Version 1.0, August 31, 2001, Copyright, Hugh Jack 1993-2001

2.2 CIRCUIT DIAGRAMS

 

· Most of us will have seen a circuit diagram in the past, but there are some terms and conventions of importance when constructing and reading these diagrams.

 

· Generally,

  1. - we try to have positive voltages at the top, and sources on the left hand side.
  2. - each device has input/output terminals that are connected to nodes (black dots). They may not be drawn for simple connections, but are implied.
  3. - standard schematic symbols are available to reduce ambiguity.
  4. - All components are labelled with variable names or values.

 

· Consider the example,