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A Novel Narrow-Band Bandpass Filter and Its Application to SSB Communication
Xiaoxing ZHANG Masahiro IWAHASHI Noriyoshi KAMBAYASHI
IEICE TRANSACTIONS on Electronics
Publication Date: 1997/07/25
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on New Concept Device and Novel Architecture LSIs)
Category: Neural Networks and Chips
complex analog filter, bandpass filter, analytic signal, phase shift, single sideband (SSB) communication,
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In this paper a novel narrow-band bandpass filter with an output pair of analytic signals is presented. Since it is based on the complex analog filter, both synthesis and response characteristics of this filter are different from conventional bandpass filters. In the design of this filter, the frequency shift method is employed and the conventional lowpass to bandpass frequency transformation is not required. The analysis and examples show that the output signal pair of the proposed filter possesses same filtering characteristics and a 90 degree phase shifting characteristics in the passband. Therefore, the proposed filter will be used for a single sideband (SSB) signal generator without quadrature generator.