Innovative demodulation method for SSB technique

摘要

A single sideband (SSB) demodulation method is described, in whichnfrequency mixing is not required. The proposed method is based on thenphase shift method, but no local oscillator is employed. The IQndemodulator is replaced with an envelope detector and an FM demodulator.nIt can replace the synchronous demodulation method, which requires annexpensive phase-locked loop for carrier recovery. Not only is lessninterference encountered in the proposed circuit, but the productionncosts of the SSB and independent sideband receiver are low. Furthermore,nthe Doppler effect is not a serious problem since the carrierntransmitted by the transmitter is used for demodulation