An improved programmed PWM method using walsh functionsGatlan, Leonard; Gatlan, ClarissaBEC'96 : the 5th Biennial Baltic Electronics Conference, October 7-11, 1996, Tallinn, Estonia : proceedings1996 / p. 213-216: ill Level system PSPICE simulation for AC to DC PWM converters under hysteresis controlGatlan, Clarissa; Gatlan, LeonardBEC'96 : the 5th Biennial Baltic Electronics Conference, October 7-11, 1996, Tallinn, Estonia : proceedings1996 / p. 217-220: ill