Oversampling A/D Conversion

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Presentation transcript:

Oversampling A/D Conversion Dr. Hossein Shamsi ECE Dept, K.N. Toosi University of Technology

Why oversampling? Maxim

Anti-Alias Filtering Maxim

Quantization Noise Maxim

Digital Noise Filter (1) Maxim

Digital Noise Filter (2) Maxim

Noise Shaping Maxim

Noise Shaping Using Feedback (1) Maxim

Noise Shaping Using Feedback (2) Maxim

Discrete Time Integrator Maxim

First Order “Delta-Sigma” Modulator Maxim

NTF Frequency Domain Analysis Maxim

In-Band Quantization Noise (1) Maxim

In-Band Quantization Noise (2) Maxim

SQNR Improvement Maxim

DAC Requirements Maxim

Modulator with Single-Bit Quantizer Maxim

Simulated Response Maxim

Spectrum Maxim

Higher Order Modulators Maxim

In-Band Quantization Noise Maxim

In-Band Quantization Noise Maxim

Building a Second-Order Modulator Maxim

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