Circuit schematics for standard parts

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Discussion Overview

The discussion revolves around understanding circuit schematics for standard electronic components, particularly in the context of learning about circuit design and specific parts like those used in USB hubs. Participants explore the complexity of circuit diagrams and seek resources for learning about common components and their representations in schematics.

Discussion Character

  • Exploratory
  • Conceptual clarification
  • Technical explanation

Main Points Raised

  • One participant expresses a desire to learn about circuit schematics for popular components, mentioning confusion over "black boxes" in diagrams.
  • Another participant suggests linking to a specific diagram for better understanding and notes the complexity of USB hub circuits, indicating that simplified diagrams may not always clarify the circuit's function.
  • A different participant inquires about commonly used parts in circuits, listing examples like adders, multiplexers, and counters, and seeks to identify other frequently used components.
  • One participant mentions the features of Quartus II, specifically the "Megafunction Wizard" for generating modules related to arithmetic and processors, indicating a resource for circuit design.

Areas of Agreement / Disagreement

Participants do not reach a consensus on specific resources or methods for understanding circuit schematics. There are multiple viewpoints regarding the complexity of diagrams and the identification of commonly used components.

Contextual Notes

Limitations include the lack of specific examples of diagrams and the potential complexity of circuits that may hinder understanding. The discussion does not resolve the question of how to simplify or interpret complex circuit schematics.

Who May Find This Useful

Individuals interested in learning about circuit design, electronics students, and those seeking to understand common electronic components and their schematic representations.

EmperorXYZ
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Circuit schematics for "standard" parts

Hi, I graduated from computer engineering, but I want to learn more about circuits. I did get the chance to play with Quartus 2 in some of my courses and I was wondering if there is a place where I can learn about the circuit schematics for the most popular parts in a circuit drawing. For examples, this all started when I wanted to see how a simple USB hub is drawn and found an article about how to build one, but it wanted me to order the TUSB2046 part from Texas Instrument. I googled that part and the drawing still gave me some "black boxes". Maybe those boxes are standard parts which every experienced electrical engineer understand, but I don't.

I wonder if there is a place where I can learn about those basic boxes and every drawing is reduced to resistors, transistors, capacitors, inductors, voltage source, etc... Thanks
 
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Perhaps if you linked to the diagram you didn't understand then someone maybe able to explain the diagram to you in a away that would make sense.

Also a usb hub is pretty complex for its size so you will probably struggle to find a diagram that is reduced right down to basic discrete components. In fact in a sort of counter intuitive manner the diagrams made up of discrete components can often be harder to understand as it gets to a stage where you can't grasp every single action of the circuit that is happening simultaneously.
 


Well, it's not one circuit in particular, but what kind of part are popular in general. I've seen in my courses adders, multiplexers, counters, ALUs, etc... I assume those are used fairly often aren't they? Are there other parts like that which are found in other devices often because they are useful. Those parts doesn't have to be simple like those I named above, but used often.
 


My Quartus II 11.0 Web Edition came with some things, for example the ability to generate modules for arithmetic and processors. You can activate this functionality with the "Megafunction Wizard", which my be accessed via the tools menu.
 

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