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The conventional second-order Delta-Sigma modulator (DSM) based switching converter (SC) cannot be used for full range (−1 to +1) of input signal. The DSM becomes unstable when the normalized input signal is about 0.4. The output of the second integrator saturates the operational amplifier which is used as comparator in the single-bit quantizer. The three-phase switching converter, based on DSM with hexagonal quantizer, improves the signal to noise ratio as well as the spectral response withoutdoi:10.1587/elex.6.1259 fatcat:a4gdal3tdre3jmap67qm5tibme