Development of a 14 section linear phase filter, centered at 3908 MHz with a usable bandwidth of 72 MHz, using dual-mode resonators
Abstract
Compact, lightweight, high quality microwave (4 GHz) filters for use in satellites were considered. Specifically, delay flattening within the passband by coupling filter resonant circuits which are not consecutive in the equivalent circuit was studied. Basic measurements of couplings and investigations concerning such filters with four and eight resonant circuits show the existence of theoretically unforeseen coupling between resonant circuits, seriously disturbing the filter characteristic with increasing usable bandwidth.
- Publication:
-
NASA STI/Recon Technical Report N
- Pub Date:
- December 1979
- Bibcode:
- 1979STIN...8122304P
- Keywords:
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- Microwave Filters;
- Multimode Resonators;
- Superhigh Frequencies;
- Bandpass Filters;
- Group Velocity;
- Linear Filters;
- Microwave Coupling;
- Phase Deviation;
- Electronics and Electrical Engineering