页数： | 1/5页 |
| 文件大小： | 123K |
| 代理商： | TFS456U |
Filename: tfs 456u.doc
Version 1.1
19.10.2006
VI TELEFILTER
Filter specification
TFS 456U
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:
219 || -7 pF
Output:
158 || -9,6 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 456U is the minimum of the pass band attenuation. This value is defined as the insertion
loss ae. The nominal frequency fN is fixed at 456,0 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
10,9
dB
max.
14,0
dB
(reference level)
Nominal frequency
fN
456,0
MHz
Passband
PB
14,7
MHz
min.
f
N ± 5,8
MHz
Pass band ripple
0,3
dB
max.
1,0
dB
Relative attenuation
arel
f
N
-
5,8
MHz … f
N
+
5,8
MHz
0,8
dB
max.
1,5
dB
f
N
-
6,4
MHz … f
N
+
6,4
MHz
1,7
dB
max.
3
dB
f
N
-
455
MHz … f
N
-
200
MHz
60
dB
min.
30
dB
f
N
-
200
MHz … f
N
-
96
MHz
63
dB
min.
40
dB
f
N
-
96
MHz … f
N
-
47
MHz
64
dB
min.
40
dB
f
N
-
47
MHz … f
N
-
33
MHz
53
dB
min.
45
dB **
f
N
-
33
MHz … f
N
-
13,5
MHz
46
dB
min.
40
dB
f
N
+
13,5
MHz … f
N
+
33
MHz
47
dB
min.
40
dB
f
N
+
33
MHz … f
N
+
47
MHz
52
dB
min.
45
dB **
f
N
+
47
MHz … f
N
+
96
MHz
47
dB
min.
40
dB
f
N
+
96
MHz … f
N
+
200
MHz
72
dB
min.
40
dB
f
N
+
200
MHz … f
N
+
490
MHz
72
dB
min.
30
dB
Absolute Group Delay
at fN
425
ns
max.
700
ns
Group delay ripple within PB
33
ns
max.
250
ns
Return loss within PB
15
dB
min.
10
dB
Input power level
-
max.
10
dBm
Operating temperature range
OTR
-
- 40 °C ... + 85°C
Storage temperature range
-
- 45 °C ... + 85°C
Temperature coefficient of frequency
TCf ***
-19
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.
**) mean value of the relative attenuation within the frequency range
***)
f(Hz) = TCf(ppm/K) x (T-T0) x fcat(MHz).
Generated:
Checked / Approved:
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