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參數(shù)資料
| 型號(hào)： | TFS140AF |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 140 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 127K |
| 代理商： | TFS140AF |
Filename: tfs 140af.doc
Version 1.2
08.04.2005
VI TELEFILTER
Filter specification
TFS 140AF
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:
23
°C
Input power level:
0
dBm
Terminating impedance:
Input:
50
Output:
50
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 140AF 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 6 dB
filter attenuation level relative to the insertion loss ae. The temperature coefficient of frequency Tcf is valid for both the reference frequency fc and the
frequency response of the filter in the operating temperature range.
D a t a
typ. value
tolerance / limit
Insertion loss
ae
28,5
dB
max.
30
dB
(reference level)
Centre frequency at operating
temperature
fC
-
140 ± 0,25 MHz
Passband
fC ± fY * (1-a)
PB
27,2
MHz
Pass band tilt within PB
0,004 dB/MHz
max.
0,012 dB/MHz
Relative attenuation
arel
20
MHz …
119
MHz
52
dB
min.
40
dB
161
MHz …
280
MHz
47
dB
min.
40
dB
Reflected attenuation compared to main signal
66
dB
min.
50
dB
Crosstalk attenuation compared to main signal
55
dB
min.
50
dB
Deviation from theoretical phase response
1,1
deg
max.
4,0
deg
Deviation from theoretical frequency response
α
fC
… fC ± fY * (1-a)
± 0,1
dB
max.
± 0,2
dB
fC ± fY * (1-a) … fC ± fY * (1+a)
± 0,25
dB
max.
± 0,5
dB
Nyquist frequency
fy
-
17
MHz
Roll-off factor
a
-
0,2
Partitioning factor
p
-
1,0
Group delay
at fc
1,1
s
Group delay ripple within PB
10
ns
max.
25
ns
Input power level
-
max.
15
dBm
Operating temperature range
OTR
-
+ 45 °C
Operable temperature range
-
- 45 °C ... + 85°C
Storage temperature range
-
- 45 °C ... + 85°C
Temperature coefficient of frequency
TCf **
-72
ppm/K
**)
fc(Hz) = Tcf(ppm/K) x (T - To) x fCAT (MHz).
Theoretical frequency response :
Generated:
Checked / Approved:
≤
+
≤
+
+
≤
=
=
x
a
for
a
x
a
for
a
x
a
x
for
x
S
f
x
S
x
H
Y
C
P
)
1
(
0
),
1
(
)
1
(
,
2
)
1
(
cos
1
2
1
)
1
(
,
1
)
(
where
;
))
(
)
(
π
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| TFS140AG | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS140AL | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS140AN | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS140AP | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS140AR | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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