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參數(shù)資料
| 型號(hào)： | TFS280H |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | Filter specification |
| 中文描述： | 1 FUNCTIONS, 280 MHz, SAW FILTER |
| 封裝： | ROHS COMPLIANT PACKAGE-8 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大?。?/td> | 117K |
| 代理商： | TFS280H |
Filename: tfs280h.doc
VI
TELEFILTER
Measurement condition
Ambient temperature:
Input power level:
Terminating impedance: *
Input:
Output:
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS280H 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 280 MHz without tolerance. The given values for the relative
attenuation arel and for the group delay ripple have to be reached 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
Version 1.4
13.01.2004
Filter specification
TFS280H
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.
°C
dBm
22
0
82
|| -17.2 pF
187
|| - 8 pF
typ. value
tolerance / limit
Insertion Loss
ae
7,6
MHz
max.
10
dB
Nominal Frequency
f
N
279,9
MHz
280
MHz
Centre Frequency
f
C
280
MHz
-
Relative Attenuation
arel
9,5 MHz
f
N
...
f
N
±
0,8
dB
max.
3
dB
f
N
f
N
f
N
±
±
±
18,7 MHz ... f
N
19,2 MHz ... f
N
20,0 MHz ... f
N
±
±
±
19,2 MHz
20,0 MHz
100,0 MHz
35
30
43
dB
dB
dB
min.
min.
min.
16
25
40
dB
dB
dB
Group Delay Ripple
f
N
... f
N
±
8,1 MHz
25
ns
30
ns
Operating Temperature Range
OTR
-
- 40°C ... + 85°C
Storage Temperature Range
-
- 40°C ... + 85°C
Temperature Coefficient of Frequency
TCf
**
- 87
ppm/K
-
Input Power Level
-
max.
10
dBm
*)
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.
**)
f(Hz) = TCf(ppm/K) x (T-T
0
) x fTo(MHz)
Generated:
Checked / Approved:
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| TFS280H_06 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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| TFS282A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:VI TELEFILTER |
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