Electronic InstrumentationExperiment 2

* Part A: Lissajous Figures and Agilent Software

* Part B: Bridges, Capacitors and Sweeps

* Part C: Strain Gauges and Potentiometers

Part A

Lissajous Figures Agilent Intuilink Software

Lissajous Figures

http://encyclozine.com/Science/Mathematics/Graphs/Lissajous/

Cathode Ray Tubes

http://www.chem.uiuc.edu/clcwebsite/video/Cath.avi

x input

y input

Cathode Ray Tubes

http://webclass.cqu.edu.au/Units/81120_FOCT_Hardware/Study_Material/Study_Guide/chap2/toc.html

Oscilloscopes

http://boson.physics.sc.edu/~hoskins/Demos/CathodeRay.html

Lissajous Figures

Lissajous Example 1

Lissajous Example 2

Lissajous Example 3

More Figures

Agilent Intuilink Software

Lets you get pictures and data from ‘scope Embedded toolbar in Word and Excel Toolbar Commands

• camera icon to take pictures• sine wave icon to take data

If you have trouble, ask for help.

http://we.home.agilent.com/upload/cmc_upload/tmo/downloads/EPSG072817.PDF and http://we.home.agilent.com/upload/cmc_upload/tmo/downloads/EPSG072831.pdf

Part B

Bridges Capacitors Sweeps

Wheatstone Bridge

Bridge Circuits

A bridge is just two voltage dividers in parallel. The output is the difference between the two dividers.

Capacitors

Capacitors in Series

Capacitors in Parallel

Understanding Capacitor Behavior

Capacitor Impedance

DC Sweeps

AC Sweeps

Notes on Logarithmic Scales

Part C

Strain Gauges Potentiometers

Strain Gauges

Strain Gauge in a Bridge Circuit

Potentiometers “Pots”

More on Pots