EEVblog #286 - Orders Of Magnitude

Industry Terminology Time.
Sound like an expert in no time! - All you need to know about Orders of Magnitude.

[FlashEF]

Such educational stuff explained so simple is the best part of your blog! I knew this, and still I watched to see how it will be explained.

[EEVblog]

Ah, I have fond memories of the 4339B, an awesome meter. I actually acquired a couple of them when the company packed up shop. That special $1000+ HV BNC test cable!

[HineJared]

Hey Dave dig the show. My electronics professor always explained the importance of order of magnitude by asked if we would rather be paid $10, 000 /year or $100, 000 /year

[MrROTD]

your willingness to teach and share this knowlege makes u a magnificent person :D

[EEVblog]

No, there are cases where you can take out the higher value, and I showed one. The example of the 10M resistor in parallel with the 1M resistor, as a rough order you can ignore the higher 10M value.

[MAmerica]

I have been watching your videos for quite some time now. I am in high school, and have just gotten my first job. What did I spend my money on? A Rigol oscilloscope! It's my first piece of industry equipment and i love it! On your review, you mentioned that it has a slightly annoying fan on it. I love it because it filled my room with the new product smell!

[EEVblog]

At that moment in time when my mind is somewhere else, yes!

[mattmanslim]

I think this may be my first comment on one of your videos, Dave, despite having watched for some time. An excellent video with terminology that can be applied in countless situations!

[Shroommduke]

Excellent Dave

When I read this stuff I kinda get it but when you illustrate these concepts they click, you cover things books and datasheets don't.

Thanks for another informative video!

pssst, put the cap back on the pin!

[WhitentonMike]

I learned this stuff in High School in the early 80s. It took 2 or 3 full 1 hour class lectures to cover it. 16 minutes is plenty of time to beat a dead horse.

[EEVblog]

Yes, technically, but just don't go using the term in engineering circles unless you mean base 10. You'll be hung, drawn, and quartered.

[Andrew_Sparrow]

Great video, reminded me of some of your earlier ones and the reason I subscribed :)

[doodh_jalebi]

Dave, Hows the USB Power Supply going?
Can't wait to see the next part!
I just love the 7-Segment displays and the knobs!

[WhitentonMike]

You guys will like this. Off topic but worth it.

I was with my adult daughter Skye and her 5 year old daughter Melody in a store. Skye needed Melody to quit wandering off. So she says to Melody in a loud stern voice...
"Get back here in three, point, one, four, one, five, nine!"
People couldn't figure out why I was laughing so hard. She can be pretty clever sometimes. LOL

[EEVblog]

I didn't? Did I?... Yesterday I couldn't spell engineer, and now I are one!

[EEVblog]

and zetta and yotta and femto and atto and zepto and yocto! I limited to +/-12 for practical reasons

[maroD]

Dave could you please cover up the RMS topic? Like the RMS measurments in oscilloscopes vs RMS on digital multimeteres? What kind of wave forms can be measured with a DMM and what not. There are severals RMS measurement methods in oscillosopes like plain old RMS, Cycle RMS, Cursor RMS. That would be very helpfull. Thanks for ur effort!

[JamesMegaWatt]

Dave, will you ever do a video talking about
your Master/PhD thesis?

[superdau]

It's not just electronics where orders of magnitude are very useful. Heck, not even just orders of magnitude, but exponential/logarithmic ratios in general. So many things in nature (and thereby science and technology) are related in exponential or logarithmic form.
Unfortunately schools teach these concepts way too little. IMHO it would be way easier to convince children that math is not "torture" but actually useful in real life.

[DeKempster]

I had to measure the insulation resistance of 100KVDC cables. With a Agilent 4339B, thing measures from 10x3 ohm to 1.6x10¹⁶ ohm. Measuring was done using 1KV, If it was above 10x8 it was good, most where in the x11-x13 range. Really twitch to measure that.