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參數資料
| 型號： | TFS112B |
| 廠商： | Vectron International, Inc. |
| 英文描述： | VI SAW濾波器(VI SAW Filter) |
| 中文描述： | 六聲濾波器（SAW濾波器六） |
| 文件頁數： | 1/5頁 |
| 文件大小： | 62K |
| 代理商： | TFS112B |
tfs112B.doc
VI
TELEFILTER
Version 1.2
23.10.2000
Filter Specification
TFS 112B - 1/5
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
1.
Ambient temperature
T
A
:
Input power level:
Terminating impedances at fc:
Q-value of matching elements:
Characteristics :
Remark:
Reference level for the relative attenuation arel of the TFS 112B 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.
D a t a
Measurement condition :
23 °C
0 dBm.
for input:
for output:
50...70
565
- 6,5 pF.
650
- 5,7 pF.
typ. value
tolerance / limit
Insertion loss
(Reference level)
ae
13,5 dB
max. 14 dB
Reference frequency
fc ( BW(-30 dB) )
112,320 MHz
112,320 ± 0,035 kHz
Bandwidth
at ambient temperature
:
3 dB bandwidth
10 dB bandwidth
20 dB bandwidth
30 dB bandwidth
40 dB bandwidth
1045 kHz
1722 kHz
2170 kHz
2450 kHz
2660 kHz
-
-
-
-
-
Relative attenuation
fc ± 475 kHz....fc ± 815
fc ± 1175 kHz....fc ± 1300
fc ± 1300 kHz....fc ± 1475
fc ± 1475 kHz fc ± 10
arel
fc ...... fc ± 475
kHz
kHz
kHz
kHz
MHz
-
-
-
-
max.
max. 10 dB
min.
20 dB
min.
30 dB
min.
40 dB
3 dB
> 45 dB
Average group delay in
fc ....fc ± 800 kHz
:
Group delay ripple in
fc ....fc ± 800 kHz
:
1,35 μs
150 ns
max. 300 ns
Frequency inversion temperature ( T
o
)
Temperature coefficient ( Tc1
f
)
1st order (-20 °C ... + 85 °C)
*)
Temperature coefficient ( Tc2
f
)
2nd order (-20 °C ... + 85 °C)
**)
20 °C
0 ppm/K
- 0,036 ppm/K2
max. ± 7,5 ppm/K
-
Operating temperature range
Storage temperature range
- 20 °C ... + 85 °C
- 25 °C ... + 90 °C
Input power level
Permissible DC voltage
Permissible AC voltage
VDC
Vpp
-
-
-
max. + 10 dBm
12
V
10
V
* )
** )
f
To
is reference frequency
fc
at frequency inversion temperature (
T
o
)
Generated:
Checked/Approved:
fc(Hz) = Tc1
f
(ppm/K) x (T - T
o
) x
f
To
(MHz)
fc(Hz) = Tc2
f
(ppm/K) x (T - T
o
)2 x
f
To
(MHz)
Dunzow W.
Dr. Bert Wall
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