Single Amplifier Sigma Delta Modulator With Input Feedforward
X Yuan, S Signell, X Wu - APCCAS 2006-2006 IEEE Asia …, 2006 - ieeexplore.ieee.org
X Yuan, S Signell, X Wu
APCCAS 2006-2006 IEEE Asia Pacific Conference on Circuits and Systems, 2006•ieeexplore.ieee.orgIt has recently become very popular to feedforward the input signal in wideband delta-sigma
modulators, so that the integrators only process quantization errors. The advantage is that
the actual signal is not distorted by op-amp and integrator nonlinearities. The paper applies
this technique to single amplifier based sigma delta modulator in both analog and digital
way. Their characteristic has been analyzed and simulation results are given which show
the improved performance
modulators, so that the integrators only process quantization errors. The advantage is that
the actual signal is not distorted by op-amp and integrator nonlinearities. The paper applies
this technique to single amplifier based sigma delta modulator in both analog and digital
way. Their characteristic has been analyzed and simulation results are given which show
the improved performance
It has recently become very popular to feedforward the input signal in wideband delta-sigma modulators, so that the integrators only process quantization errors. The advantage is that the actual signal is not distorted by op-amp and integrator nonlinearities. The paper applies this technique to single amplifier based sigma delta modulator in both analog and digital way. Their characteristic has been analyzed and simulation results are given which show the improved performance
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