DESIGN TECHNIQUES FOR TEM NETWORKS.
Semi-annual rept. no. 1, 15 Jan-15 Aug 66,
BENDIX RESEARCH LABS SOUTHFIELD MI
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This report presents the results of an investigation to 1 develop compact wideband high-selectivity microwave band-stop and diplexing filters and 2 investigate new equivalent circuit techniques. Modern network synthesis methods, employing Richards hyperbolic tangent transformation, are used as the basis of the investigation. A general theory of microwave filters with equal ripple response in both pass and stop bands is presented. A solution to the approximation problem is given and appropriate synthesis techniques and network realizations are described and evaluated. Detailed design procedures and experimental results are presented for a practical elliptic-function filter form capable of achieving extremely high selectivity in a very compact configuration. This filter, called the DIGITAL ELLIPTIC, can provide either band-pass or band-stop characteristics. A discussion of the application of DIGITAL ELLIPTIC component filters to diplexers is given.
- Electrical and Electronic Equipment