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參數(shù)資料
| 型號(hào)： | TFR315A |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 315 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 99K |
| 代理商： | TFR315A |
Filename: tfr 315a.doc
Version 1.1
12.08.2005
VI TELEFILTER
Resonator specification
TFR 315A
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
Output:
50
Characteristics
Remark:
The minimum of the pass band attenuation amin is defined as the insertion loss ae. The centre frequency fC is the frequency of the minimum of the
passband attenuation amin. The tolerance for the centre frequency also includes a frequency shift due to the temperature coefficient of frequency TCf in the
operating temperature range and a production tolerance for the centre frequency fC.
D a t a
typ. value
tolerance / limit
Insertion loss
ae = amin
-
max.
2,5
dB
(reference level)
Centre frequency
fC
315,0
MHz
±100
kHz
Ageing of centre frequency
(Absolute value during the first year)
-
max.
-40/+10 ppm/yr
Quality factor
Unloaded Q
8400
-
Loaded Q 50
2000
-
Parallel capacitance
C0
3,8
pF
-
Motional resistance
R1
27
-
Motional inductance
L1
117
H
-
Motional capacitance
C1
2,1
fF
-
DC insulation resistance
-
min.
1
M
Permissible DC voltage
VDC
-
max.
12
V
Input power level
-
max.
0
dBm
Operating temperature range
OTR
-
-10 °C ... + 60°C
Storage temperature range
-
-40 °C ... + 85°C
Turnover temperature
T0
25
°C
max.
± 15
°C
Temperature coefficient of frequency
TCf **
0,032
ppm/K
2
*) The equivalent circuit model is for reference only.
**)
f(Hz) = TCf(ppm/K) x (T0-T) x fCAT(MHz).
Generated:
Checked / Approved:
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