
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: Rectified AC, single phase ........................................................................................................11
Connection layout: .............................................................................................................................................................. 11
Connection summary: ......................................................................................................................................................... 11
Purpose: ............................................................................................................................................................................. 11
How?:.................................................................................................................................................................................. 11
A little theory: .................................................................................................................................................11
Experiment 5: Rectified 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