Phil, you have reached the level where the majority of us will like your video first then watch it after because you have gained the respect of everyone!
Exactly, thought the whole point of these kind of adapter interfaces is to be more forgiving than whatever they're being converted to, but it's more of a PITA than the real deal (HS USB) it seems.
Hi Phil, thanks for this deep analysis on delay time including chip itself(FPGA)+PCB routing. It's so clear. Would you please help to make another video that shows the result of delay estimation by test? I am exactly interested in that and would like to know the difference between estimation and real case if possible ! A Big Thumb has given to this video without a doubt!
I think some people might underappreciate, or underestimate, the significant efforts you've made to prepare for your videos (full credit to you!) Any thoughts on the hours/ratio of preparation you've done for, as an example, this 15 min video?
Thank you, Bruce. Hmm it's tough to say in general, but for a 'normal' length video such as this one, I try to keep it around half a day in recording/editing/etc. The actual design of the board was done before and is part of a personal project, where I don't really keep track.
Would there be a way to export the propagation delays of each net that terminate on the pin headers of the system on module? If so, could you import into the baseboard connector components as their package delays? Can IBIS hold this sort of information?
Thank you for a great video, as usual. One small feedback: usually the people that comes to TH-cam to learn things are not professionals, so more KiCad over Altium would be welcomed. I know Altium is the best software, but it is also very expensive so it's not the first choice if you are not a profesional, making money out of that. Also I would love a professional service to have my design and/or schematic checked by a pro, do you know such a website that offers that for a reasonable price? Thank you!
Hello, I'm trying to use USB3300 ULPI module to impliment a usb host on fpga, I'd refrenced to the user manuel but i didn't understand how to use , any one can help me please?
Since all signals go through the same connector, as with 'properly planned' vias, you do not need to account for the delay. This is because the delay is added to each signal. However, you'll most likely get an impedance change (discontinuity) which can affect signal integrity. Higher-bandwidth connectors are available which have defined impedances and are rated to given max. frequencies.
Hi Phil, I will graduate this year with a Bachelor degree in electrical power and control engineering. I'd like to work as an electronic hardware design engineer, I've seen many videos on your channel but my brain is messy because I don't know how to start in this field and most of youtube channels are making random video and tips & tricks without speaking about the road map of the field. Could you advise me ?
Phil, you have reached the level where the majority of us will like your video first then watch it after because you have gained the respect of everyone!
Yeah, that's how it works with me !
+1
I'm very glad to hear that - thank you so much! :)
@@PhilsLab thanks for the great videos and please keep it up
Yes!
Wow, much more involved than I expected. Great video.
Thank you, Steven.
Exactly, thought the whole point of these kind of adapter interfaces is to be more forgiving than whatever they're being converted to, but it's more of a PITA than the real deal (HS USB) it seems.
love your videos Phil, incredibly helpful
Thank you very much, glad to hear that :)
YOU THE BEST 👍 ..YOU THE MAN 💪💪💪 .THANKS ALOT ..YOU HAVE JUST MADE LIFE EASY .🙌
Thank you!
Hi Phil, thanks for this deep analysis on delay time including chip itself(FPGA)+PCB routing. It's so clear. Would you please help to make another video that shows the result of delay estimation by test? I am exactly interested in that and would like to know the difference between estimation and real case if possible ! A Big Thumb has given to this video without a doubt!
I think some people might underappreciate, or underestimate, the significant efforts you've made to prepare for your videos (full credit to you!) Any thoughts on the hours/ratio of preparation you've done for, as an example, this 15 min video?
Thank you, Bruce. Hmm it's tough to say in general, but for a 'normal' length video such as this one, I try to keep it around half a day in recording/editing/etc. The actual design of the board was done before and is part of a personal project, where I don't really keep track.
Good stuff again Phil :)
Thank you, Aneesh!
Fantastic
Thank you!
Would there be a way to export the propagation delays of each net that terminate on the pin headers of the system on module?
If so, could you import into the baseboard connector components as their package delays?
Can IBIS hold this sort of information?
Why do you use Dk=4 for the solder mask (14:51) instead of the Dk=3.8 that JLCPCB states (14:42) ? Thanks!!
Hardly makes any difference - especially at these frequencies.
@@PhilsLab thank you Phil
awesome video!
Thank you, Tommy!
how long did it take for you to get your board from JLCPCB?
Thank you for a great video, as usual. One small feedback: usually the people that comes to TH-cam to learn things are not professionals, so more KiCad over Altium would be welcomed. I know Altium is the best software, but it is also very expensive so it's not the first choice if you are not a profesional, making money out of that. Also I would love a professional service to have my design and/or schematic checked by a pro, do you know such a website that offers that for a reasonable price? Thank you!
Hello, I'm trying to use USB3300 ULPI module to impliment a usb host on fpga, I'd refrenced to the user manuel but i didn't understand how to use , any one can help me please?
Do you not need to account for delay and resistance through the board-to-board connection? If so how? And if not why?
Since all signals go through the same connector, as with 'properly planned' vias, you do not need to account for the delay. This is because the delay is added to each signal. However, you'll most likely get an impedance change (discontinuity) which can affect signal integrity. Higher-bandwidth connectors are available which have defined impedances and are rated to given max. frequencies.
What's the name of the connectors used to stack the boards?
Some sort of mezzanine connector.
Hi Phil, I will graduate this year with a Bachelor degree in electrical power and control engineering. I'd like to work as an electronic hardware design engineer, I've seen many videos on your channel but my brain is messy because I don't know how to start in this field and most of youtube channels are making random video and tips & tricks without speaking about the road map of the field. Could you advise me ?
Please come impedance matching videos
Definitely gonna make a video on impedance matching!
@@PhilsLab I'm looking forward to it
👍🙏💖
great video!
Thanks!