Inductor, Balun and Stripline Modelling software

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gszczesz

Joined: 17 May 2005
Posts: 123
Helped: 14

05 Jun 2005 0:39 stripline inductor

Program instantly generates a model for a balun, inductor, tapped inductor or stripline. It has been verified to predict 1st resonant frequency within 5%, the inductor value within 2% and the Q within 20% on substrates ranging from 200um to 400um thick.

This tool is essential in the design of LNA's, mixers, and other RF components because it lets the user quickly trade off area, inductance and resistance without having to do lengthy 2.5D modelling. Momentum can be used only as a final verification of the model found.

Version 2.3 posted here was compiled for Windows.

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bill_test36

Joined: 20 May 2003
Posts: 27

05 Jun 2005 2:15 stripline software

how do use to rf PCB Layout simulator ?
Would you provide any recommend to me for RF PCB LAUOUTsimulator method?

gszczesz

Joined: 17 May 2005
Posts: 123
Helped: 14

05 Jun 2005 2:49 stripline indutor

Although this program has not been verifyied against PCB layouts, the balun/inductor model should be just as valid as long as you adjust the substrate parameters to match the spacing and Er values of your board. The program assumes a perfect ground below the balun (as specified by the substrate thickness) so if doing PCB inductors, make sure you put a ground underneath and specify the thickness as the distance to the ground plane.

I can't recommend a program for generic PCB stripline elements (i.e. coupled lines,etc... ) because I haven't done much work in it. ADS has a good library of stripline elements, and you can use momentum to verify and do modelling of customs items. Outside of that, you should post a message in the PCB message board or if doing RF stripline elements, in the RF section.

Greg

moopa

Joined: 05 Nov 2003
Posts: 6

15 Jul 2005 4:18 stripline software

This program can used design microstrip antenna? and graphic windows interface?

rockey

Joined: 15 Jul 2005
Posts: 1

15 Jul 2005 13:47 inductor balun

Please tell me: where can I download this programme, Thanks!

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ishtiaq

Joined: 20 May 2004
Posts: 41
Helped: 1

18 Aug 2005 12:08 modelling balun

Pls any body upload Antenna design software for Turnstile Antenna and Log periodic Antennas.

Thanx in advance,

GIG,

Ishtiaq

woshifanka

Joined: 13 Jun 2005
Posts: 99

31 Aug 2005 4:33 stripline balun designs

can i use this software to connect with HFSS or other antenna softwares ?
3x

Manjunatha_hv

Joined: 03 Aug 2005
Posts: 716
Helped: 105
Location: INDIA

31 Aug 2005 6:13 balun stripline -patent

Hi bill_test36,

Use AWR microwave Office for RF PCB simulations, it has excellent Microstrip, Stripline & coplanar circuit models...which includes coupled lines, junctions, etc..

They have very unique routing elements in layout which accounts for simulation...
& again it has a built in Electromagnetic simulator, so that you can simulate critical structures in that...

so try Microwave office Linear+Layout+Em simulator for RF PCB analysis...

best of luck...

test_out

Joined: 10 Feb 2006
Posts: 136
Helped: 23

05 Sep 2006 3:21 pcb stripline

This is interesting software but when I enter the parameters for copper stripline at board level, the R, L, C be infinitive?
as in the attached file. Can you explain it for me?

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gszczesz

Joined: 17 May 2005
Posts: 123
Helped: 14

05 Sep 2006 20:35 software analysis stripline

The problem is with the Metal Conductivity... Its backwords. It should have been Metal Resistivity. Therefore while you were trying to specifiy a small resistivity, you infact specified an infinite one.

Put a small resistivity (i.e. 1E-12) and you will find the number work correctly then... Next version I'll correct it.