DC CIRCUIT TERMINOLOGYBasic DC TheoryBlockDiagramFigure 10 One-Line DiagramA block diagram is used to show the relationship between component groups, or stages in acircuit. In block form, it shows the path through a circuit from input to output (Figure 11). Theblocks are drawn in the form of squares or rectangles connected by single lines with arrowheadsat the terminal end, showing the direction of the signal path from input to output. Normally, thenecessary information to describe the stages of components is contained in the blocks.ES-02 Page 14 Rev. 0
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