design microstrip antenn using agilent ADS

hi guys

i have final project about smart antenna with butler
first i should design diffrent microstrip anttenna to get the better results
the design do by ADS
but the proble i am beginner in ads
i dont how to draw exact dimension in layout

so can any body help me how to set the dimension the antenna in layout
as example how to draw patch antenna w 2.3 mm and L 3.6 mm , these dimension i dont knowe how to set

i wait the replies,,,

thanks

Just use the "Microstip lines" in the schematic editor and when you
get what you want, send it to "layout" then simulate it . Adjust as needed.

Follow below mentioned steps to design a Microstrip Patch Antenna
1) You need to create a rectangle in Layout with width =2.3 and Length = 3.6,
2) Now create a substrate according to your Antenna design.
3) Now design a feed line with 50 ohm impedance(use line calc to calculate the width of the 50 ohm impedance microstrip line)
4) Now you need to design a pi/4 length of impedance transformer which will be between your feed line and patch. This will be your Antenna.

Now you need to create a butler matrix, you can refer various research papers for this design.
For creating butler matrix you can use schematic view to easy create hybrid couplers and cross overs.

--------
Amit
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thanks alot for all
can anyone help me by send me the ads design file for this subject
any types of desgins

thanks

ADS Lesson has a example for patch antenna, why not search in Web?

thanks
i search before but i didnt found what i need

There are many examples installed with ADS.

If you are using ADS 2099, look at these directories:
examples\Tutorial
examples\Training\Momentum
examples\Momentum\Antenna

The User's Guide in PDF format can be found at
\doc\pdf\usrguide.pdf

I am using ADS2011

Excellent. You can find the examples that I mentioned above, and additional documenation, from the startup screen:

thanks alot my friend
this very helpfull
so if possible to help me in my subject design if you know is design microstrip antenna with butler matrix in diffrents form
i need more design layout so i can design it by ads
thank you

Wait for ADS2012, there is a example called Smart_Antenna in MultiTech_Module folder, it is exactly what you need(Adaptive Array triggered by SPQT)

thanks alot
my project about microstrip antenna array with butler matrix
which is type of beamforming network
if anyone can help me to design in diffrent
types

thanks for replies

can any body help me in this point in more details
3) Now design a feed line with 50 ohm impedance(use line calc to calculate the width of the 50 ohm impedance microstrip line

i dont know how to match the antenna to 50 ohm

i wait the helps

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