Delta - Sigma and 24 bit recording

8/12/97


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Table of Contents

Delta - Sigma and 24 bit recording

Delta - Sigma, 24-bit Recorders

MUSTAGH RESOURCES LTD.

Moving Through This Tutorial

The Need for Delta Sigma and 24-bit Recording

The Need for Greater Dynamic Range

Delta Sigma and Over Sampling

0.40 can be the average of 10 binary bits

0.43 requires more precision and must be estimated by the average of 100 binary bits

Quantization Noise - Description

Quantization Noise - Graphical

Over Sampling and Quantization Noise

Delta Sigma and Over Sampling

The Delta-Sigma Modulator

Numerical example of output

The Averaged Output for 100 clock cycles

Delta Sigma and Noise Shaping

Delta Sigma and Noise Shaping

Delta Sigma and Noise Shaping - Frequency Domain

Delta Sigma and Noise Shaping - At Low and High Frequencies

A Second Order Modulator

Delta Sigma and Noise Shaping - Higher Order Modulators

Noise Shaping

Delta Sigma and Decimation Filtering

Delta Sigma and 24-bit Recording

Mono-Frequency Test of IFP Instrument

Mono-Frequency Test of D-S Instrument

Dual-Frequency Test of IFP Instrument

Dual-Frequency Test of D-S Instrument

Weak Secondary Test of IFP Instrument

Weak Secondary Test of D-S Instrument

Delta Sigma and Dynamic Range

Delta Sigma and Dynamic Range

FFT Noise in Single Precision Frequency Domain Process

FFT Noise in Single Precision Time Domain Process

Delta Sigma and Dynamic Range

Delta Sigma and Dynamic Range

Delta Sigma and Dynamic Range

Delta Sigma and Dynamic Range

Delta Sigma and Dynamic Range

MUSTAGH RESOURCES LTD.

MUSTAGH RESOURCES LTD.

Author: Norm Cooper

Email: ncooper@mustagh.com

Home Page:

Other information:
Overview of theory and application of Delta-Sigma (24-bit) A-D converters for land seismic acquistion (PowerPoint Presentation)

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