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参数资料
| 型号： | TFS115D |
| 厂商： | VECTRON INTERNATIONAL |
| 元件分类： | 声表面波滤波器 |
| 英文描述： | 1 FUNCTIONS, 115.2 MHz, SAW FILTER |
| 封装： | ROHS COMPLIANT PACKAGE-10 |
| 文件页数： | 1/5页 |
| 文件大小： | 123K |
| 代理商： | TFS115D |
Filename: tfs 115d.doc
Version 1.1
03.02.2006
VI TELEFILTER
Filter specification
TFS 115D
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:
20
°C
Input power level:
0
dBm
Terminating impedance: *
Input:
313 || -24 pF
Output:
268 || -29 pF
Characteristics
Remark:
The reference level for the relative attenuation arel of the TFS 115D 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 1 dB
filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed at 115,2 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
6
dB
max.
10
dB
(reference level)
Nominal frequency
fN
115,2
MHz
Passband
PB
fN
±
1,92 MHz
Pass band ripple
p-p
0,3
dB
max.
1
dB
Relative attenuation
arel
fN
... fN ±
1,92
MHz
2,5
dB
max.
3
dB
fN ±
4,2
MHz ... fN ±
7,5
MHz
35
dB
min.
25
dB
fN ±
7,5
MHz ... fN ±
12,5
MHz
48
dB
min.
35
dB
fN ±
12,5
MHz ... fN ±
25
MHz
60
dB
min.
38
dB
Absolute Group delay
in PB
p-p
0,75
s
max.
0,85 s
Group delay ripple
in PB
p-p
100
ns
max.
150
ns
Input power level **
max.
10
dBm
Operating temperature range
OTR
-10 °C..... +85 °C
Storage temperature range
-40 °C..... +85 °C
Temperature coefficient of frequency
TCf ***
-22
ppm/K
-
*) 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.
**) Maximum value for 10 years operation.
***)
fc(Hz) = TCf(ppm/K) x (T - To) x fTo (MHz).
Generated:
Checked / Approved:
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