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參數資料
| 型號： | TFR434C |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 434.74 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 153K |
| 代理商： | TFR434C |
Filename: tfr 434c.doc
Version 1.1
15.02.2005
VI TELEFILTER
Resonator Specification
TFR 434C
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:
25
°C
Input power level:
0
dBm
Terminating impedance: *
Input:
50 || 0 pF
Output:
50 || 0 pF
Characteristics
Remark:
The minimum of the attenuation amin is defined as the insertion loss ae. The centre frequency fc is the measured frequency at the minimum insertion loss
point. The frequency shift of the resonator in the operating temperature range is not included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion loss
ae = amin
1,6
dB
max.
3,0
dB
(reference level)
Resonant frequency at ambient temperature
fC
-
434,74
± 0,05 MHz
Quality factor
Q
Unloaded
9900
min.
8000
Parallel capacitance
C0
3,2
pF
-
Motional resistance *
Rm
28
-
Motional inductance *
Lm
112
H
-
Motional capacitance *
Cm
1,2
fF
-
Operating temperature range
OTR
-
+20 °C ... + 150°C
Storage temperature range
-
-30 °C ... + 150°C
Turnover temperature
T0
-70
°C
Temperature coefficient of frequency
TCf **
-0,036
ppm/K
2
*) The equivalent circuit model is for reference only.
**)
fc(Hz) = Tcf(ppm/K) x (T – T0) x fCAT (MHz)
Generated:
Checked / Approved:
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