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At least N+1 finite transmission zeros using frequency-variant negative source-load coupling |
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| Authors: | Sanghoon Shin Snyder RV |
| Affiliation: | RS Microwave Co. Inc., Butler, NJ, USA; |
| Abstract: | A second-order cross-coupled combline filter which has three finite transmission zeros is presented. The problem of the frequency-invariant coupling in a real circuit is introduced. To make extra transmission zeros, a top metalized dielectric block is used. |
| Keywords: | |