Contents
Getting started ..................................................................................................................................................... 2
Oscilloscope basics ............................................................................................................................................ 4
Analog versus digital: .......................................................................................................................................................... 4
Waveforms:
......................................................................................................................................................................... 4
Measuring
probe:
................................................................................................................................................................ 5
Connecting the probe: ......................................................................................................................................................... 5
Setting up the board: ........................................................................................................................................................... 5
Experiment 1: Measuring AC voltage ................................................................................................................ 6
Connection
layout:
.............................................................................................................................................................. 6
Connection
summary:
......................................................................................................................................................... 6
Purpose:
............................................................................................................................................................................. 6
How?:
.................................................................................................................................................................................. 6
What we see: ...................................................................................................................................................................... 6
Experiment 2: Adjustable AC voltage ............................................................................................................... 7
Connection
layout:
.............................................................................................................................................................. 7
Connection
summary:
......................................................................................................................................................... 7
Purpose:
............................................................................................................................................................................. 7
How?:
.................................................................................................................................................................................. 7
Experiment 3: Measuring AC grid frequency and period ............................................................................... 9
Connection
layout:
.............................................................................................................................................................. 9
Connection
summary:
......................................................................................................................................................... 9
Purpose:
............................................................................................................................................................................. 9
How?:
.................................................................................................................................................................................. 9
Experiment 4: Rectifi ed AC, single phase ........................................................................................................ 11
Connection
layout:
.............................................................................................................................................................. 11
Connection
summary:
......................................................................................................................................................... 11
Purpose:
............................................................................................................................................................................. 11
How?:
.................................................................................................................................................................................. 11
A little theory:
................................................................................................................................................. 11
Experiment 5: Rectifi ed AC, dual phase .......................................................................................................... 12
Connection
layout:
.............................................................................................................................................................. 12
Connection
summary:
......................................................................................................................................................... 12
Purpose:
............................................................................................................................................................................. 12
How?:
.................................................................................................................................................................................. 12
A little theory: ...................................................................................................................................................................... 13
Exercise:
............................................................................................................................................................................ 13
Experiment 6: Smoothed versus unsmoothed DC (ripple) ........................................................................... 14
Connection
layout:
.............................................................................................................................................................. 14
Connection
summary:
......................................................................................................................................................... 14
Purpose:
............................................................................................................................................................................. 14
A little theory: ...................................................................................................................................................................... 14
How?:
.................................................................................................................................................................................. 14
Experiment 7: DC measurement ....................................................................................................................... 16
Connection
layout:
.............................................................................................................................................................. 16
Connection
summary:
......................................................................................................................................................... 16
Purpose:
............................................................................................................................................................................. 16
How?:
.................................................................................................................................................................................. 16
Exercise:
............................................................................................................................................................................. 17
Experiment 8: Waveform with adjustable frequency ...................................................................................... 18
Connection
layout:
.............................................................................................................................................................. 18
Connection
summary:
......................................................................................................................................................... 18
Purpose:
............................................................................................................................................................................. 18
How?:
.................................................................................................................................................................................. 18
How does it work? ............................................................................................................................................................. 19
Exercise:
............................................................................................................................................................................. 19
What is the purpose of the ‘slope’-symbol? ...................................................................................................................... 19
Glossary ............................................................................................................................................................... 20
Diagram ................................................................................................................................................................ 22