Not only can gain mismatch of the sigma-delta modulator be minimized, but the overload of the later stage sigma-delta modulator can also b e resolved without sacrificing the signal noise ratios (SNR) of the over all system.

• 不仅可以减轻积分三角调变器增益不匹配之困扰，并且可以解决后级积分三角调变器容易过负载之问题；然而，却不会让整体系统的讯号杂讯比(SNR)降低。