Testing circuits and devices with an oscilloscope

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By popular request here is yet an other video on how to use an oscilloscope. This particular video shows how to test and make measurements with an oscilloscope by doing it with a very simple circuit.
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Опубликовано:

24 авг 2022

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Комментарии : 20

@stevekean512 5 месяцев назад

Great probe placement learning video! It's totally worth it as there are several ways to screw up measurements on even the simplest circuit. Like trying to use ch1 and ch2 simultaneously. Doh!

@hoofheartedicemelted296 Год назад

4:12 that bug definitely photo bombed this video, so to speak. Yes Mr X, I've watched a few videos regarding oscilloscope instruction but this is head and shoulders above the rest. You are a good teacher. Thank you sir.

@JosephX Год назад

Thank you so much for the complements. Glad the video were very informative. This is why I started making these video

@noah_lot2842 Год назад

a lot of the stuff about electricity kind of went over my head but this was very interesting :D

@mikec5054 3 месяца назад

Quick and easy good video

@laidman2007 9 месяцев назад

Very clever demo. Thanks.

@JosephX 8 месяцев назад

Thank you for the compliment. I'm glad the video was helpful.

@serotoninnes7023 7 месяцев назад

@@JosephXthanks but tgat signal is calles courant Imax or tension Umax ???

@jw228w 6 месяцев назад

found your video looking for help on setting up a IV curve tracer, on a breadboard,2 channels one for x one for y. I get good voltage display with the X,but I am stumped on getting the Y to show the current.how do I get the channel 2 probe in series to show current thru the DUT? do I just treat the channel 2 probe and its ground as a component in the circuit? thanks John

@JosephX 5 месяцев назад

I never used an IV curve tracer, but normally when measuring voltage with something like a multimeter, the probe goes in parallel and with current the probe goes in series. Based on this my best guess would be ... yes, treat the Y probe like a component in the circuit. Though I would put the Y probe as close to the component(s)/ part you want to test. Also, do you know if you have a voltage drop or some kind of meter loading with the Y probe? ... It might be something you want to consider.

@walker55able Год назад

Great thanks for this

@JosephX Год назад

Your welcome, glad you like the video

@SDsailor7 Год назад

I don't see the positive and negative cables attached to the oscilloscope?

@JosephX Год назад

Are you using a scope probe instead of alligator clips? If so the retractable clip at the tip would be the equivalent of the red wire (positive) and the grounding wire would be the equivalent of the black wire (negative)

@SDsailor7 11 месяцев назад

@@JosephXSo in escencr you are measuring sections of a circuit at a time to find where the problem is located? I correct? Thank you

@SDsailor7 11 месяцев назад

@@JosephXThank you. Sorry for the late response and yes I would have been using a probe. So I understand know how you were using the alligator clips.

@tonypoloney8721 8 месяцев назад

Can these measurements be taken on a live circuit? Thanks.

@vc9743 Год назад

When testing radios etc, would you not have to isolate the component, circuit, before testing?

@JosephX 11 месяцев назад

Generally no, especially for low voltage DC circuits and even more so for digital circuits with a clock cycle. That does not mean there is some odd exception that I can't think of right now. Though for old school electronic devices (think tubes and stuff made before the 1970's), most of them ran on high voltage AC and lack modern safety features (that we take for granted today). So you would have to isolate the device's circuits to prevent from being shocked or injured by them. Though this isolation is more for safety rather than testing.

@clems6989 11 месяцев назад

In a real circuit you couldnt do this. Your probe setup will be extremely noisy. Fue to the loisely coupled probe.(wires). Also what you call negative on your probe is actually connected to earth ground. If you go probing resistors and components like this, your can to blow up your circuit, or your scope or both..