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參數資料
| 型號： | TFS433R |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Filter Specification |
| 中文描述： | 1 FUNCTIONS, 433.92 MHz, SAW FILTER |
| 文件頁數： | 1/5頁 |
| 文件大小： | 149K |
| 代理商： | TFS433R |
tfs433r.doc
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedances*
Coupling coil:
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 433 R is the minimum of the pass band attenuation amin. The minimum of the pass
band attenuation amin is defined as 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. The nominal frequency fN is fixed at 433,92 MHz without tolerance. The given
values for the relative attenuation arel and for the group delay ripple have to be reached at the frequencies given below even if the centre
frequency fc is shifted due to the temperature coefficient of frequency TCf in the operating temperature range and due to a production tolerance
of centre frequency fc.
D a t a
Insertion loss
ae = amin
(Reference level)
version 3.1
24.05.2002
Filter Specification
TFS 433 R 1/5
VI TELEFILTER
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.
Vectron International Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail:
vti@vtinh.com
23
°
C
0 dBm
for input:
for output:
560
║
-1,25 pF
560
║
-1,25 pF
47 nH
typ. value
tolerance/limit
3,8
dB
max.
6,5
dB
Nominal frequency
fN
fc
-
433,920 MHz
Centre frequency
433,95
MHz
Guaranteed 1,5 dB signal band width
BW
-
min.
160
kHz
Relative attenuation
fN ±
80 kHz
fN ± 460 kHz ... fN ± 660 kHz
fN ± 660 kHz ... fN ±
fN -
1 MHz ... fN -
fN +
1 MHz ... fN +
fN +
2 MHz ... fN +
fN ±
5 MHz ... fN ±
arel
0,8
dB
max. 1,5
dB
32
50
58
61
53
58
dB
dB
dB
dB
dB
dB
min.
min.
min.
min.
min.
min.
25
40
50
50
47
50
dB
dB
dB
dB
dB
dB
1 MHz
13 MHz
2 MHz
5 MHz
13 MHz
Group delay ripple
fN ±
70 kHz
GD
0,5
μs
max.
2
μ
s
Operating temperature range
-
- 40
°
C ... + 85
°
C
Storage temperature range
-
- 40
°
C ... + 85
°
C
Temperature coefficient of frequency
TC **
-0.036 ppm/K2
-
Frequency inversion temperature
+ 20
°
C
-
*)
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/K2) x (T-T
0
)2 x fTo(MHz)
Generated:
Checked / approved:
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| TFS433S | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS433U | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS433V | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS433X | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS433Z | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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