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Microstrip to bifilar line

 
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demian1977



Joined: 10 Jun 2006
Posts: 16


Post25 Aug 2008 9:29   Microstrip to bifilar line

I need a transition from microstrip to bifilar line to feed a printed dipole.

Can anyone help me?

Thanks
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Eugen_E



Joined: 29 Nov 2004
Posts: 329
Helped: 30


Post25 Aug 2008 13:02   Re: Microstrip to bifilar line

Then you need a balun, this can be made as a 180deg coupler, or another solution.
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demian1977



Joined: 10 Jun 2006
Posts: 16


Post28 Aug 2008 9:07   Re: Microstrip to bifilar line

Of course you are right, but it is not so easy.

I have the ground plane of the microstrip to elliminate. If I don't do that the dipole can't radiate. but it can't be done so easily
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vfone



Joined: 10 Oct 2001
Posts: 1767
Helped: 232


Post28 Aug 2008 12:59   Re: Microstrip to bifilar line

You need a microstrip Coupled Line Balun or a Marchand Balun.
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