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TFS190D Filter specification
型号:   TFS190D
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描述:   Filter specification
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品牌   VECTRON [ Vectron International, Inc ]
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tfs190d.doc
version 1.4
07.09.2001
VI
TELEFILTER
Filter specification
TFS 190 D
1/5
Measurement Condition
Ambient Temperature:
Input Power Level:
Terminating impedances
*
23
0
Input:
output:
°C
dBm
T.B.D.
T.B.D.
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 190 D is the insertion loss. The insertion loss ae is defined as the minimum of
attenuation in pass band. 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 f
N
is fixed on 190,000 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 also 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 for the centre frequency fc.
Data
Insertion Loss
(Reference level)
Nominal Frequency
5 dB - Bandwidth
Pass Band Ripple
fN ± 0,300 MHz
Relative Attenuation
fN ± 0,63 MHz
fN ± 1,25 MHz ... fN ± 20 MHz
fN - 1,25 MHz
fN + 1,25 MHz
fN ± 2,05 MHz
Group delay ripple
fN ± 0,630 MHz
Operating Temperature Range
Temperature coefficient of frequency
Frequency inversion temperature
T
0
TC
f
**
a
e
= a
min
f
N
BW
typ. Value
8
-
1,6 MHz
0,3 dB
min.
max.
dB
max.
Limit
10
190
dB
MHz
1,26 MHz
1,2 dB
-
arel
-
45
45
40
-
-0,036
+ 25
ppm/K²
°C
-
dB
dB
dB
max.
5
dB
35 dB
dB
dB
dB
min.
min. 35
min. 35
min. 37
max.
1
µs
- 40 °C ... + 65 °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:
VI TELEFILTER
Potsdamer Straße 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-0 / Fax: (+49) 3328 4784-30
E-Mail:
tft@telefilter.com
Vectron International, Inc.
267 Lowell Road
Hudson, NH 03051 / USA
Tel: (603) 598-0070 Fax: (603) 598-0075
E-Mail:
vti@vtinh.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.
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