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TFS112K Filter Specification
型号:   TFS112K
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描述:   Filter Specification
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品牌   VECTRON [ Vectron International, Inc ]
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tfs112K.doc
Version 1.1
12.02.2001
VI
TELEFILTER
Filter Specification
TFS 112K - 1/5
1. Measurement condition :
Ambient temperature
T
A
:
Input power level:
Terminating impedances at fc:
Q-value of matching elements:
23 °C
0 dBm.
for input:
for output:
50...70
565
Ω 
- 6,5 pF.
650
Ω 
- 5,7 pF.
2. Characteristics :
Remark:
Reference level for the relative attenuation arel of the TFS 112K is the minimum of the passband attenuation amin. The minimum of the passband
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 30 dB filter attenuation level relative to the insertion loss ae.
Data
Insertion loss
(Reference level)
ae
Reference frequency
fc ( BW(-30 dB) )
typ. value
13,5
112,32
1,05
1,72
2,17
2,45
2,66
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
-
-
-
-
45
40...43
42...45
42...45
1,35
150
dB
MHz
MHz
MHz
MHz
MHz
MHz
tolerance / limit
max.
14
dB
112,320 ± 0,035 MHz
-
-
-
-
-
max.
max.
min.
min.
min.
min.
min.
min.
3
10
20
30
40
35
40
40
dB
dB
dB
dB
dB
dB
dB
dB
ns
Bandwidth
at ambient temperature:
3 dB bandwidth
10 dB bandwidth
20 dB bandwidth
30 dB bandwidth
40 dB bandwidth
Relative attenuation
fc
......... fc
fc ±
0,475 MHz ... fc
fc ±
1,175 MHz ... fc
fc ±
1,300 MHz ... fc
fc ±
1,475 MHz ... fc
fc +
5,0
MHz ... fc
fc + 12,5
MHz ... fc
fc - 20
MHz ... fc
arel
±
0,475
±
0,815
±
1,300
±
1,475
±
5,0
+ 12,5
+ 20
-
5,5
dB
dB
dB
dB
µs
ns
Average group delay in
fc ....fc ± 800 kHz
:
Group delay ripple in
fc ....fc ± 800 kHz
:
Frequency inversion temperature ( T
o
)
Temperature coefficient ( Tc1
f
)
1st order
*)
Temperature coefficient ( Tc2
f
)
2nd order
**)
Operating temperature range
Storage temperature range
Input power level
Permissible DC voltage
Permissible AC voltage
VDC
Vpp
max. 300
20
°C
0
ppm/K
- 0,036 ppm/K²
max. ± 7,5 ppm/K
-
- 20 °C ... + 85 °C
- 25 °C ... + 90 °C
-
-
-
max.
10
12
10
dBm
V
V
*)
∆f
c(Hz) = Tc1
f
(ppm/K) x (T - T
o
) x
f
To
(MHz)
** )
∆f
c(Hz) = Tc2
f
(ppm/K) x (T - T
o
)² x
f
To
(MHz)
f
To
is reference frequency
fc
at frequency inversion temperature (T
o
)
Generated:
Dunzow W.
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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