Continue to Site

Welcome to EDAboard.com

Welcome to our site! EDAboard.com is an international Electronics Discussion Forum focused on EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals... and a whole lot more! To participate you need to register. Registration is free. Click here to register now.

Register Log in

About pattern and gain of antenna

Status
Not open for further replies.
L

llololl

Junior Member level 3
Junior Member level 3
Joined
Jan 2, 2008
Messages
26
Helped
4
Reputation
8
Reaction score
1
Trophy points
1,283
Location
Thailand
Activity points
1,412
I have a Big problem about pattern and gain of antenna in thesis.

So,I designed ring antenna like "CPW-fed crescent patch antenna for UWB

applications by M.-E. Chen and J.-H. Wang".

But My pattern and gain are not cover in UWB.

Who has any ideas for be a good advise to develop my antenna.

1.design and improve pattern

2.increase gain for cover all frequency in UWB.

please help me

thanks & Regards,
 

hi llololl!!
The uwb application spetrum is from 3.1 to 10.6GHz. At your simulated results of antenna gains, I could assumed in the higher band(7-10.6GHz) has no resonate mode exist. You can adds a short current path to generate a mode. Therefore, a wideband operating can be obtained.
 

    L

    llololl

    Points: 2
    Helpful Answer Positive Rating
Thanks for idea.

nj1943 said:
You can adds a short current path to generate a mode. Therefore, a wideband operating can be obtained.
Click to expand...
how do it in IE3D?
 

Hi, llololl:

It is tought to get UWB for impedance. It is even tougher to get UWB performance for patterns. For the particular antenna, the gain at (theta,phi)=(0,0) is ok below 7 GHz. There is a dip at 9 GHz at (0,0). The peak of the gain at 9 GHz is at other angles.

Best regards,
 

    L

    llololl

    Points: 2
    Helpful Answer Positive Rating
Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top