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Conference Paper
A Self-Equalized 8-poles Channel Filter for Ka-band Satellite Payloads
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- Authors
- Hongyeal Lee, Manseok Uhm, Inbok Yom, Duckki Baek, Pilyong Lee
- Issue Date
- 2019-08
- Citation
- Asia-Pacific Conference on Antennas and Propagation (APCAP) 2019, pp.418-419
- Language
- English
- Type
- Conference Paper
- Abstract
- In this paper, we design a waveguide input channel filter that can be used in the Ka-band next generation satellite payloads. The designed input channel filter adopts the eighth order and uses circular waveguide cavities with a dual resonance mode in order to satisfy high frequency selectivity. Also, it is designed to have self-equalized group delay function to reduce weight and volume. The eighth order input channel filter using a circular waveguide was fabricated to verify the design results. The measurement results showed similar characteristics to the design results. The cut-off performances were 64dB at f0 ± 80MHz and the group delay was less than 4.7ns(p-p) in the range of f0 ± 40MHz.
- KSP Keywords
- At f, Cut-off, Feature selection(FS), Group Delay Function, High Frequency(HF), High Frequency Selectivity, P-p, Resonance mode, Waveguide cavities, circular waveguide, ka-band