Where can I find electronic circuits classified by “difficulty level”?

You could look at textbooks like The Art of Electronics or Microelectronic Circuits, or university lab exercises and MIT OpenCourseWare, which often indicate circuit difficulty. Open-source sites like CircuitVerse sometimes tag circuits by complexity, too.

AlissonOliveira17 said:

On my ResearchGate profile

I tried to look that up but didn't get anywhere - entering Alisson Oliveira into the ResearchGate search bar does not lead any where useful.

Some links to actual papers in English would be more helpful.

I'm interested that you appear to associate complexity and difficulty without a definition when the two are at best loosely correlated and both are very context dependent.

It would be interesting if you were to explain the purpose of your research in rather more detail.

MK

michaelkellett said:

I tried to look that up but didn't get anywhere - entering Alisson Oliveira into the ResearchGate search bar does not lead any where useful.

www.researchgate.net/.../Alisson-Oliveira-Lab-3 for context.

Edit: there's a better link here: RE: Where can I find electronic circuits classified by “difficulty level”?  

Thanks  cstanton  - I found  a couple of papers in English by working back from that link.

MK 

Hello, Here is my researchGate link: www.researchgate.net/.../Alisson-Oliveira-17

I'm not sure what you are referring to when you say complexity or difficulty. Schematics are just simple diagrams showing what components are connected together. In that sense complexity is mostly related to how many connections are made in the schematic.

If you are referring to how hard it is to understand what a circuit is supposed to do, it could be approximated by determining how much reading and study is required to understand each component and its interaction with other components. One way to characterize this is how many pages of datasheet are needed to explain every component.

If you are talking about the complexity of circuit boards, their complexity is proportional to several factors:

• The denser the component layout, the harder it is to achieve
• The higher the frequencies on the board are, the harder it is to calculate parasitic influences of the board and other components (which are seldom detailed in datasheets)
• The more power required in the circuit the harder it is to manage thermal performance

etc.

It is often hard to separate software from the discussion of circuit complexity, since a lot of circuit functions are actually performed in software these days.

Some poorly documented circuits require a lot of knowledge and experience to decipher. For well documented circuits the size of the description document is an indicator of complexity.

I would agree to what doug said, and add the fact that difficulty is a relative measure that assumes a baseline understanding.  The more experienced or skilled a person is in a particular subject, the less difficult projects in that subject will be.