8.8.2000 TELEFILTER General Application Note 210E

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8.8.2000 TELEFILTER General Application Note 210E

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8.8.2000
TELEFILTER
General
Application Note
210E
filter driven single ended. matched matching element values given below valid test PCB. parasitics customer this different, matching elements have optimised regarding circuit design. matching elements have been chosen from E12- series (European standard series with fixed tolerances) best agreement between measurement measurement reference test fixture. Theoretical matching balanced driven source load impedances filter are: Source impedance: -9.2 Load impedance: -.5,7 values matching elements which given below calculated from source load impedance. values matching elements equal standard values best standard values given brackets. 2.1. Single ended matching
Input Output
1,2,3,5,6,7, 8,9,11,12
(82nH) (27pF) 2.2. Ballanced matching
LB-IN
(120nH) (18pF)
LB-OUT
Input
Output
1,2,5,6,7,8,11,12
L1=38 L2=38 C1=27
L3=58 L4=58 C2=18
TELEFILTER Potsdamer TELTOW Germany Tel: (+49) 3328 4784-52 Fax: (+49) 3328 4784-30 E-Mail: tft@telefilter.com
Vectron International, Inc. Lowell Road Hudson, 03051 Tel: (603) 598-0070 Fax: (603) 598-0075 E-Mail: vti@vtinh.com
TELEFILTER reserves right make changes product(s) and/or information contained herein without notice. liability assumed result their application. rights under patent accompany sale such product(s) information.
8.8.2000
TELEFILTER
Matching 3.1.
Input
Application Note
210E
Single ended matching
Output
1,2,3,5,6,7, 8,9,11,12
matching does slightly differ from theoretical matching. reason that parasitics PCB. parasitics customer board (mentioned parasitics, additional parasitics active parts) different this matching elements have slightly adjusted. 3.2. Balanced ended matching
LB-IN LB-OUT
Input
Output
1,2,5,6,7,8,11,12
matching does slightly differ from theoretical matching. reason that parasitics PCB. parasitics customer board (mentioned parasitics, additional parasitics active parts) different this matching elements have slightly adjusted.
TELEFILTER Potsdamer TELTOW Germany Tel: (+49) 3328 4784-52 Fax: (+49) 3328 4784-30 E-Mail: tft@telefilter.com
Vectron International, Inc. Lowell Road Hudson, 03051 Tel: (603) 598-0070 Fax: (603) 598-0075 E-Mail: vti@vtinh.com
TELEFILTER reserves right make changes product(s) and/or information contained herein without notice. liability assumed result their application. rights under patent accompany sale such product(s) information.

8.8.2000 TELEFILTER General Application Note 210E

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