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參數(shù)資料
| 型號： | TFS140 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Filter specification |
| 中文描述： | 過濾器規(guī)格 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大小： | 68K |
| 代理商： | TFS140 |
file name: Tfs 140.doc
VI TELEFILTER
Version 2.3
TFS 140
05.03.2002
1/4
Filter specification
1. Measurement condition :
Ambient temperature
T
A
:
Input power level:
Terminating impedances in fc * ) : for input:
2. Characteristics :
Remark:
Reference level for the relative attenuation
arel
of the
TFS 140
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 reference 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 temperature coefficient of frequency
Tc
f
is valid
both for the reference frequency
fc
and the frequency response of the filter in the operating temperature range. The frequency shift of the
filter in the operating temperature range is not included in the production tolerance scheme
Data
23 °C
0 dBm.
1177
- 6,17 pF.
1330
- 5,33 pF.
(typical value )
for output:
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
22,5 dB
max. 24
dB
Centre frequency
fc
at ambient temperature T
A
(
f
CAT
)
140,01 MHz
140,00 ± 0,10 MHz
Pass band
at ambient temperature T
A
:
PB
f
C
- 3,0 MHz ... f
C
+ 3,0 MHz
Amplitude ripple (p-p):
f
C
– 2,6 MHz ... f
C
+ 2,6 MHz
f
C
± 2,6 MHz ... f
C
± 2,8 MHz
0,5 dB
0,7 dB
max.
max.
1
1
dB
dB
Bandwidth
at ambient temperature T
A
:
1 dB
3 dB
3 dB
5,76 MHz
6,24 MHz
6,24 MHz
min.
min.
max.
5,6
6,0
6,4
MHz
MHz
MHz
20 dB
40 dB
45 dB
6,30 MHz
7,95 MHz
8...8,6 MHz
max.
max.
MHz
MHz
8,2
9,0
Relative attenuation
arel
dB
dB
dB
dB
dB
dB
dB
dB
max.
max.
min.
min.
min.
min.
min.
min.
dB
dB
dB
dB
dB
dB
dB
dB
f
C
± 2,6 MHz ... f
C
± 2,8
f
C
± 2,8 MHz ... f
C
± 3,0 MHz
f
C
± 3,2 MHz ... f
C
± 4,1 MHz
f
C
± 4,1 MHz ... f
C
± 4,5 MHz
f
C
± 4,5 MHz ... f
C
± 12 MHz
f
C
- 65 MHz ... f
C
- 12 MHz
f
C
+ 12 MHz ... f
C
+ 75 MHz
f
C
+ 75 MHz ... f
C
+ 130 MHz
f
C
+ 130 MHz ... f
C
+ 460 MHz
MHz
-
1
3
3
45
40
45
50
50
47
48...53
75...55
55...75
48...50
70
Group delay ( mean value in PB ):
Group delay ripple in PB (p-p):
Deviation from linear phase in PB band (p-p):
1,84 μs
max.
max. 80
2,0
μs
ns
50...60
4..4,5 ° (r.m.s. 1,3°)
ns
VSWR (S11) / (S22) in PB :
Triple transit attenuation compared to main signal
Crosstalk
( 2 : 1 ) / ( 2 : 1 )
49 dB
55...60 dB
Frequency inversion temperature ( T
o
)
Temperature coefficient of frequency ( Tc
f
)
Frequency deviation of fc over temperature: * )
25° C
-0,045
ppm/K2
fc(Hz) = Tc
f
(ppm/K) x (T - T
o
)2 x
f
To
(MHz)
Operating temperature range
Storage temperature range
- 25 °C ... + 80 °C
- 40 °C ... + 85 °C
Input power
max. 20
dBm
*) 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
To
is reference frequence fc at frequency inversion temperature (T
o
)
Generated:
Checked/Approved:
Dunzow W.
Dr. Bert Wall
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
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