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Design >> Mixed-Signal Design >> discrete time delta sigma
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Message started by aman gupta on Sep 21^st, 2013, 5:07am

Title: discrete time delta sigma
Post by aman gupta on Sep 21^st, 2013, 5:07am

In CRFB structure of delta sigma modulator, what is 'resonator' here ?

Title: Re: discrete time delta sigma
Post by danmiso on Dec 11^th, 2013, 11:59pm

Two cascaded integrators (one delayed and one nondelayed) with feedback (-g1) forms one resonator (resonant frequency is a function of g1).