drcaberry, (edited )
@drcaberry@blacktwitter.io avatar

#EngineeringProfessorQuiz
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At high frequencies, in circuit analysis, we model a capacitor as a/an
👷🏾‍♀️👩🏾‍🎓👩🏾‍🏫👩🏾‍💻

bitmaker,
@bitmaker@mastodon.social avatar

@drcaberry the correct answer is flux capacitor.

Time Travel GIF

ScriptFanix,
@ScriptFanix@pouet.chapril.org avatar

@drcaberry
I almost fried my brain trying to figure out how the capacitor will behave at high frequency based on what I know about how it works, let's see if I got it right...

drcaberry,
@drcaberry@blacktwitter.io avatar

@ScriptFanix Let me ask some impedance questions to help your brain out. 🤣

ScriptFanix,
@ScriptFanix@pouet.chapril.org avatar

@drcaberry
Think I'll pass 😅

azonenberg,
@azonenberg@ioc.exchange avatar

@drcaberry Assuming an ideal capacitor, not a real one that has mounting parasitics? Because if you go high enough, that few pH of ESL is going to start becoming non negligible :)

But that's probably too much nuance for a quick poll lol.

drcaberry,
@drcaberry@blacktwitter.io avatar

@azonenberg Too much nuance is right! 🤣🤣🤣

azonenberg,
@azonenberg@ioc.exchange avatar

@drcaberry Yeah i figured.

These days I spend too much time in microwave land where you need to carefully account for the few tens of fF in parallel with a non ideal resistor.

drcaberry,
@drcaberry@blacktwitter.io avatar

@azonenberg Totally makes sense, out of my area!

1dalm,
@1dalm@deacon.social avatar

deleted_by_author

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  • drcaberry,
    @drcaberry@blacktwitter.io avatar

    @1dalm No it should not matter because no matter the size they depend on frequency.

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