Analog

Mixed-signal model of a MEMS accelerometer using a digital feedback loop

Algorithms

SigmaDelta

Browsable image of the model.

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SigmaDeltamodel <h2>Average 50 samples</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>decimation</td><td>50</td><td>50</td></tr><tr><td>decimationPhase</td><td>0</td><td>0</td></tr><tr><td>interpolation</td><td>1</td><td>1</td></tr><tr><td>taps</td><td>repeat(50, 0.02)</td><td>{0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02, 0.02}</td></tr></table> <h2>Moving Average</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>decimation</td><td>1</td><td>1</td></tr><tr><td>decimationPhase</td><td>0</td><td>0</td></tr><tr><td>interpolation</td><td>1</td><td>1</td></tr><tr><td>taps</td><td>{0.1, 0.1, 0.1, 0.1, 0.1, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05}</td><td>{0.1, 0.1, 0.1, 0.1, 0.1, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05, 0.05}</td></tr></table> <h2>DEPlot</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>fillOnWrapup</td><td>true</td><td>true</td></tr><tr><td>legend</td><td>&nbsp;</td><td>&nbsp;</td></tr><tr><td>startingDataset</td><td>0</td><td>0</td></tr><tr><td>fileName</td><td>Enter Filename to save plot</td><td>&quot;Enter Filename to save plot&quot;</td></tr><tr><td>viewPlot</td><td>true</td><td>true</td></tr><tr><td>savePlot</td><td>false</td><td>false</td></tr></table> <h2>Quantizer</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>levels</td><td>{-1.0, 1.0}</td><td>{-1.0, 1.0}</td></tr></table> <h2>FIR Filter</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>decimation</td><td>1</td><td>1</td></tr><tr><td>decimationPhase</td><td>0</td><td>0</td></tr><tr><td>interpolation</td><td>1</td><td>1</td></tr><tr><td>taps</td><td>{0.7, 0.3}</td><td>{0.7, 0.3}</td></tr></table> <h2>delay</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>delay</td><td>0.02</td><td>0.02</td></tr></table> <h2>CTSubsystem</h2><table border="1"><tr><td><b>Parameter</b></td><td><b>Expression</b></td><td><b>Value</b></td></tr><tr><td>Block_Documentation</td><td>Enter User Documentation Here</td><td>Enter User Documentation Here</td></tr><tr><td>samplePeriod</td><td>samplePeriod</td><td>0.02</td></tr><tr><td>feedbackGain</td><td>feedbackGain</td><td>-20.0</td></tr></table>