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参数资料
| 型号： | TFS112R |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 112 MHz, SAW FILTER |
| 封装： | ROHS COMPLIANT PACKAGE-12 |
| 文件页数： | 1/5页 |
| 文件大小： | 160K |
| 代理商： | TFS112R |
Filename: tfs 112r.doc
Version 1.1
18.05.2006
VI TELEFILTER
Filter specification
TFS 112R
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:
600 || -0,35 pF
Output:
600 || -0,35 pF
Source impedance:
100
Load impedance:
100
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 112R 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 3 dB
filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 112,0 MHz without any tolerance. The given values for both the
relative attenuation arel and the group delay ripple have to be achieved at the frequencies given below even 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.
D a t a
typ. value
tolerance / limit
Insertion loss
ae
4,0
dB
max.
5,0
dB
(reference level)
Nominal frequency
fN
-
112,0
MHz
Centre frequency
fC
112,0
MHz
-
Passband
PB
-
fN
± 5,0
kHz
Pass band ripple (p-p)
0,2
dB
max.
1,5
dB
Relative attenuation
arel
fN
... fN ±
5
kHz
0,6
dB
max.
1,5
dB
fN
... fN ±
10
kHz
1,0
dB
max.
3
dB
fN -
120
kHz
... fN -
60
kHz
33
dB
min.
25
dB
fN +
60
kHz
... fN +
120
kHz
33
dB
min.
25
dB
Input power level
-
max.
10
dBm
Operating temperature range
OTR
-
0 °C ... + 50 °C
Storage temperature range
-
-40 °C ... + 85 °C
Frequency inversion temperature
40
°C
-
Temperature coefficient of frequency
TCf **
-0,035
ppm/K
2
-
*) 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.
**)
fc(Hz) = TCf(ppm/K
2) x (T - To)2 x fTo (MHz).
Generated:
Checked / Approved:
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