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參數(shù)資料
| 型號： | TFS360A |
| 廠商： | VECTRON INTERNATIONAL |
| 元件分類： | 聲表面波濾波器 |
| 英文描述： | VI SAW濾波器(VI SAW Filter) |
| 中文描述： | 1 FUNCTIONS, 360 MHz, SAW FILTER |
| 文件頁數(shù)： | 1/3頁 |
| 文件大?。?/td> | 23K |
| 代理商： | TFS360A |
Ltp: tft025
______________________________________________________________________________________________________
VI TELEFILTER
Application Note
______________________________________________________________________________________________________
1. General
The filter is balanced driven. It is matched to 50
The matching element values given below are valid on the test PCB. If the parasitics on the customer
PCB and on this PCB are different, the matching elements have to be optimised regarding the circuit
and PCB design.
There are ground pin thru’s under the filter and in the other area of the PCB but additional pin thru’s to
decrease cross talk.
The matching elements have been chosen from the E12- series (European standard series with fixed
tolerances) to get the best agreement between the PCB measurement and the measurement in a
reference test fixture.
2. Theoretical matching
The balanced driven source and load impedances of the filter are:
Source impedance:
360
|| - 1.05 pF
Load impedance:
360
|| - 1.05 pF
The values of the matching elements, which are given below, are calculated from the source and load
impedance. If the values of the matching elements are not equal to standard values the best standard
values are given in brackets.
50
Test circuit 1
5
LB-IN
version 1.2
25.09.2000
TFS360A
1/3
VI TELEFILTER
Potsdamer Strae 18
D 14 513 TELTOW / Germany
Tel: (+49) 3328 4784-52 / 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
Phone: (603) 598-0070 Fax: (603) 598-0075
e-mail: vti@vtinh.com
2
1
6
4,7,8
LB-OUT
SAW
C1
L1
C2
L4
L2
L5
L3
3
L1 = L2 = L3 = L4 = 27.5 nH
C1 = C2 = 2 pF
L5 = 91 nH
相關PDF資料 |
PDF描述 |
|---|---|
| TFS360C | SAW Filter Specification |
| TFS360F1 | Filter Specification |
| TFS360F | VI SAW濾波器(VI SAW Filter) |
| TFS36A | Filter Specification |
| TFS36B | Filter Specification |
相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TFS360B | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS360C | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:SAW Filter Specification |
| TFS360F | 制造商:Vectron International 功能描述: |
| TFS360F_00 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
| TFS360F1 | 制造商:VECTRON 制造商全稱:Vectron International, Inc 功能描述:Filter Specification |
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