Electronics > Beginners
Does a DSO scope sweep from left to right and how a trigger stabilizes a signal?
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IDEngineer:

--- Quote from: hamster_nz on January 10, 2019, 07:34:42 am ---Qn: Hi! I want to buy a car, but not too sure if I need one with Electronic ignition and Traction control or not. Actually I don't understand traction control. Does it apply brakes to each wheel, or does it control the throttle?
--- End quote ---
That analogy is inaccurate. It's like a newbie asking about advanced triggering and delayed timebases, as cited earlier in this thread. Actually, even worse... since electronic ignition and traction control operate autonomously and require zero driver input whether the driver is a novice or experienced. Perhaps a similar analogy would be "Should I buy a scope with a linear or switching power supply?", again a behind-the-scenes "feature" that requires zero involvement from the operator.


--- Quote ---people who tell you otherwise have very different appreciation for the worth of these things from most, usually through nostalgia, passion,  or a "I learned so much using one of these, you can too!" kind of way.
--- End quote ---
Or perhaps we've actually trained people using both types of scopes and have seen how the learning curve is improved by starting with an analog scope. But hey, that's just me and my actual personal experiences teaching other people how to use scopes. The opinions of others who have trained lots of actual people to use actual scopes is just as valid as mine. YMMV, and I'm seriously not trying to start or perpetuate an argument - just trying to help someone who is asking how to use scopes.

Next up: Tabs or Spaces in source code?  >:D
Brumby:
Analogy fails:

--- Quote from: rstofer on January 10, 2019, 07:14:03 pm ---NASCAR (at some levels) will allow drivers to be as young as 14 so there is no chance they have a driver's license.  Some leagues go as low as 12!

--- End quote ---
OK.  I didn't know that.



--- Quote from: IDEngineer on January 10, 2019, 11:19:46 pm ---
--- Quote from: hamster_nz on January 10, 2019, 07:34:42 am ---Qn: Hi! I want to buy a car, but not too sure if I need one with Electronic ignition and Traction control or not. Actually I don't understand traction control. Does it apply brakes to each wheel, or does it control the throttle?
--- End quote ---
That analogy is inaccurate. It's like a newbie asking about advanced triggering and delayed timebases, as cited earlier in this thread. Actually, even worse... since electronic ignition and traction control operate autonomously and require zero driver input whether the driver is a novice or experienced. Perhaps a similar analogy would be "Should I buy a scope with a linear or switching power supply?", again a behind-the-scenes "feature" that requires zero involvement from the operator.

--- End quote ---
Yes.  That's the sort of flaw I saw as well, but couldn't get the words out.
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