naalald
Full Member level 4
Hi,
In this paper, when modeling the Opamp SR and BW, it's said "the unity gain frequency of the integrator loop-gain " (pp. 356, part V. B).
P. Malcovati et al., "Behavioral Modeling of Switched-Capacitor Sigma-Delta Modulators," IEEE Trans on Circuits Syst. I, vol. 50, no. 3, pp. 352-364, Mar. 2003.
The paper is here:
The question is, what is the relation between the GBW (unity gain frequency) of the integrator loop-gain and the GBW (unity gain frequency) of the Opamp?
Is this right?
In which β is the feedback factor of the integrator.
If not, what is the relation? Why?
In this paper, when modeling the Opamp SR and BW, it's said "the unity gain frequency of the integrator loop-gain " (pp. 356, part V. B).
P. Malcovati et al., "Behavioral Modeling of Switched-Capacitor Sigma-Delta Modulators," IEEE Trans on Circuits Syst. I, vol. 50, no. 3, pp. 352-364, Mar. 2003.
The paper is here:
The question is, what is the relation between the GBW (unity gain frequency) of the integrator loop-gain and the GBW (unity gain frequency) of the Opamp?
Is this right?
In which β is the feedback factor of the integrator.
If not, what is the relation? Why?