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參數(shù)資料
| 型號(hào)： | TFS1227 |
| 廠(chǎng)商： | VECTRON INTERNATIONAL |
| 元件分類(lèi)： | 聲表面波濾波器 |
| 英文描述： | 1 FUNCTIONS, 1227.6 MHz, SAW FILTER |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 157K |
| 代理商： | TFS1227 |
Filename: tfs 1227.doc
Version 1.1
13.12.2004
VI TELEFILTER
Filter specification
TFS 1227
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:
50
Output:
50
Characteristics
Remark:
The maximum attenuation in the pass band is defined as the insertion loss ae. The nominal frequency fN is fixed at 1227,6 MHz without any tolerance or
limit. The values of absolute attenuation aabs are guaranteed for the whole operating temperature range. The frequency shift of the filter in the operating
temperature range is included in the production tolerance scheme.
D a t a
typ. value
tolerance / limit
Insertion Loss
ae
2,6
dB
4,5
dB
Nominal Frequency
fN
-
1227,6
MHz
Passband
PB
-
fN ±
10
MHz
Passband ripple
1,2
dB
max.
2,5
dB
Absolute Attenuation
aabs
1
MHz …
1177
MHz
48
dB
min.
40
dB
1197
MHz
30
dB
min.
25
dB
1257
MHz
33
dB
min.
25
dB
1277
MHz …
2000
MHz
43
dB
min.
40
dB
Group delay ripple within PB
16
ns
max.
25
ns
Phase linearity within PB
16
deg
max.
20
deg
Input Power Level
-
max.
17
dBm
Operating Temperature Range
OTR
-
- 40 °C ... + 85 °C
Storage Temperature Range
-
- 45 °C ... + 90 °C
Temperature Coefficient of Frequency
TCf *
-44
ppm/K
-
*)
f(Hz) = TCf(ppm/K) x (T-T0) x fTo(MHz).
Generated:
Checked / Approved:
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