1 / 9

Broadband Double-Ridged Horn

Broadband Double-Ridged Horn. 1-18 GHz. Introduction. CEM Challenge Oblique and curved surfaces Tiny feed section Large overall dimension Broadband 1 - 18 GHz. Geometry. f = 1 - 18 GHz. 280 mm ( diameter 17  at 18 GHz). Feeding and Mesh. Meshing 4 GHz 18 GHz

guido
Download Presentation

Broadband Double-Ridged Horn

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Broadband Double-Ridged Horn 1-18 GHz

  2. Introduction • CEM Challenge • Oblique and curved surfaces • Tiny feed section • Large overall dimension • Broadband 1-18 GHz

  3. Geometry f = 1-18 GHz 280 mm (diameter 17  at 18 GHz)

  4. Feeding and Mesh Meshing 4 GHz18 GHz outer boundaryl / 10 l / 5 antenna surfacel / 10 l / 8 coaxial feedl / 110 l / 25

  5. Near Field f = 7 GHz f = 12 GHz

  6. FVTD Meas. 0 0 0 0 0 0 -15 -15 -15 -15 -15 -15 -30 -30 -30 -30 -30 -30 -180 -180 -180 -180 -180 -180 -90 -90 -90 -90 -90 -90 0 0 0 0 0 0 90 90 90 90 90 90 180 180 180 180 180 180 Far Field f= 7 GHz f= 2 GHz f= 12 GHz E-Plane H-Plane

  7. 3D Radiation Pattern Simulated far-field patterns f = 1-18 GHz

  8. 1 2 3 4 5 4 FVTD max. gain 2 1 3 5 Broadside Gain 16 12 8 4 0 Measured Gain (dB) FVTD Frequency (GHz)

  9. FVTD Meas. 0 -5 -10 -15 -20 -25 -30 -35 -40 2 4 6 8 10 12 14 16 18 Return Loss S11 (dB) Frequency (GHz)

More Related