Table of Contents
1.0 Introduction.............................................................................................................................................................................................. 5
2.0 Quick Start .............................................................................................................................................................................................. 5
3.0 Functional Description ............................................................................................................................................................................ 5
3.1 Input signal conditioning....................................................................................................................................................... 5
3.2 ADC reference circuitry. ....................................................................................................................................................... 5
3.3 Board Outputs. ..................................................................................................................................................................... 6
3.4 Board Control. ...................................................................................................................................................................... 6
3.5 Data Memory. ....................................................................................................................................................................... 6
3.6 Computer Interface............................................................................................................................................................... 6
3.7 Power requirements. ............................................................................................................................................................ 6
4.0 Installing and using the ADC14071 Evaluation Board and WaveVision Software.................................................................................. 6
4.1 Software Installation ............................................................................................................................................................. 7
4.2 Setting up the ADC14071 Evaluation Board ........................................................................................................................ 7
4.2.1 Board Set-up................................................................................................................................................... 7
4.2.2 Quick Check of Analog Functions .................................................................................................................. 7
4.2.3 Quick Check of Software and Computer Interface Operation ........................................................................ 7
4.2.4 Getting Consistent Readings.......................................................................................................................... 8
4.2.5 Jumper Information......................................................................................................................................... 8
4.2.6 Troubleshooting.............................................................................................................................................. 8
5.0 Exploring the Waveform.......................................................................................................................................................................... 9
5.1 Signal Purity ......................................................................................................................................................................... 9
5.1.1 Evaluating a Sine Wave.................................................................................................................................. 9
5.1.2 Low Frequency Triangle Wave Input.............................................................................................................. 9
5.1.2.1 Monotonicity and Uncertainty.................................................................................................... 9
5.1.2.2 Rising / Falling Symmetry ......................................................................................................... 10
5.2 The FFT Plot ........................................................................................................................................................................ 10
5.2.1 Dynamic Performance Estimates................................................................................................................... 10
5.2.2 Bandwidth Estimation ..................................................................................................................................... 10
6.0 Computer-Board Communications ......................................................................................................................................................... 10
7.0 Circuit Description and Hardware Schematics....................................................................................................................................... 10
7.1 Input, Reference and Test Device Section........................................................................................................................... 10
7.2 Control, Memory, Communications and Power Supply Section .......................................................................................... 10
7.3 The Reset Button ................................................................................................................................................................. 10
7.4 Hardware Schematics .......................................................................................................................................................... 12
8.0 Bill of Materials........................................................................................................................................................................................ 14
9.0 Saving and Retrieving Files .................................................................................................................................................................... 15
9.1 Binary Files........................................................................................................................................................................... 15
9.1 ASCII Files............................................................................................................................................................................ 15
10.0 Evaluation Board Specifications ........................................................................................................................................................... 15
APPENDIX - WaveVision Screens ............................................................................................................................................................... 16
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