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

difference between measurements and simulation of my antenna

Status
Not open for further replies.
J

jamesy

Newbie level 6
Newbie level 6
Joined
Jan 15, 2015
Messages
12
Helped
0
Reputation
0
Reaction score
0
Trophy points
1
Visit site
Activity points
73
hey ,

im simulating a Helix antenna but i have some Problems the Simulation with cst dont fit the measurements i made . i uploaded some results and some pics . will be happy about any help
thx
 

Attachments

  • meas02 antenne an port 1.JPG
    meas02 antenne an port 1.JPG
    1.8 MB · Views: 108
  • Vergleich - Langes und kurzes Kabel.png
    Vergleich - Langes und kurzes Kabel.png
    22 KB · Views: 134
  • Antenna_on_plane1.png
    Antenna_on_plane1.png
    23.6 KB · Views: 114
  • S11_from_cst_studio1.png
    S11_from_cst_studio1.png
    22.3 KB · Views: 110

The ripple at low frequency looks like your time domain simulation was aborted too early (not enough timesteps).
 

and how can i do to solve the problem ? how can i make more timesteps ?
 

Status
Not open for further replies.

Similar threads

Part and Inventory Search

Welcome to EDABoard.com

Sponsor

Back
Top