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參數(shù)資料
| 型號(hào)： | TFS43A |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Preliminary Specification |
| 中文描述： | 1 FUNCTIONS, 43.75 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 61K |
| 代理商： | TFS43A |
TFS43A.doc
TELEFILTER
VI
Description
IF filter for digital cable TV
Measurement condition
Ambient temperature T
A
:
Input power level:
Terminating impedance: source: 50
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 43A is the insertion loss. The insertion loss ae is defined as the insertion loss at the nominal
frequency fN . 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.
D a t a
Insertion loss
(Reference Level)
Nominal frequency
fN
version 1.4
05.12.03
Preliminary Specification
TFS 43 A
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.
25
°
C
0 dBm
load:
2 k
II 3 pF
typ. Value
Limit
15,2
dB
14,8 dB ± 1,5 dB
-
43,75 MHz
Centre frequency
Bandwidth
fc
at ambient temperature T
A
-
43,75 MHz ± 0,07 MHz
3 dB
6,0
MHz
-
Group delay ripple
Relative attenuation
30 dB
7,6
MHz
-
p-p in
fc
± 3 MHz
35
ns
-
arel
f
N
-
f
N
-
f
N
+
f
N
+
f
N
+
f
N
+
@ 41,22
@ 46,28
@ 40,75
@ 46,75
@ 39,75
@ 47,75
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
0,4
0,15
3,0
3,0
44
41,5
46
48
38
36,5
46
44
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
0,2 ±
2,7 ±
2,7 ±
min.
min.
min.
min.
min.
min.
min.
min.
-
1
1,2 dB
1,2 dB
38
37
42
37
36
34
36
42
dB
dB
dB
dB
dB
dB
dB
dB
dB
8,75 MHz ... f
N
- 4,75
4,75 MHz ... f
N
- 4,00
4,00 MHz ... f
N
+ 4,25
4,25 MHz ... f
N
+ 5,00
5,00 MHz ... f
N
+ 6,25
6,25 MHz ... f
N
+ 11,25
Reflected wave signal suppression
1,2 μs...6,0 μs after main pulse
Feedthrough signal suppression
Operable temperature range
58
dB
min.
42
dB
52
dB
min.
50
dB
-
-25 °C ..... 65 °C
Storage temperature range
-
ppm / K
-40 °C ..... 85 °C
Temperature coefficient of frequency
TC
f
*
DC voltage
-72
-
V
DC
-
max.
12
V
AC voltage
V
pp
-
max.
10
V
*)
fc(Hz) = Tc
f
(ppm/K) x (T - T
A
) x f
CAT
(MHz)
generated:
checked / approved:
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TFS440 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS440_00 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS440A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS443 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS446A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
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