Nortans Theorem

Norton's Theorem (5.3, 8.8) Dr. Holbert March 20, 2006 ECE201 Lect-14

Introduction ,[object Object],[object Object],[object Object],ECE201 Lect-14

Independent Sources ECE201 Lect-14 Circuit with one or more independent sources R Th Norton equivalent circuit I sc

No Independent Sources ECE201 Lect-14 Circuit without independent sources R Th Norton equivalent circuit

Finding the Norton Equivalent ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],ECE201 Lect-14

Example: Strain Gauge ,[object Object],[object Object],[object Object],ECE201 Lect-14

A Strain Gauge ,[object Object],[object Object],[object Object],ECE201 Lect-14 Backing Foil

Typical values ,[object Object],[object Object],[object Object],[object Object],[object Object],ECE201 Lect-14

Measuring Small Changes in R ,[object Object],[object Object],ECE201 Lect-14

The Bridge Circuit ECE201 Lect-14 R+  R V ex R R R + – V out + –

Norton Equivalent for Any  ECE201 Lect-14

Thevenin/Norton Analysis ,[object Object],[object Object],[object Object],[object Object],ECE201 Lect-14

Thevenin/Norton Analysis ,[object Object],[object Object],[object Object],[object Object],[object Object],ECE201 Lect-14

Nortans Theorem

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Nortans Theorem