Відео

I am so sorry. At this moment, I am not able to share the note. Thank you for your understanding.

You should get the same answer when using either one of the formulas. Sorry for the confusion.

@@technologiesdiscussion1676 all good, thanks!

Thank you so much for your strong support!!! :) Really nice of you. I take a little break today and went over to Malaysia. :) Thanks, again. :)

Thank you so much for your nice comment. :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

Not yet, bro. Hopefully soon. :)

Is a requirement by the standard and we dun need to do any calculation. :)

The use of a 1 kHz amplitude-modulated (AM) signal with 80% modulation depth in radiated immunity testing is standardized and serves specific technical and practical purposes in evaluating the electromagnetic compatibility (EMC) of electronic devices. In short, is a standard. :)

Thank again for your continuous strong support!!! :) Cheers. :)

Thank you for your strong support!!! :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

I am so sorry. At this moment, I am not able to share the note. Thank you for your understanding.

Thank you :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

Thank you so much for your strong support!!! I really appreciate that. :) Cheers

Noted with thanks. But I really need time. Thanks for your supporting. :)

You can send your questions to my email. :)

Send me your email. :) Pls give me some time. Thank you for your understanding.

Sure :)

Is almost not possible that I can explain by text here. Maybe a video will be better. Will need some time.

@ it will be much pleasure if you explain in a video im struggling with these design techniques but not able to get it completely.

Understand. I have done the design of Balun (From Microstrip to Stripline) before. 1st I dun understand how u have a phase different of 180 degree by transform the resistance value from 50 to 180? Anyway, hope to find time to do the video soon. :)

@@technologiesdiscussion1676 it is like the i have to excite printed dipole antenna for that i need to excite each arm by phase of 180 so each arm get equal and opposite current

Then u no need to change the impedance value. If change then there will be mismatch.

Once again, thank you so much :)

Is because one is for series resonator and the other is for parallel resonator so hence RS and RL will be series for series resonator and parallel when parallel resonator.

@@technologiesdiscussion1676 Thanks for the replay but its still a bit vague. In the parallel circuit Rs is still in series with the other part of the circuit. Rs shares the top node with the three other components but it doesnt share the bottom node, does it? Arent C,L and RL grounded at the bottom while Rs is connected to source instead of ground?

When we do circuit analysis, we will short the source, hence they will all parallels. For Eg, when we need to find the equivalent impedance, we short the voltage source, open the current source to "remove" it.

@@technologiesdiscussion1676 Thanks! That makes sense! Love your videos btw!

Thank you so much for your encouragement. :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

Path B is to flow on the gnd plane. Therefore, the path is the shortest. Why Path A has a longer route because it follows the PCB surface conductor route so hence tech, is longer. :)

Thank you so much for your encouragement. :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

Noted with thanks. :) Once I completed RI and CI.

@@technologiesdiscussion1676 thank you☺

Welcome!!! :)

For this video? This video shares how to get the width and length of Microstrip line base on Impedance and length like λg/4. Any methods can also apply this once you have the impedance or reference length like λg/4. Thanks.

U can see this video: Filter Design Part 21. How to Obtain the Width & Length of Microstrip Line, Given Impedance & Phase. ua-cam.com/video/_gDfVK5dPhY/v-deo.html

Thank you for your strong support!!! I really appreciate :)

I feel they are a bit too late to come onboard. I believe License LPWANs will have some significant gain once 5G on m2m is ready in 2025. But mioty is a great tech and they look more like Sigfox which saw a decline of market shares. My point of view only. :)

Yes I can. But I need some time as I have quite a list of request. Thank you for your understanding. :)

​@@technologiesdiscussion1676Thank you, No problem ❤

@@Hari-uy3rm Thank you for your understanding. But u are a member & I will try my best. :)

I guess I have forgotten to explain this in the video. 5.1 dB value specifically stems from standards such as those by the International Electrotechnical Commission (IEC) and other RI guidelines, which set this as a practical limit to maintain linearity. It’s chosen based on empirical data showing that it helps achieve consistent linearity over a wide range of devices and frequencies. By reducing the input level by 5.1 dB, the signal remains in a range where the system behaves predictably and uniformly without intermodulation distortion, which could otherwise affect the measurement.

If you use a copper table, you can imagine that there will be many reflected waves in the chamber, which is undesirable. We only want to measure the direct path and eliminate the rest. Therefore, the results may not be consistent if a copper table is inside the chamber.

Understood.Thanks for your quick reply and response.

No Problem. :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

If u only change the midband freq then only the length of the transmission lines change. The rest like impedances are still the same. :)

@technologiesdiscussion1676 Thanks for your reply.

No Problem. :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

@@technologiesdiscussion1676 done

Thank you so much for your help :)

You can find it Prof David Pozar, "Microwave Engineering Textbk. :)

Thank you for your nice words. :) Appreciate u can help by Like this Video and Subscribe to this Channel. Thank you so much. :)

@@technologiesdiscussion1676 At the end how did you say we can figure out the length of the MircroStrip?

You can see this video to design the Width and Length of the micrstrip line. Filter Design Part 21. How to Obtain the Width & Length of Microstrip Line, Given Impedance & Phase. ua-cam.com/video/_gDfVK5dPhY/v-deo.html

I have a more detailed discussion one on LowPass Filter. ua-cam.com/video/Ik0JmLcVHSg/v-deo.html This is for bandpass filter but I guess u need the lowpass design to fully understand the process: ua-cam.com/video/5XhJW5vKoFk/v-deo.html

Thank you :)

Thanks for watching! You can help by Like this Video & Subscribe to this Channel. Thank you. :)

Wow, 200A, I think is very challenging. I am not sure what will be the diameter of the wire. I am sorry, I dun have the expertise on this big current.

Really very difficult to DIY LISN that can support 200A. I think the diameter of the wire and the heat on the cable will be the major concern.

Thank you :) Yes, the ground acts as the reference point for all voltage levels within the SMPS circuit, which is crucial for accurate voltage regulation.

Happy that this is useful :) Pls also help me by Like this Video & Subscribe to this Channel. Thank you. :)

Thank you so much :)

Thank you :) 👍

Sorry, your question is not cleared. :) I dun really understand it. Sorry abt that.

If it is 1:2 power divider, the power gets splitted equally in port 2 and port 3. If I give my input signal in port 2 and 3, the power should be added in port 1. Am I right?

Got it. :) Power Divider normally is one direction only. For example, u need to denote input & output. Hence, if 1:2 power divider, the power gets splitted equally in port 2 and port 3. But reverse, is unknown and depend on your design. :) Hope I answer your question.

Is very difficult to calculate the coil distributed capacitance in pure theoretically and therefore I suggest this method to calculate it. :)

@@technologiesdiscussion1676 Thank you very much

@@RightlyFree You are welcome. :)

Pls consider to subscribe and turn on your Notification bell so when I have new post u will rx notification. Thanks. :)

I have done the video: ua-cam.com/video/uHLLa9zlkGU/v-deo.html