#eevblog - 2020-01-08 - AustNet Archive Project

// #eevblog — 2020-01-08

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« 2020-01-07 2020-01-09 »
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20:27 <Lord_of_nothing|61> Hi
38:39 <Lord_of_nothing|61> Anyone alive?
56:24 Join: alexgoldstone ([email protected]) to #EEVblog
57:11 <alexgoldstone> Trying to sign-up for the EEVBlog forum but never receive an activation email... I tried changing my email address... anyone here able to help?
57:33 <Lord_of_nothing|61> maybe dace
57:34 <Lord_of_nothing|61> dave
59:21 <Lord_of_nothing|61> https://www.eevblog.com/about/
03:54 Quit: Lord_of_nothing|61 ([email protected]) Connection closed
04:50 <alexgoldstone> I had seen that link thanks but it says... if you want my advice on something then ask in the EEVblog Forum, and then I or someone else may respond to your question. You’ll get a better and quicker response... Which I can't do since I can't activate my account.
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02:04 <Guest|72430lj> any1 here
02:16 <Guest|72430lj> hello
03:54 <rust_collector> Just nod if you can hear me
03:57 <rust_collector> Is there anyone home?
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11:28 <rust_collector> 6 minutes, not bad
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42:07 <rust_collector> oooh, neighbor came over to give us a "cake"
42:59 <rust_collector> is she evil or just being a nice neighbor....
02:54 <damian> you gunn die
03:33 <rust_collector> Yeah, I also doubt that cake will make me live forever
04:08 <steve30> mmm, cake
04:31 * steve30 offers to help eat it
04:32 <damian> did she say it would make you live forever, because that's a pretty big giveaway that you're going to die
05:14 <rust_collector> I have always assumed I would die, it was you who brought up that stuff.
05:37 <rust_collector> steve30, get on a boat, you can have some cake
06:17 <rust_collector> or swim, or whatever. I will pick you up at the beach, and maybe bring a towel
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15:27 <Ysjoelfir> Hi All. Still someone awake? :)
17:18 <rust_collector> mmmh....no?
17:25 <rust_collector> ok, maybe
17:30 <Ysjoelfir> Aaah, too bad.
17:37 <Ysjoelfir> *to
17:45 <rust_collector> no one important
18:34 <Ysjoelfir> So you see yourself as not important?
19:15 <rust_collector> erfff, yeah, pretty much. I am sure the world would turn to shit just as well without me, lol
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20:30 <Ysjoelfir> Well, if World-going-to-turn-to-shit-quality is the measuring range I guess we all are equally unimportant :D
20:58 <rust_collector> i would say so, yes
23:33 <rust_collector> But that is ok. we can not remember everyone. Ad we tend to remember hitler, and... that asian guy.
26:44 <Ysjoelfir> yeah, especially that long dead guy with the funny beard and strange haircut gets way to much attention nowadays. always funny when you tell some foreigners that you are from germany and the first thing you hear is "oh, so you like hitler?" ._.
27:01 <rust_collector> hah
27:05 <Ysjoelfir> I wasnt even born back then. even my parents were not, god damn it :D
28:29 <rust_collector> I like lots of stuff from before I was born... But ok
29:13 <Ysjoelfir> I do so too (you could call me rust collector as well if you like...), but I wouldn't like that guy :)
29:50 <rust_collector> I am sure he was nice enough, if you were at some dinner party or something.
30:22 <Ysjoelfir> some weeks ago I got my hands on an old radio from that era. still had the original swastika markings. the guy selling it looked at me like I would be some kind of criminal being interested in that...
30:45 <rust_collector> neat
31:35 <Ysjoelfir> I'm sure he was quite ok in person. Have watched many documentaries about him, he also seemed to be a very sad, lonely person, which may have lead to some of his misguided beliefs.
31:49 <rust_collector> Well, you can say a lot about many things they did back then, but they did have a (imo) ok sense of style, or looks
32:36 <Ysjoelfir> absolutely. i like old stuff :) driving an old car, collecting old radios, gas-, gasoline and petroleum lamps, collecting radio tubes...
32:43 <rust_collector> so, what kind of crap do you collect?
34:09 <EEVBlog> New EEVBlog Tweet: NEW EEVblog Video! EEVblog #1276 - Solar Roadways Surface TESTED! https://t.co/y3eJX2eOmx
34:21 <rust_collector> In the last few years, I have been more and more interested in soviet and east german machines. Like the...uuh, crane-tractor-excavator thing, t147, or something like that. I have to look it up
35:45 <Ysjoelfir> besides the stuff i just wrote: test equipment. and I also noticed a growing interest for eastern and soviet stuff. just recently I acquired a soviet knive and a strange piece of test equipment I cant really get what it is
36:28 <Ysjoelfir> I have a russian co worker, waiting for his return from holidays to ask for his help translating the thing
36:59 <rust_collector> do you have any pics?
37:55 <Ysjoelfir> let me see if I can get to it right now, its still in the packaging
39:27 <rust_collector> https://www.ebay-kleinanzeigen.de/s-anzeige/bagger-t-157-zwiebelzieher/1291750585-276-3831
39:58 <rust_collector> I want one of those things. And I think calling them a thing is the best description
43:52 <Ysjoelfir> Cant reach it right now, sorry :( but it seemed to be some kind of LCR bridge when i bought it.
44:04 <Ysjoelfir> That thing is cute :D
44:26 <Ysjoelfir> seems to be used to pull onions out of the ground. nice one^^
45:01 <rust_collector> it just seems so... not great at anything, but sort of does a bit of a few things
45:40 <rust_collector> but i think I would enjoy having one here at home, just for fun, and moving random things around
45:42 <Ysjoelfir> ah, i just googled it, the onion thing seems to be just a name people gave it for its versatility. as you said, it is one of those eastern "can do all, but nothing very good"-things
47:03 <Ysjoelfir> basically like the Trabant. Will do the job, but not most conveniently.
47:47 <rust_collector> I have actually found a few trabants lately.
48:41 <Ysjoelfir> depending on where you life that is quite hard to find
48:59 <rust_collector> yeah
49:26 <Ysjoelfir> even here in western germany it is rather uncommon. but possible. Would love to have on, just for fun.
49:34 <rust_collector> I am in no_way, so they were never common. I bet they were all imported after 2000
50:42 <rust_collector> So, this year, I have probably seen more trabants than ladas.
50:50 <rust_collector> which is a bit weird
50:59 <Ysjoelfir> oh, the land of my dreams... :D just went there for vacation last year. enjoyed it very much.
51:03 <Ysjoelfir> are ladas that much more common?
51:55 <rust_collector> they were quite common, until... they just disappeared, so I would think there was some of them stashed away in grampas barn and such
52:20 <rust_collector> I think they quit selling ladas here in... around 1995
52:24 <rust_collector> or so
53:10 <Ysjoelfir> I hope your government didn't do such a stupid thing as our did with the "Abwrackprämie", which killed so many great old cars..
53:22 <rust_collector> oh, they did
53:35 <Ysjoelfir> meh
53:38 <Ysjoelfir> idiots
53:52 <rust_collector> that is why we voted for them
54:19 <Ysjoelfir> is that so? I cried silently when they announced that here
54:20 <rust_collector> keeps them in the big stone house, so we can keep an eye on them
54:52 <rust_collector> we have had that since... as long as I can remember
55:07 <rust_collector> there is still a lot of junk all over
56:49 <Ysjoelfir> But did they actively pay you to get your old car crushed like they did here? I don't really get the benefit of thet. it just creates more trash that could be avoided and makes it harder to get a good used car
57:51 <rust_collector> well, they live in their own bubble, they think you can either use the train, or just buy a nice modern "green" car
58:45 <rust_collector> I think you can find.... maybe 2 people in our government who has had an actual job... it is just what happens
58:46 <Ysjoelfir> if those modern cars would be green that may be an argument... bit since it isn't... :/ I'm happy that I have found my Volvo 940 in February last year. Was not very easy to find one
59:02 <Ysjoelfir> wow. thats hard
59:20 <Ysjoelfir> on the other hand, its not very different over here I guess.
59:46 <rust_collector> no, same thing.
00:34 <Ysjoelfir> I don't really care that much for politics since Merkel doesn't do anything at all except from tipping her fingertips together and talking like she could change the world... At least that is what seems to be (not) happening
01:10 <rust_collector> I think, we could build a wall around the capitol, and none of them would notice.
01:54 <Ysjoelfir> That could very well be. Well, at least if you include the Airport. Our oh so green politicians just love to fly everywhere in ther own private plane
02:06 <rust_collector> If we did that, I hope someone could supply a lot of hungry crocodiles. that would be fun
02:20 <Ysjoelfir> It absolutely would! :D
03:56 <rust_collector> Ok, so what part are you from? I live around 60km to the south from oslo
04:08 <rust_collector> hmm, maybe 80
05:12 <Ysjoelfir> I come from the Ruhrgebiet, Pretty much right between Düsseldorf and Essen. Right now I live in Frankfurt on Main, moved there for my girlfriend and found a good job.
05:42 <rust_collector> ok
07:32 <rust_collector> well, I was born here, and just stayed here
07:56 <rust_collector> Ok, I went to skool and the military thing in other places, but pretty much here
08:18 <Ysjoelfir> I went to oslo when we were on vacation... I didn't like it, to big. was way to simmilar to frankfurt (which i also dont like..).
08:28 <Ysjoelfir> But I very much enjoyed our stay in Åseral in Vest-Agder (it isn't like that anymore, right? you had some sort of region reform this year?)
09:34 <rust_collector> mmhyeah, we did. I am not really sure about all the details, but I think the east and west agders were combined into one
10:00 <rust_collector> it happened just a week ago, on new years, I think
11:03 <rust_collector> yep, from 1/1-2020, it is just agder
11:25 <EEVBlog> New EEVBlog Tweet: Sorry, had to pull the latest video again because the processed Youtube version has sync problems in the video. Original video file is fine. Likely caused because: a) Youtube is buggy b) I'm using a different editor because I'm on the road and it's doing something strange.
12:11 <Ysjoelfir> well, it seemed enormously big when we were there, so I don't realy get the reason to combine those too.
12:28 <rust_collector> oh, they did things worse than that, lol
12:36 <Ysjoelfir> But whatever your government feels to be the best :D
12:48 <rust_collector> mmhmmm
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13:07 <rust_collector> I don't think anyone REALLY cares too much
13:57 <rust_collector> but they did create some very big region-things
14:46 <Ysjoelfir> I guess it doesn't change anything particular in the life of the people besides now being in an other.. what was it called, Fylke?
14:48 <rust_collector> In some ways, it makes sense, because there are like... 4 people living in each region, and that... is not very useful
14:58 <rust_collector> yes, fylke
16:22 <rust_collector> most people don't really have anything to do with the fylke anyway.
16:43 <Ysjoelfir> yeah, it seemed like that when we were there. Looked like Aust Agder had around 10 villages with maybe a few hundred people in them, vest agder not very much more, except from Kristiansand. I kind of get what they are trying to achieve.
16:56 <rust_collector> but... åseral? so you like trees, I guess
17:35 <Ysjoelfir> I mostly like just... silence. Nature. Loneliness :)
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17:55 <Ysjoelfir> And I anjoyed the occasional sheep looking at you when you dared to drive on his own personal road.
17:59 <Ysjoelfir> *enjoyed
18:17 <rust_collector> i think it is pretty interesting, that we are larger in area than germany, but we have 5.x million people, you have 82 or something
18:41 <rust_collector> yeah, the sheep sleeping on the road is a thing
19:01 <Ysjoelfir> yep. especially going north its getting even less populated, isnt it?
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19:19 <rust_collector> yeah, way up
19:39 <Ysjoelfir> I made a photo of a sheep trying to not let me pass. It was... lets say, not very keen to move his wooly ass from the street. :D
20:34 <Ysjoelfir> and we got to know a elk mother and his baby elk.
20:44 <rust_collector> I have had to pick sheep parts out of my truck plenty of times. the farmers don't like it if I do not remove them from my bumper, before I come to visit them
21:14 <Ysjoelfir> I have no idea why that would be the case :P
21:44 <rust_collector> eeeh. elk is... not something I would be social with. especially with a baby around
21:52 <Ysjoelfir> yeah
21:56 <Ysjoelfir> It was pretty scary
22:05 <rust_collector> they are fucking big
22:28 <Ysjoelfir> especially since we visited elgtum park just the day before and got told to be very careful around them.
23:01 <rust_collector> Where I went to school, they have wolves and bears. I was still more worried about elk
23:20 <rust_collector> they just look evil, like cats and horses
23:31 <Ysjoelfir> I assume they were looking for water as we were there right when it was so damn hot in 2018. don't think that they would leave the woods otherwise if they dont have to
24:27 <Ysjoelfir> yes, they do. but it felt strangely satisfying to touch their horns in elgrum park. so... unexpected soft and warm. and pulsating.
24:38 <rust_collector> they tend to have early morning meetings in grass, or in a field or so
25:03 <Ysjoelfir> but that doesn't mean that I would want to meet one in person again. at least not outside of a park.
25:25 <rust_collector> not while driving a trabant
25:32 <Ysjoelfir> that especially not :D
25:49 Join: alexgoldstone ([email protected]) to #EEVblog
26:15 <Ysjoelfir> well, the car we got from rent-a-wreck wasn't much better than a trabant either... but at least it was made from (more) steel instead of plastic
26:51 <rust_collector> hey! the trabant wasn't proper plastic
27:10 <rust_collector> I think they were cotton/resin or something?
28:12 <Ysjoelfir> It depends. the earlyer versions were some composite material (gfk?), but the later models were duroplast
28:19 <rust_collector> ok
28:26 <rust_collector> interesting
29:36 <Ysjoelfir> and after that (after the.... 601?) they decided that metal would be the better material. I guess that is the reason why not many of the latest models survived.
29:55 <rust_collector> hmm, do you come across other kinds of tools and such?
30:43 <Ysjoelfir> Depends on the kind of tool you are thinking about
31:12 <rust_collector> I remember finding a lot of good but well used tools for reasonable prices. things like lathes and milling machines. even bench vises
32:15 <Ysjoelfir> ah. yes, they appear rather often if you look at ebay or ebay kleinanzeigen. also flea markets for smaller tools. I like to dig around there, many times there are people with millions of boxes with stuff just thrown into.
32:32 <rust_collector> But, it has been a long time since I was down there
33:16 <rust_collector> you seem to have a bigger selection of "not huge" machining tools than we have here.
34:33 <rust_collector> you can have a chinese toy lathe, a very very expensive small proper lathe, or you can have as many free huge monster lathes as you want, if you come and get it out of there
34:57 <Ysjoelfir> I assume that has to do with the available space in the general region. owning a "big" lathe here means something that can machine like... maybe 50cm in length and 20cm in diameter.
35:04 <Ysjoelfir> yeah, exactly
35:35 <rust_collector> that is what I class as a small proper lathe
36:21 <Ysjoelfir> I would support that, knowing how big those beasts can be. but you don't find the super big ones that often.
36:34 <rust_collector> WHen they are 6m long, and they poured the floor around it... nah
37:13 <Ysjoelfir> Maybe because many things in the area where I come from are or were specialised on rather small mechanical things, like locks or carburetors
37:30 <rust_collector> hmm, yes, I guess.
38:24 <rust_collector> I grew up being a train nerd, so I ended up in the repair shop there. we did a lot of cool stuff there, with restoring steam engines and... things
39:35 <rust_collector> and as I was a member of the train nerd club, I got a free ride as much as you want ticket, which was nice
39:42 Join: Guest|1561 ([email protected]) to #EEVblog
39:43 <Ysjoelfir> The lathe I owned some time ago with 50cm x 20cm I got from a collector who got it from the closing of the Pierburg Carburetor Division.
40:18 <rust_collector> that is a serious carb, if they used that
40:23 <Ysjoelfir> That sounds really nice :D I like trains very much. My father even had a toy train as big as my parents sleeping room back in the time...
40:52 <Ysjoelfir> Nah. I don't think that they used the capacity. It was actually pretty worn on the first 10 centimeters.
41:00 <rust_collector> I have a lot of toy trains, but they are stashed away until the kids leave....me with room for a layout
41:03 <Guest|1561> did the EEVblog #1276 video get taken down just now?
41:48 <rust_collector> New EEVBlog Tweet: Sorry, had to pull the latest video again because the processed Youtube version has sync problems in the video. Original video file is fine. Likely caused because: a) Youtube is buggy b) I'm using a different editor because I'm on the road and it's doing something strange.
41:56 <Ysjoelfir> [23:11:26] <EEVBlog> New EEVBlog Tweet: Sorry, had to pull the latest video again because the processed Youtube version has sync problems in the video. Original video file is fine. Likely caused because: a) Youtube is buggy b) I'm using a different editor because I'm on the road and it's doing something strange.
42:02 <Ysjoelfir> lol. :D
42:03 <Guest|1561> ah, ok =)
42:04 <rust_collector> not sure if that is #1276 or not?
42:58 <rust_collector> ah crap. I am out of... stuff to mix my drinks with
43:05 <rust_collector> not ideal
43:36 <Ysjoelfir> you are waiting for the kids to move out of the room, I'm waiting for the first one to move out of my girlfriend. ok, that sounds gross, but I guess you get what I mean. :)
43:43 <Ysjoelfir> I just had a nice Gin Tonic :)
44:18 <rust_collector> arrrfff, i just had a great vodka/vodka. I have to go find something
44:38 <Ysjoelfir> xD Just drive over to sweden, I'm sure they have plenty :P
45:27 <rust_collector> yeah, and they love me when I have had a few vodka/vodka drinks
45:46 <rust_collector> we do actually go there quite often, or the wife does
46:05 <rust_collector> it is half an hour on the ferry, then an hours drive from here
46:33 <Ysjoelfir> :P I guess so. When I wanted to buy a beer in Norge I nearly died from the heart attack I got as I saw the price.
47:01 <rust_collector> but she tends to take a different ferry there, to get the tax free stuff, which is a half hour drive, 3 hours on the boat, then the other way back
47:07 <rust_collector> beer? no no...
47:28 <Ysjoelfir> yikes. that is a pretty long drive.
47:32 <Ysjoelfir> What is wrong with beer?
47:43 <rust_collector> it is full of expensive
48:38 <rust_collector> I can not drink beer. I can have 1 or 2, but then my stomach gets very upset
49:06 <rust_collector> and, that is not a long drive
50:07 <rust_collector> I use 20 minutes to get to work, which is "just down the road"
50:13 <rust_collector> I dunno
50:40 <rust_collector> I have missed all of the netherlands, so I guess I have a different perspective
50:46 <Ysjoelfir> It is, indeed. Maybe that is why it tasted so good - it was the most expensive beer I ever drank...
51:19 <Ysjoelfir> Well, for norwegian standards IÄm sure it isn't a long drive.
51:55 <rust_collector> I tend to get the very boring.... pilsner urquel. I buy 3 or 4 of those every 4 or 5 months
52:57 <rust_collector> But, my stomach is getting more and more upset by more things now, so I guess I am done drinking beer
53:17 <Ysjoelfir> I remember driving from aseral to Evje for groceries, which was like.... 50 minutes? and that was the nearest place to get anything if i was not mistaken. But for german standards... well, it is. I ho out of the flat, walk 3 minutes and have around 20 shopping centers around
53:45 <Ysjoelfir> nah, not before you tried good bear. I should send you a bottle of good german altbier. :)
56:25 <rust_collector> hmm, the wifes ex-boss does some brewing, that is pretty good
57:23 <Ysjoelfir> that is even better, I like a good hand made craft beer :) However, the girlfriend is already snorring on the sofa and I'm slowly feeling tired as well should go to bed now.
57:52 <rust_collector> nah, it just feels like that for the first few hours, you will be ok
58:30 <rust_collector> well, good night then
58:52 <Ysjoelfir> to you too :)
59:14 * Ysjoelfir waves into the the room
59:20 Quit: Ysjoelfir ([email protected]) Quit: Going offline, see ya! (www.adiirc.com)
03:48 <EEVBlog> New EEVBlog Tweet: NEW EEVblog Video! EEVblog #1276 - Solar Roadways Surface TESTED! https://t.co/g1GpvIJgfv
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01:11 Quit: steve30000000 ([email protected]) Quit: <Baljem> steve30: by the way, I had the most bizarre dream the other day that someone came in here and seriously flipped their shit over your quit message and why aren't the ops /doing/ something about it
26:20 <EEVBlog> New EEVBlog Tweet: Only 15729km to go https://t.co/PCu1nev88Q
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25:42 <hsn> hloa
47:40 <Ampera> hullo
35:24 <hsn> im looking for the name of heatsinks without fins (because its between case and board)
36:26 <hsn> they should be available like in digikey or any electronics distributer right?
40:34 <Ampera> hsn, so a heat spreader?
41:12 <Ampera> they're usually just peices of metal, if you have some aluminium and some metal polish you could probably make one
42:23 <hsn> i've to custom make it ?
45:02 <hsn> i think it will be common thickness as im using pcb on aluminum extrusion .. i wanted to thermally couple bottom layer with the case
52:54 <Ampera> so you're using an extruded case and need to bind that to something on the PCB?
53:18 <Ampera> that still sounds like it's something easier done with a chunk of aluminum and a bandsaw
53:53 <Ampera> though I have no idea what sort of clearance that would be, so maybe there's better options
53:55 <Ampera> idk
54:31 * T3sl4 hugs Ampera
54:41 * Ampera chugs T3sl4
54:46 <T3sl4> ohhh myyy
54:51 <Ampera> I suppose Halcyon is AWOL tonight
55:03 <T3sl4> hsn: is that gonna be a slide-in thing or a two shells thing?
55:15 <Ampera> sounded like slide in, but who knows
55:18 <T3sl4> Ampera: why, were you looking to chug him too?
55:21 <hsn> slide
55:26 <Ampera> I'm always looking to chug him
55:46 <T3sl4> yeah good luck getting consistent grease under that, get the shells kind and drill holes
55:55 <Ampera> lol that's what I was thinking
55:59 <Ampera> how would you even do that
56:13 <Ampera> just bathe it in thermal compound :P
56:25 <hsn> :D i wanted to put sill pad .. and thermal compound and that bar on the edge
56:26 * T3sl4 bukakkes Ampera
56:45 <Ampera> that's an interesting concept, do they have thermally conductive potting compounds?
56:52 <T3sl4> ye
56:54 <Ampera> like full case epoxies
56:54 <hsn> no holes = not too much pressure ..
57:00 <Ampera> so it's just one big block heatsink
57:03 <Ampera> that sounds neat
57:32 <T3sl4> the usual stuff isn't very conductive, 0.5-1 W/(m.K)
57:37 <T3sl4> a lot better than air tho
57:52 <T3sl4> pads are available up to 6 W/(m.K) or even more i think
58:18 * Ampera throws a "pad" at T3sl4
58:29 <T3sl4> but good luck sliding a pad in, especially a tacky one
58:49 <T3sl4> i suppose you could grease the surface first so it's able to slide a little, who knows if that'll deteriorate the pad tho
59:35 <Ampera> sounds like a claustraphobic pain in the ass all around tbh
59:42 <Ampera> tra? tro?
59:45 <Ampera> ah fuck english
00:01 <hsn> hmmm
00:23 <T3sl4> fuck greek and latin roots*
01:01 <hsn> it will be harder slide only at the end if the sil pad was on the end of the enclusure right
01:26 <hsn> so (pcb + heat spreader) sliding to (enclusure with sil pad at end)
01:33 <Ampera> well what are the thermal requirements anyways
02:07 <Ampera> if it's so much that you want to bind it to the case, why not just install a small fan if power is available
02:50 <hsn> not too much :D probably 4 watts from (TO-263) mounted on top -> thermal via to bottom
03:06 <T3sl4> a fan to circulate air inside the enclosure isn't a bad idea, if you can't migrate to a shell enclosure
03:13 <hsn> ip rated 65 case .. not ment to be open
03:19 <Ampera> ah
03:21 <Ampera> ah
03:28 <hsn> thats why i dont want screws
03:32 <T3sl4> no, sealed, fan inside
03:51 <T3sl4> an SMT heatsink over the part would do
04:03 <T3sl4> why does it have to dissipate so much power tho?
04:55 <Ampera> I should probably sleep a bit
05:10 <Ampera> I have to carry a grill up a large flight of stairs later today
06:04 <T3sl4> grills are so hot
06:05 <hsn> its a 24regulator 0.5Amp, the supply should be 24v but it also could be +/- 30% .. so 31 volt ..
06:37 <T3sl4> not much of a regulator if it can drop out by 3V???
06:59 <T3sl4> 7.2*
07:00 <hsn> 7v ?
07:26 <T3sl4> why not a SEPIC or flying inductor converter to do that with far less loss
08:08 <hsn> hmm, tbh i just didnt think its too much heat energy thats why ..
08:20 Join: Ysjoelfir ([email protected]) to #EEVblog
08:32 <Ysjoelfir> Hi all
08:39 <Ampera> Hi one
09:01 <T3sl4> hi
09:11 <hsn> its not right ? i mean its 1amp regulator and im doing 0.5amp .. recommended Operating virtual junction temperature is 125 C
09:22 <hsn> hi Ysjeolfir
09:26 <T3sl4> heh, i wonder if you could phase modulate a PWM modulator, so that it doesn't have a lower sideband around the carrier frequency
09:44 <T3sl4> hsn: i've used switching regulators on a hell of a lot less power
09:59 <T3sl4> the thermal and space savings are very real motivations
10:43 <hsn> ok, and if it was 1watt .. would u still use switching ?
10:51 <hsn> or it will be fine without even heatsink
11:13 <hsn> rja = 25 c/w
11:42 <T3sl4> i think you'll find RthJA = 25C/W is true in free air on a large board, possibly a ceramic board at that
11:49 <Ampera> just thinking, I wonder if you couldn't use some sort of sheet metal spring inside an extruded case like that as a heat sink
11:50 <T3sl4> still air inside a shell, not so much
12:11 <Ampera> mount it to the heat, put thermal compund on the top of the spring, depress it as you slide it in, and then just release
12:34 <T3sl4> Ampera: not really, the fact that it's a thin spring, or spongy something or other, means there's not much cross section and a much longer thermal path length
12:47 <hsn> even if the shell was not ment to be open for 20years ? :D
12:48 <Ampera> aye, that's what I thought too
13:06 <T3sl4> still, is useful when the alternative is basically no heat transfer at all -- in vacuum, it's common to see copper braid bolted onto things as heatsinking
13:53 <T3sl4> hsn: since this thing is sealed, how about filling it with helium at 4atm+?
14:25 <T3sl4> i can't imagine the cost of manufacturing that, or of sealing it hermetically so the helium doesn't leak out, but it'll get you there without the fan or goop
15:35 <Ampera> actually, this might be a stupid idea, what about filling it with mineral oil
16:22 <T3sl4> better than air
16:54 <T3sl4> i wonder if PCB materials swell much in mineral oil, or which kinds if a special kind is needed
17:10 <Ampera> why would it
17:22 <hsn> believe me its totally small power that i require now from that regulator .. but i've just put 0.5Amp because i put high margin in everything
17:43 <hsn> because i thought 4watts is nothing actually.. :D
17:50 <Ampera> unless it's some strange paper board material
17:58 <hsn> im just learning about thermal stuff ..
18:11 <Ampera> power is relative
18:32 <Ampera> 4W might be nothing in a wide open air case, but if that 4W has nowhere to go
19:11 <T3sl4> why not a 78L24 or whatever, that's limited to 100mA
22:35 <hsn> i dont know, i thought if i go with somthing rated for 0.5amp and used 100mA it will have less heat generation ..
22:41 <hsn> or 1amp
23:31 <hsn> 	UA7824CKTTR was rated for 1.5amp ..
24:14 <T3sl4> how will it have less heat generation
25:27 <hsn> better spreading more internal surface area :D
25:48 <hsn> Rja is half ^
26:32 <hsn> but then Rja is actually for the whole thing in specific environment and pcb right ?
27:24 <T3sl4> riiiiiight
29:03 <hsn> hmm so it doesnt matter ? if you take 100mA regulator or 200mA capable one .. and u dissipated same power from them .. its not like you are pushing the first one into its thermal capability rating? hence more heat?
30:03 <T3sl4> RthJC is larger for the smaller part, but if RthCA is dominant, it doesn't really matter, does it?
30:25 <T3sl4> and if it's hard limited to 100mA internally, then even if your circuit fails shorted, it dissipates a couple of watts, instead of dozens
35:16 <Ysjoelfir> I would personally go with a switching regulator as often as possible. its just more convenient than dealing with the always present question "how do i get the heat away from that?"
39:18 <T3sl4> miniaturization and thermal performance are a huge motivator towards higher efficiency
40:03 Join: Halcyon ([email protected]) to #EEVblog
40:10 <Halcyon> Evening all
40:57 <Ysjoelfir> It is. And actually designing the regulator circuit isn't all to complicated, there are plenty of great ICs available that allow for easy applications. I personally love the TPS* series from TI, the datasheets basically explain every detail you have to know for a good implementation.
41:01 <Ysjoelfir> Hi Halcyon
41:03 <Halcyon> Heya
41:51 <steve30> hi Halcyon
42:04 <Halcyon> Hey Steve :)
54:38 <Ysjoelfir> Whats going on guys? Halcyon enters the room, all of the sudden nobody talks anymore. Not even Ampera :O
54:48 <Halcyon> Fucking rude!
55:15 <Ysjoelfir> Yeah, isnt it? :O I'm shocked!
00:16 <Halcyon> Yeh well, screw those guys, how are you Ys
00:18 <Halcyon> Ysjoelfir,
00:52 * T3sl4 hugs Halcyon
01:30 <Ysjoelfir> Quite good, but a bit annoyed. I hate that Pulsonix crap.... I'm working on a PCB with not more than... maybe 50 parts (basically all passives). four layers (because power and low R). that stupid thing is lagging as fuck when I move anything around!
01:39 <Ysjoelfir> U?
01:54 <K> hello
02:18 <Halcyon> I'm tired, over this week
02:22 <Halcyon> One more day then it's my weekend
04:38 <Ysjoelfir> Now it decided to be completely fucked because I dared to try to hide more than one layer at once...
04:44 * Ysjoelfir bites into the keyboard
05:15 Join: AndrevS ([email protected]) to #EEVblog
05:23 * T3sl4 Altiums Ysjoelfir
06:40 <Ysjoelfir> Thanks, I use Altium (well, the crappy low cost circuit..... studio? that non online thing) for my part time self-employed work, but at work... well. lets say, the altioum sales guys weren't as good as the Pulsonix sales guys when we decided to switch from PADS last year
06:44 * Halcyon sausages T3sl4 
07:03 <T3sl4> yikes
07:11 <Halcyon> With onions and gravy
07:13 * T3sl4 licks Halcyon's sausage
07:19 <K> oh deary me.
07:26 <Ysjoelfir> Boy, that escalated quickly :D
07:36 * T3sl4 pastas on Halcyon
07:40 <Halcyon> Oh yum
07:49 <Halcyon> Ysjoelfir: Haha this is the norm
08:17 <T3sl4> get more of a noodles-gravy thing going, just sausage sounds too heavy
08:19 <Ysjoelfir> Altium sales persons being dickheads, or you escalating? :D
08:25 <Halcyon> The latter
08:44 <Halcyon> Never dealt with Altium
08:44 <Ysjoelfir> I thought so :)
09:43 <T3sl4> Halcyon is flaming, i'm not i just tease
10:05 <Halcyon> No it's true
10:21 <Halcyon> I just don't carry on this gay in real life
10:48 * Halcyon grabs the popcorn: https://www.youtube.com/watch?v=K5lBISZBS2c
11:35 <T3sl4> Halcyon, why do people even given them the presence of mind
11:58 <Halcyon> Who?
12:15 * Ysjoelfir just bit on a rotten tomato. buaaaaargh. x.x
12:45 <Halcyon> You shouldn't keep rotten food
13:20 <Ysjoelfir> I just bought those yesterday, I wasn't expecting them to be rotten. especially since it looked completely normal
14:04 <T3sl4> it didn't turn soft or dark?
15:06 <Ysjoelfir> well, it was veeeery soft inside. but those small date tomatoes aren't the hardest from the start so i didn't notice before biting onto it
15:13 <T3sl4> now here's some quality TV https://www.youtube.com/watch?v=wmbEtgw9Pf4
15:19 <Ysjoelfir> which was when it squeezed all of its rotten nasty juices into my mouth
15:44 <Ysjoelfir> That ostrich looks drunk oO
15:58 <steve30> Halcyon, how's Jerry?
16:04 <Halcyon> I think T3sl4 is drunk
16:07 <Halcyon> Steve: Cute
17:23 <T3sl4> huh, didn't realize ostritches can puff their neck up
17:39 <Halcyon> Neither did I
18:54 <Halcyon> T3sl4: https://www.youtube.com/watch?v=BrWw7EPz5eE
20:51 <T3sl4> "worst" in several ways
22:36 <Halcyon> *smirk*
22:40 <Halcyon> I've had a long week
23:53 <T3sl4> you seem to enjoy others' genuine misery a lot, for a policeman
23:55 <T3sl4> oh wait
24:20 * Ysjoelfir picks up another tomato.........
24:26 * Ysjoelfir looks at it very critical
24:31 <Ysjoelfir> I'm scared
24:36 <Halcyon> T3sl4: But he isn't black? :P
25:02 <T3sl4> true
25:15 <T3sl4> but that would be our style, *shrug*
25:22 <Halcyon> Yeh I guess
25:25 <Halcyon> Can't steal your thunder
44:06 Quit: hsn ([email protected]) EOF from client
44:21 Join: hsn ([email protected]) to #EEVblog
50:29 <Ysjoelfir> Damn you Pulsonix!!! WHY can't I delete that fucking layer I don't use!?
50:41 <Ysjoelfir> I hate this software so much...
53:51 * Halcyon pets Ysjoelfir 
54:03 <Ysjoelfir> Thanks, felling better already
07:20 <Halcyon> I might go lay in bed and watch LGR
09:52 <Ysjoelfir> LGR is cool :)
11:13 <steve30> I have to go out in a bit. Fortunately its warmed up a bit today
18:12 * hsn sorry i left in hurry
40:23 Quit: steve30 ([email protected]) Quit: <Baljem> steve30: by the way, I had the most bizarre dream the other day that someone came in here and seriously flipped their shit over your quit message and why aren't the ops /doing/ something about it
40:43 <hsn> crap, i ate chineese food i dont feel well
41:21 <Ysjoelfir> I did that some times before, too.
42:50 <hsn> why (times)
42:52 <hsn> :D
42:54 <K> evil chinese!
42:57 <hsn> this is my first and last
43:02 <K> they are you to get us all!
43:18 <EEVBlog> New EEVBlog Tweet: Unfortunately, yes, morons are deliberately lighting #bushfires here, 24 dickheads charged in NSW: https://t.co/AU0DMBZyg6 And almost certainly more that get away with it. It's not a new phenomenon.
43:20 <Ysjoelfir> Well, times because I like the taste of it.
43:43 <Ysjoelfir> The results afterwards on the toilet... not so much
43:49 <hsn> :D
44:04 <hsn> >_< with this face
44:10 <K> bhh
44:29 <K> they didnt tell you aren't supposed to eat the chopsticks as well?
45:14 <Ysjoelfir> xD
48:00 <hsn> oh wait there was no chopsticks
48:11 <hsn> ah i ate (FAKE) (CHINEEESE)! imagine that
48:25 <K> with a fork?! like a savage!
48:35 <hsn> yeah
48:38 <hsn> and hand :D
48:45 <K> oh please stop
48:45 <Ysjoelfir> I would be pretty unhappy now if I ate my chopsticks... those are made of titanium
53:47 <EEVBlog> New EEVBlog Retweet: Garrett Mace 🌎☄️: Absolutely SHOCKED that Autodesk has removed the 2-layer $15/mo cheap subscription for Eagle, and now the only paid commercial-use option is $60/mo force-bundled with Fusion360. Can't wait for their next generous gift to the KiCad community!
55:48 <EEVBlog> New EEVBlog Retweet: The Amp Hour Podcast: Many thanks to everyone who filled out the survey this year, we love hearing how we can improve or what we should continue doing. We're sending out a bunch of thank you gifts today! https://t.co/lZVWmQ2jpn
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