Circuit Diagrams Explained: 3-Line, Single Line & Ladder

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SUMMARY

This discussion clarifies the distinctions between three-line, single-line, and ladder circuit diagrams. Three-line diagrams represent all three phases of a circuit, providing detailed information about each component. Single-line diagrams simplify this by using a single line to represent multiple phases, ideal for high-level overviews. Ladder diagrams, commonly used in control systems, illustrate the control logic in a format resembling a ladder, with rungs representing control circuits.

PREREQUISITES
  • Understanding of electrical circuit components
  • Familiarity with electrical engineering principles
  • Knowledge of control systems and their diagrams
  • Basic skills in reading and interpreting technical drawings
NEXT STEPS
  • Research the standards for creating three-line diagrams in electrical engineering
  • Learn about the applications and advantages of single-line diagrams
  • Explore ladder diagram programming for PLCs (Programmable Logic Controllers)
  • Study the differences between schematic and wiring diagrams
USEFUL FOR

Electrical engineers, technicians, and students studying circuit design and control systems will benefit from this discussion.

M.Samad-CNAQ-
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HI every one,i m confused between three line,single line and ladder circuit diagrams.Plz tell brief discription about them.
 
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M.Samad-CNAQ- said:
HI every one,i m confused between three line,single line and ladder circuit diagrams.Plz tell brief discription about them.

Could you please provide examples of each?
 
Most likely this can only be answered by an "old timer". I am making measurements on an uA709 op amp (metal can). I would like to calculate the frequency rolloff curves (I can measure them). I assume the compensation is via the miller effect. To do the calculations I would need to know the gain of the transistors and the effective resistance seen at the compensation terminals, not including the values I put there. Anyone know those values?

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