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2014-04-26 04:48 <nicksydney> is "power inductor" and  "Chip Common Mode Choke Coil" the same component ?
2014-04-26 04:50 <nicksydney> trying to find the component for this schematic http://postimg.org/image/psdbdxcbz/95123ed2/ for L1 (Murata LQH4C6R8M04) but can't find any looks like it's a defunct component....and can see on Murata's website that they have other similar component but bit confused
2014-04-26 04:50 <nicksydney> this is the link to Murata selection guide http://www.murata.com/products/selection_guide/index.html
2014-04-26 04:51 <nicksydney> it says there is inductor (http://psearch.murata.com/inductor/lineup/) and Chip common Mode Choke Coil (http://www.murata.com/products/emc/selection_guide/emc2/index.html)
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2014-04-26 06:00 <solrize> http://www.ebay.com/itm/NEW-Ben-Nanonote-by-Paperback-Book-English-Free-Shipping-/380873842128?pt=US_Nonfiction_Book&hash=item58add99dd0
2014-04-26 06:00 <solrize> wtf
2014-04-26 06:00 <solrize> http://www.ebay.com/itm/NEW-Ben-Nanonote-by-Paperback-Book-English-Free-Shipping-/380873842128?pt=US_Nonfiction_Book  wait leave off that last number
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2014-04-26 06:57 <larsc> there is one about the milkymist as well
2014-04-26 06:58 <larsc> there is this company which takes wikipedia pages and prints them into a book
2014-04-26 06:58 <larsc> and sells them at a very expensive price
2014-04-26 06:58 <larsc> so if one person buys it they already have their money back
2014-04-26 06:59 <larsc> and typically their are things like libraries which have to buy one book of everything
2014-04-26 07:02 <larsc> s/their/there/ definitly to earily in the morning
2014-04-26 07:02 <qi-bot> larsc meant: "and typically there are things like libraries which have to buy one book of everything"
2014-04-26 07:06 <larsc> and I forgot to mention the books are only printed when they are actually ordered
2014-04-26 07:07 <larsc> so their model is to make _lots_ of books with no content and then just wait for people to accidentally buy them
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2014-04-26 12:44 <nicksydney> anybody here ?
2014-04-26 12:52 <larsc> http://www.urbandictionary.com/define.php?term=metaquestion just saying ;)
2014-04-26 12:53 <nicksydney> larsc: is "power inductor" and  "Chip Common Mode Choke Coil" the same component ?
2014-04-26 12:53 <larsc> no idea
2014-04-26 12:53 <nicksydney> ok ... wait see if wpwrak or DocScrutinizer05 can help me out :) if they are available :)
2014-04-26 12:56 <DocScrutinizer05> no
2014-04-26 12:57 <DocScrutinizer05> "Chip Common Mode Choke Coil" is usually what you cal bifilar
2014-04-26 12:57 <DocScrutinizer05> call*
2014-04-26 12:57 <DocScrutinizer05> it's used for e.g. audio signals
2014-04-26 12:57 <DocScrutinizer05> generally for filters
2014-04-26 13:05 <DocScrutinizer05> https://www.google.com/search?q=LQH4C6R8M04&ie=UTF-8
2014-04-26 13:10 <nicksydney> DocScrutinizer05: been looking around for replacement as seems like that product is old...one thing not sure in the datasheet it outline about "Self resonant Frequency (Mhz) http://postimg.org/image/wi633v067/ ... does that normally make a huge difference if the replacement is slightly lower or higher ?
2014-04-26 13:11 <DocScrutinizer05> slightly doesn't make much difference
2014-04-26 13:17 <DocScrutinizer05> LQH4 size factor doesn't exist anymore, it seems
2014-04-26 13:18 <nicksydney> i found something similar http://www.digikey.com.au/product-search/en?pv66=1787&FV=fff40003%2Cfff80013%2C4c0008%2C1140003%2Cb0800e2&k=murata&mnonly=0&newproducts=0&ColumnSort=0&page=1&quantity=0&ptm=0&fid=0&pageSize=500
2014-04-26 13:24 <DocScrutinizer05> yes, looks compatible
2014-04-26 13:28 <DocScrutinizer05> should be 100% drop in replacement, except maybe for formfactor/footprint
2014-04-26 13:30 <nicksydney> cool...thanks....will start drawing the schematics for the power supply
2014-04-26 13:33 <DocScrutinizer05> btw that schematic seems flawed re BOM for C4
2014-04-26 13:34 <DocScrutinizer05> unless the tayo yuden part number they listed is for a whole series of capacitors, incl 1uF and 4.7uF
2014-04-26 13:36 <nicksydney> it says it's for C2, C3 and C4 - Tayo Yuden EMK316BJ105KF
2014-04-26 13:36 <DocScrutinizer05> yes
2014-04-26 13:36 <DocScrutinizer05> exactly
2014-04-26 13:37 <DocScrutinizer05> 105 sounds like 1uF, but not like 4.7uF
2014-04-26 13:37 <DocScrutinizer05> schematic says C4 is 4.7uF
2014-04-26 13:39 <DocScrutinizer05> o/ afk
2014-04-26 13:41 <nicksydney> DocScrutinizer05: that's right according to this http://www.chip1stop.com/web/USA/en/dispDetail.do?partId=TYYU-0023014&utm_medium=cpc&utm_campaign=aggregator&utm_source=octopart&utm_term=TYYU-0023014&cid=octopart_TYYU-0023014 it's also 1uF
2014-04-26 13:41 <DocScrutinizer05> and how's that right?
2014-04-26 13:42 <nicksydney> i meant you were right it's 1uF
2014-04-26 13:42 <nicksydney> need to dig around to see if TI made a mistake for that particular schematics
2014-04-26 13:42 <nicksydney> for C4
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2014-04-26 13:50 <DocScrutinizer05> 4.7uF sounds good, but the type of capacitor is also right, just the value wrong. try to get EMK316BJ475KF or whatever
2014-04-26 13:52 <DocScrutinizer05> or place a EMK316BJ105KF and a type like C1 in parallel
2014-04-26 13:53 <DocScrutinizer05> would create 5.7uF which doesn't hurt
2014-04-26 13:55 <DocScrutinizer05> are you sure you need 10V@15mA dual-voltage?
2014-04-26 13:56 <DocScrutinizer05> you know you can't get more than 15mA out of that?
2014-04-26 13:56 <eintopf> http://oneplus.net/
2014-04-26 13:57 <eintopf> this mobile phone looks nice :/
2014-04-26 13:59 <nicksydney> i need to download their excel calculator to calculate what value for the L1 need to use to get 19v ...the LCD datasheet is saying http://postimg.org/image/gk4wrqew5/c9701ab5/ (for 5inch)
2014-04-26 13:59 <nicksydney> and also the value of R1 and R2 ..as the calculator will give you those value too
2014-04-26 14:01 <DocScrutinizer05> nicksydney: you need a completely different circuit for backlight. You need current regulation o.O
2014-04-26 14:01 <DocScrutinizer05> NOT voltage regulation
2014-04-26 14:02 <DocScrutinizer05> 19V is only a sidenote value
2014-04-26 14:02 <DocScrutinizer05> 40mA is the relevant thing
2014-04-26 14:03 <DocScrutinizer05> unless datasheet says different (I don't like those datasheet "pictures")
2014-04-26 14:04 <nicksydney> reading TPS61040 datasheet it says it's "a high frequency boost converter dedicated for small to medium LCD bias supply and while LED backlight supplies"
2014-04-26 14:05 <DocScrutinizer05> cya
2014-04-26 14:06 <nicksydney> and the features the datasheet writes• Adjustable Output Voltage Range up to 28 V converter dedicated for small to medium LCD bias
2014-04-26 14:06 <nicksydney> • 400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current
2014-04-26 14:08 <DocScrutinizer05> meh
2014-04-26 14:09 <DocScrutinizer05> do you even understand what's LCD bias?
2014-04-26 14:13 <nicksydney> my understanding is minimum technically but what i know is the TFT requires - and + voltage ... not completely in tune with the technical of LCD bias
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2014-04-26 19:16 <whitequark> TIL: Moscow doesn't have a centralized system to control traffic lights
2014-04-26 19:17 <whitequark> they just... kinda do their own thing, (almost) every single one in isolation
2014-04-26 19:30 <larsc> makes them resistent against hacker attacks
2014-04-26 19:32 <whitequark> I believe there was a recent incident when someone hacked the information panels and put hardcore porn onto them
2014-04-26 19:46 <wpwrak> so that was the first time anyone actually paid attention to them ? :)
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2014-04-26 20:43 <DocScrutinizer05> haha
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2014-04-26 20:49 <whitequark> http://www.ffuucomics.com/wp-content/uploads/2009/11/Moby-Dick-FFFFUUUU.jpg
2014-04-26 20:50 <whitequark> despite the URL it's pretty great
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2014-04-26 21:13 <wpwrak> enhanced dating techniques :)
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2014-04-26 21:28 <wpwrak_> hmm, the gods of nouveau crashes seem to be against me running the demo of kerbal space program :-(
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2014-04-26 21:33 <whitequark> wpwrak_: nouveau isn't good for 3D.
2014-04-26 21:33 <whitequark> besides, even proprietary nvidia driver (and it *is* good) can hardly bear the load on my system
2014-04-26 21:40 <aazzddgg> I'm having problems with gnome3(shell) and nvida m7000
2014-04-26 21:41 <aazzddgg> I've decided that instead of swaring using the tipicla words I'm going to swar using names of comapnys I don't like, so  imagine.... NViDIA!! arrr microshoft, Appp-A-L-E, monshanto, etc
2014-04-26 21:42 <aazzddgg> typical
2014-04-26 21:42 <whitequark> wat
2014-04-26 21:42 <aazzddgg> just my fun
2014-04-26 21:43 <aazzddgg> imagine them being shouted with anger...
2014-04-26 21:44 <aazzddgg> swearing
2014-04-26 21:44 <aazzddgg> s/swar/swear/g
2014-04-26 21:44 <aazzddgg> company's
2014-04-26 21:45 <aazzddgg> sorry I press enter when I meant to spell correct
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