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.

CST: abnormal number for radiated efficiency.

Status
Not open for further replies.

arr_baobao

Full Member level 2
Joined
Nov 1, 2011
Messages
134
Helped
0
Reputation
0
Reaction score
0
Trophy points
1,296
Activity points
2,316
Hi all,

im stimulating a 880-990MHz and 1.71 -2.17Ghz cellular PIFA pcb antenna with CST.
once done with the antenna structure, S11 and total eff. look good.
but im seeing abnormal high number(spike) at lower side for radiated efficiency. can anyone know what the root cause and how to fixed it.
thanks.

S11
IMG_5457.jpg
Total efficiency
IMG_5455.jpg
radiated efficiency
IMG_5456.jpg
 

Status
Not open for further replies.

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top