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參數(shù)資料
| 型號： | TFS434F |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 434 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 120K |
| 代理商： | TFS434F |
Filename: tfs 434f.doc
Version 1.2
18.01.2007
VI TELEFILTER
Filter specification
TFS 434F
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:
375 || -5,7 pF
Output:
375 || -5,7 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 434F is the minimum of the pass band attenuation. This value is defined as the insertion
loss ae. The nominal frequency fN is fixed at 434,0 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
6,3
dB
max.
7,6
dB
(reference level)
Nominal frequency
fN
-
434,0
MHz
Passband
PB
fN
±
1,6
MHz
Pass band ripple
p-p
0,2
dB
max.
1
dB
Relative attenuation
arel
fN
… fN ±
1,6
MHz
0,4
dB
max.
1
dB
fN ±
6
MHz … fN ±
15
MHz
40
dB
min.
35
dB
fN ±
15
MHz … fN ±
100
MHz
46
dB
min.
42,5
dB
Group delay ripple within PB
36
ns
max.
60
ns
Return loss within PB
16
dB
min.
10
dB
Operating temperature range
OTR
-
- 40 °C ... + 85°C
Storage temperature range
-
- 45 °C ... + 85°C
Temperature coefficient of frequency
TCf **
-18
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 fcat(MHz).
Generated:
Checked / Approved:
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