Two New Ka-Band Traveling Wave Power Divider/Combiner Designs
| dc.contributor.advisor | A. Mortazawi, Chair | en_US |
| dc.contributor.advisor | J.F.Kauffman, Member | en_US |
| dc.contributor.advisor | G.Lazzi, Member | en_US |
| dc.contributor.author | Jiang, Xin | en_US |
| dc.date.accessioned | 2010-04-02T18:12:29Z | |
| dc.date.available | 2010-04-02T18:12:29Z | |
| dc.date.issued | 2001-06-25 | en_US |
| dc.degree.discipline | Electrical Engineering | en_US |
| dc.degree.level | Master's Thesis | en_US |
| dc.degree.name | MS | en_US |
| dc.description.abstract | The purpose of this thesis is to develop a traveling wave power dividing/combining technique for a Ka-band 32-device high power amplifier system. Based on this technique, two main components of the power amplifier system have been designed. One component is a back-to-back connected 4-way waveguide-to-waveguide power divider/combiner and the other one is a back-to-back connected 8-way waveguide-to-microstrip power divider/combiner. Of the two components, the former has exhibited a 4 GHz (~12.5%) 0.5 dB bandwidth with 0.15 dB insertion loss at 32 GHz in simulation. The later utilizes a novel power coupling structure, which has the advantages of low profile, ease of fabrication and efficient heat sinking for the solid-state amplifiers. It was fabricated and experiments on this passive structure have demonstrated a minimum overall insertion loss of 1.8 dB at 32.5 GHz with a 3 dB bandwidth of 15%. The power amplifier composed of these two traveling-wave designs offers a potential broadband solution for solid-state amplifiers applied in high power millimeter-wave systems. | en_US |
| dc.identifier.other | etd-20010621-232340 | en_US |
| dc.identifier.uri | http://www.lib.ncsu.edu/resolver/1840.16/2339 | |
| dc.rights | I hereby certify that, if appropriate, I have obtained and attached hereto a written permission statement from the owner(s) of each third party copyrighted matter to be included in my thesis, dissertation, or project report, allowing distribution as specified below. I certify that the version I submitted is the same as that approved by my advisory committee. I hereby grant to NC State University or its agents the non-exclusive license to archive and make accessible, under the conditions specified below, my thesis, dissertation, or project report in whole or in part in all forms of media, now or hereafter known. I retain all other ownership rights to the copyright of the thesis, dissertation or project report. I also retain the right to use in future works (such as articles or books) all or part of this thesis, dissertation, or project report. | en_US |
| dc.title | Two New Ka-Band Traveling Wave Power Divider/Combiner Designs | en_US |
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