(2) RF and Microwave PCB Design - Transmission Lines and Impedance - Altium Academy

In this episode Ben Jordan continues his series on RF and Microwave PCB Design giving you practical examples and tips for designing Transmission Lines and coping with Impedance.
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[@user-dn4kb4wz8z]

I love the patience with which you explain the topic, very professional

[@TurpInTexas]

I've been in telecommunications for over 40 years, never really thought about RF PCB design until recently when I joined a group of radio amateurs that play with the high GHz stuff. Decided to check out these videos and I can say already my mind is blown. This is the coolest stuff!

[@LightningHelix101]

Extremely professional. Thank you Ben and the other producers.

[@tiagovieira8420]

What a clear explanation of everything!

[@elenarodriguez690]

Thanks for the videos. They are really the best videos you can find in KZbin about this topic

[@amrwael8348]

Thank you very much ! Very Useful and to the point !

[@cmota6667]

These videos are amazing! Thank you so much! Please continue your great job \m/

[@parasshukla3963]

smoothest with to the point discussions, thanks a lot for these knowledgeful videos.

[@achrafkadri9572]

Thank you so much! Please continue your great job

[@nathanielkilmer5022]

Great videos!

[@lawrencewang5684]

thank you!

[@mercury8961]

This is really helpful. Thanks so much

[@NoNeedtoFeedtheJudge]

This was amazing. Thank you! Better late than never for finding this video! Thank you once again.

[@AltiumAcademy]

Glad you enjoyed it!

[@hotty6875]

That shirt... Robert Graham? Amazing content too.

[@markworkman6544]

very good, much thanks. How does the "etch factor" of the trace -width affect the Zo?

[@thinkerdoer191]

Extremely useful material! What is the typical field produced by the Nickel layer in ENIG? Say a 30mm*40mm single layer board? Is there a way to estimate it?

[@DDas-yi6jr]

Hello!! So instead of So instead of ENIG what to use?? Soft Gold finish? Or ENIG for solder pads and Solder Mask over bare copper???

[@PsychogenicTechnologies]

This series is great and exactly what I've been looking for--this episode was worth it just for the offhand comment about the complications with ENIG (@ 22:35)! I would've liked to hear a bit more about the effect of solder mask in the embedded microstrip... my guess, from the discussion around the others, is that the mask will increase the dielectric constant above the stripline and heat loss (maybe making the wavefront a bit more uniform in the process? what of impact on radiated emissions?). Anyhow, thanks for these awesome vids.

[@DDas-yi6jr]

So instead of ENIG what to use?? Soft Gold finish? Or ENIG for solder pads and Solder Mask over bare copper???

[@PsychogenicTechnologies]

@@DDas-yi6jr Seemed to sound like anything would be better, but yeah I want to know as well!

[@DDas-yi6jr]

@@PsychogenicTechnologies so i simulated with solder mask over bare copper of thickness 0.025mm and dielectric constant of 3.5, it shows high losses even over small length

[@tarkklc4039]

What is the formula of conducter lose?

[@abcdefg91111]

9:27

[@MuhammadAhsan-rr4js]

Please also practical videos on DDR, PCI and High Speed, but kindly use Altium it self. Either youtube Live or webinar or series . Thanks

[@alexsandertamari9380]

we have that coming up for you. so stay tuned. that should be released in the upcoming weeks.

[@electromatic2014]

I Guess 5G will do with just roggers pcb, right?, the costs will rise in order to get this higher data links!, nice video!

[@yassinebouchoucha]

0:32 where is the resources and links you mentioned ?!

[@tejeshwvardhan1165]

If i had a 2 layer FR4 board of 1.6 mm thickness then line thickness would be somewhere around 3mm. how should i make it 50 ohm?

[@DDas-yi6jr]

For 1.6mm thick FR4 which has an approx. 4.4 dielectric const , 3mm width will give you 50 ohm impedance www.emtalk.com/mscalc.php?er=4.4&h=1.6&h_units_list=hmm&f=2.4&Zo=50&EL=90&Operation=Synthesize&Wa=&W_units_list=Wmm&La=&L_units_list=Lmm

[@tejeshwvardhan1165]

@@DDas-yi6jr if my IC has a PAD of 0.5mm then how do i do the transaction from 0.5 mm thickness to 3mm?

[@DDas-yi6jr]

@@tejeshwvardhan1165 use tapering for transition, but if your ic pad is 0.5mm then don't use 1.6mm FR4 go for lower substrate thickness: 0.8mm FR4 which will give you a 50Ohm. Line width of 1.5mm OR 0.4mm FR4 0.75mm line width else matching and soldering the ic will be an issue

[@DDas-yi6jr]

If I may ask at what frequency are you designing and are you having an Rf Microwave background?

[@tejeshwvardhan1165]

@@DDas-yi6jr 865Mhz

[@jacekoverlord6227]

Why 1/4 of 2.4 is not 1230 mils ?

[@alunhunt4592]

pretty good information going on - however the pedant in me gets annoyed at saying "ish" then quoting results to 6 decimal places.

[@tradtrad1000]

736 mm is 73.6 cm, am I missing something?

[@pfabri]

Yes. It's in mils -- not millimeters. They are not the same thing. A mil is a thousandth of an inch (0.0254 mm)

[@danielfernandes2813]

Good job explaining. But when you guys shifting to metric?😂

[@robertbox5399]

Hilarious. I thought the Aussies were metric?

[@jarikosonen4079]

Avoid the math, cause u won't get paid for it. Unless you will be doing maybe the software or something. Basically it should work by the program if someone did the program 1st.