Hybrid method of single sideband signal generation.
Ewing, Gerald D.
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The Hybrid SSB-signal generation method is introduced. It is a combination of phase-shift and filter methods in SSB-signal generation. The motivation is to design a high degree of unwanted signal suppression with less complexities. Computer analysis is used to determine the correct time-constants to achieve high degree phase-shift accuracy. The way is open for designing an even higher degree of performance by increasing the all-pass network order or the number of Chebyshev function poles within a reasonable practicality. Due to effective utilization of the phase-shift method, the hybrid-method has a significant advantage in the low audio frequency range and helps the burdens of the demodulation process. The hybrid SSB-signal generation technique may find its greatest potential for multichannel sound transmission over international telecommunication paths. Inductorless realization makes It attractive and compatible with miniaturization.
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