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參數(shù)資料
| 型號： | TFS44H |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 44 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 74K |
| 代理商： | TFS44H |
TFS44h.doc
version 1.2
19.08.2005
VI TELEFILTER
Filter Specification
TFS 44H
1/5
TELEFILTER 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.
Description
TV IF filter with constant group delay for HDTV standard
Measurement condition
Ambient temperature TA:
25
°C
Input power level:
0
dBm
Terminating impedance:
source:
50
load:
2 k
II 3 pF and matching network
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 44H is the insertion loss. The insertion loss ae is defined as the insertion loss at the nominal
frequency fN
D a t a
typ. value
limit
Insertion loss
17
dB
16,5 dB
± 1,5
dB
(reference level)
Nominal frequency
fN
-
44,00 MHz
Relative attenuation
arel
fN
...
fN ±
2,40
MHz
0,4
dB
-
40,75
MHz
27
dB
min.
25
dB
41,31
MHz
1,9
dB
1,7 dB
± 0,5
dB
41,43
MHz
0,5
dB
min.
0,0
dB
41,60
MHz
0,05 dB
0,2 dB
± 0,5
dB
46,40
MHz
0,05 dB
0,0 dB
± 0,5
dB
46,57
MHz
0,6
dB
min.
- 0,2
dB
46,69
MHz
2,0
dB
1,7 dB
± 0,5
dB
47,25
MHz
35
dB
min.
25
dB
35,00
MHz
...
39,35
MHz
38
dB
min.
32
dB
39,35
MHz
...
40,35
MHz
32
dB
min.
27
dB
47,65
MHz
...
48,65
MHz
29
dB
min.
26
dB
48,65
MHz
...
55,00
MHz
37
dB
min.
30
dB
Reflected wave signal suppression
55
dB
min.
42
dB
1,5 s...6,0 s after main pulse
Group delay ripple
p-p in fN ± 2,69 MHz
40
ns
max.
60
dB
Operable temperature range
-
-25 °C ..... 65
°C
Storage temperature range
-
-40 °C ..... 85
°C
Temperature coefficient of frequency TCf*
-18
ppm / K
-
DC voltage
VDC
-
max.
12
V
AC voltage
Vpp
-
max.
10
V
*)
fc(Hz) = Tcf(ppm/K) x (T - TA) x fCAT (MHz)
generated:
checked / approved:
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| TFS44M | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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| TFS450 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS450A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS451A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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