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參數(shù)資料
| 型號： | TFS342 |
| 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, 342.5 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 55K |
| 代理商： | TFS342 |
Tfs342.doc
version 2.0
06.01.02
VI TELEFILTER
Filter specification
TFS 342
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
Measurement condition
Ambient temperature:
Input power level:
Source impedance:
Load impedance:
23
°
C
0dBm
23,5
|| -17,8 pF
34,0
|| -18.9 pF
Characteristics
Remark:
Reference level for the relative attenuation arel of the TFS 342 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
2.0 dB filter attenuation level relative to the insertion loss ae. The nominal frequency fN is fixed on 342,5 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 also 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
(Reference level)
ae = amin
9,5
dB
max.
11
dB
Nominal frequency
fN
-
342,5
MHz
Pass band
Pass band ripple
fN
±
12,5 MHz
1,2
dB
max.
2,0
dB
Group delay
Group delay ripple
GD
fN
±
12,5 MHz
80
ns
max.
150
ns
Relative attenuation
arel
fN -
fN +
fN +
fN + 207,5
341,5
20,0
40,0
MHz ...
MHz ...
MHz ...
MHz ...
fN - 20,0
fN + 40,0
fN + 207,5 MHz
fN + 657,0 MHz
MHz
MHz
40
35
40
50
dB
dB
dB
dB
min.
min.
min.
min.
35
30
35
27
dB
dB
dB
dB
Input compression
1 dB
-
min.
+12
dBm
Input Intermodulation IP3 *)
-
min.
+35
dB
Operating temperature range
- 25
°
C ... + 85
°
C
Temperature coefficient of frequency
TCf
- 72
ppm/K
Input power level
max.
+10
dBm
*) frequencies for IP3 measurement: fin1 = 330 MHz and 330.6 MHz, fin2 = 342.2 MHz and 342.8 MHz, fin3 = 354.4 MHz and 355 MHz.
Generated:
Checked / approved:
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| TFS345A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
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| TFS346B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS346C | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter specification |
| TFS350A | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
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