Re: NEC-LIST: Designing a power splitter with a 90-degree phase

Azmat,

One more thing to add to my list of questions:

1) Source impedance
2) Load impedances
3) Bandwidth
4) Phase error
5) Any mutual coupling between the two loads such as a two-element
broadside array? Or non-coupled like crossed dipoles?

     Dave Cuthbert
     Micron Technology

-----Original Message-----
From: nec-list-admin_at_gweep.ca [mailto:nec-list-admin_at_gweep.ca] On Behalf
Of Azmat Bhatty
Sent: Tuesday, June 22, 2004 4:49 PM
To: nec-list_at_gweep.ca
Subject: NEC-LIST: Designing a power splitter with a 90-degree phase

I'm trying to design an antenna up to 250 MHz and I would like to design
a
power splitter. One of those "splits" should cause a 90-degree phase
shift. I have thought of using the "TL" line with one end having a
purely
imaginary impedance and the other end as well as the character all real
(50
ohms for real and j50 for imaginary).

Seems like the solution is too simple. Is there a better (and correct)
method to implement such a split? Thanks for the input.

Azmat Bhatty
Engineering Tech

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