On Sat, 22 Jul 2017 12:05:37 -0700 (PDT), Klaus Kragelund <klauskvik@hotmail.com> wrote:>On Saturday, July 22, 2017 at 8:40:24 PM UTC+2, Joerg wrote: >> On 2017-07-22 07:43, John Larkin wrote: >> > On Sat, 22 Jul 2017 08:42:45 +0100, "Kevin Aylward" >> > <kevinRemovAT@kevinaylward.co.uk> wrote: >> > >> >> "John Larkin" wrote in message >> >> news:2r95nc5ls1rrm7cmp5ptn26kmlrroi6jpp@4ax.com... >> >> >> >> On Fri, 21 Jul 2017 21:25:00 +0100, "Kevin Aylward" >> >> <kevinRemovAT@kevinaylward.co.uk> wrote: >> >> >> >>> "John Larkin" wrote in message >> >>> news:m794nclodso7tu7c9bihmic1cuqtuf4ufa@4ax.com... >> >>> >> >>> >> >>> >> >>>> Companies buy companies because the bought companies are eating >> >>>>> onto the buying companies revenues. The buying company wants the, now get >> >>>>> this, the *Customers* of the bought company, and secondly, their >> >>>>> *products* >> >>>>> that customers *buy*. LT gets billions of revenue from paying customers, >> >>>>> that's what ADI want and bought. Dah.... >> >>>>> >> >>>>> LTSpice is just a nice icing on the cake sort of thing. If it ceased to >> >>>>> exist, it ut bwould make F'all difference. That's reality. >> >>> >> >>>> It's a major sales tool. >> >>> >> >>> No. Its a sales tool. >> >>> >> >>>> People pay for sales tools. >> >>> >> >>> Sure, but not $1B. >> >>> >> >>>> When I made the suggestion to the LT/ADI transition team, nobody >> >>>> contradicted me. I'd guess that LT Spice added at least a billion >> >>>> dollars to the deal. >> >>> >> >>>> Complete and utter nonsense. >> >>> >> >>>> Like, Cadence do about $2B revenue. Candace is THE mainstream de-facto >> >>>> system in IC design. You know, the things that the world runs on. >> >>> >> >>>> You're trying to claim that the LT Freebee is on a par in value. >> >>> >> >>>> LT do about $2B in physical sales. You are effectively trying to claim >> >>>> that >> >>>> if LTSpice didn't exist, LT would lose like $100Ms of dollars. Bullshit. >> >>> >> >>>> You really need to stand back and think about the big picture. >> >>> >> >>>> People buy LT parts because of the performance, not because of a >> >>>> simulater. >> >>>> Period. >> >>> >> >>>> LTSpice only has to improve sales by say, a million or so to justify its >> >>>> existence, i.e Mike's salary :-). I agree, it probably does that, and such >> >>>> a >> >>>> salary pisses me off no end.... >> >>>> >> >> >> >>> In summary, you are jealous of LT Spice and its author. >> >> >> >> The summary, is that some here have absolutely no idea whatsoever of the >> >> value of some marketing tools. >> >> >> >> AD do about $3B in product. >> >> >> >> How much would it cost to for any company to get the Spice3 code, and hire >> >> someone to write a GUI for it? Like a few $100k ? >> >> >> >> Hint: you can buy 3rd party GUI tools that have schematic capture as a drop >> >> in component. >> >> >> >> Do your really think all the other companies are so totally stupid that they >> >> wouldn't invest a few hundred $ to produce a full featured Spice to give >> >> away for free if it would net them a $1B more a year in revenue. Get real. >> >> >> >> >> >> -- Kevin Aylward >> >> http://www.anasoft.co.uk - SuperSpice >> >> http://www.kevinaylward.co.uk/ee/index.html >> > >> > ADI paid 14.8 big ones for LTC. LTC charges at least 2x what other >> > people charge for similar functions. LT Spice helps them do that. >> > >> > TI's sim stuff won't even run on my PC for some reason. So I use LTC >> > parts unless the cost impact is extreme. >> > >> > TPS54302 is a great little switcher, but I had to spend an afternoon >> > breadboard fiddling to figure out all my needed compansations with >> > various caps and voltages. I'll use a lot of them, so it was worth it. >> > But neither TI's data sheet nor their software was much help. >> > >> > Colleges use LT Spice all over the world. It has its own culture. >> > Culture matters. >> > >> >> I'll second all that. 100%. >> >> I don't know how much sales I generated for LTC because of LTSpice but >> it likely was 7-digit. And I am only one of many. >> >I don't believe that for a second > >I have worked at 6 different firms and I have never come across any colleagues using a single LT part. Only here at SED > >Cheers > >KlausI've used $149,759 worth of LTC2242's so far, and hope to use a lot more. Amazing ADC. Of course, I didn't use LT Spice on that one! We also use a bunch of their opamps, switchers, and DACs, 21 different parts in stock. -- John Larkin Highland Technology, Inc lunatic fringe electronics
LT spice, leakage inductance
Started by ●July 20, 2017
Reply by ●July 22, 20172017-07-22
Reply by ●July 22, 20172017-07-22
On Sat, 22 Jul 2017 12:11:44 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote:>On Sat, 22 Jul 2017 12:05:37 -0700 (PDT), Klaus Kragelund ><klauskvik@hotmail.com> wrote: > >>On Saturday, July 22, 2017 at 8:40:24 PM UTC+2, Joerg wrote: >>> On 2017-07-22 07:43, John Larkin wrote: > >[snip] >>> > >>> > Colleges use LT Spice all over the world. It has its own culture. >>> > Culture matters. >>> > >>> >>> I'll second all that. 100%. >>> >>> I don't know how much sales I generated for LTC because of LTSpice but >>> it likely was 7-digit. And I am only one of many. >>> >>I don't believe that for a second >> >>I have worked at 6 different firms and I have never come across any colleagues using a single LT part. Only here at SED >> >>Cheers >> >>Klaus > > {>:-} > >Right down there with Microchip Analog parts ;-) > > ...Jim ThompsonSome of their parts are quite good, like their comparators. -- John Larkin Highland Technology, Inc lunatic fringe electronics
Reply by ●July 22, 20172017-07-22
On 2017-07-22 12:05, Klaus Kragelund wrote:> On Saturday, July 22, 2017 at 8:40:24 PM UTC+2, Joerg wrote: >> On 2017-07-22 07:43, John Larkin wrote: >>> On Sat, 22 Jul 2017 08:42:45 +0100, "Kevin Aylward" >>> <kevinRemovAT@kevinaylward.co.uk> wrote: >>> >>>> "John Larkin" wrote in message >>>> news:2r95nc5ls1rrm7cmp5ptn26kmlrroi6jpp@4ax.com... >>>> >>>> On Fri, 21 Jul 2017 21:25:00 +0100, "Kevin Aylward" >>>> <kevinRemovAT@kevinaylward.co.uk> wrote: >>>> >>>>> "John Larkin" wrote in message >>>>> news:m794nclodso7tu7c9bihmic1cuqtuf4ufa@4ax.com... >>>>> >>>>> >>>>> >>>>>> Companies buy companies because the bought companies are >>>>>> eating >>>>>>> onto the buying companies revenues. The buying company >>>>>>> wants the, now get this, the *Customers* of the bought >>>>>>> company, and secondly, their *products* that customers >>>>>>> *buy*. LT gets billions of revenue from paying >>>>>>> customers, that's what ADI want and bought. Dah.... >>>>>>> >>>>>>> LTSpice is just a nice icing on the cake sort of thing. >>>>>>> If it ceased to exist, it ut bwould make F'all >>>>>>> difference. That's reality. >>>>> >>>>>> It's a major sales tool. >>>>> >>>>> No. Its a sales tool. >>>>> >>>>>> People pay for sales tools. >>>>> >>>>> Sure, but not $1B. >>>>> >>>>>> When I made the suggestion to the LT/ADI transition team, >>>>>> nobody contradicted me. I'd guess that LT Spice added at >>>>>> least a billion dollars to the deal. >>>>> >>>>>> Complete and utter nonsense. >>>>> >>>>>> Like, Cadence do about $2B revenue. Candace is THE >>>>>> mainstream de-facto system in IC design. You know, the >>>>>> things that the world runs on. >>>>> >>>>>> You're trying to claim that the LT Freebee is on a par in >>>>>> value. >>>>> >>>>>> LT do about $2B in physical sales. You are effectively >>>>>> trying to claim that if LTSpice didn't exist, LT would lose >>>>>> like $100Ms of dollars. Bullshit. >>>>> >>>>>> You really need to stand back and think about the big >>>>>> picture. >>>>> >>>>>> People buy LT parts because of the performance, not >>>>>> because of a simulater. Period. >>>>> >>>>>> LTSpice only has to improve sales by say, a million or so >>>>>> to justify its existence, i.e Mike's salary :-). I agree, >>>>>> it probably does that, and such a salary pisses me off no >>>>>> end.... >>>>>> >>>> >>>>> In summary, you are jealous of LT Spice and its author. >>>> >>>> The summary, is that some here have absolutely no idea >>>> whatsoever of the value of some marketing tools. >>>> >>>> AD do about $3B in product. >>>> >>>> How much would it cost to for any company to get the Spice3 >>>> code, and hire someone to write a GUI for it? Like a few $100k >>>> ? >>>> >>>> Hint: you can buy 3rd party GUI tools that have schematic >>>> capture as a drop in component. >>>> >>>> Do your really think all the other companies are so totally >>>> stupid that they wouldn't invest a few hundred $ to produce a >>>> full featured Spice to give away for free if it would net them >>>> a $1B more a year in revenue. Get real. >>>> >>>> >>>> -- Kevin Aylward http://www.anasoft.co.uk - SuperSpice >>>> http://www.kevinaylward.co.uk/ee/index.html >>> >>> ADI paid 14.8 big ones for LTC. LTC charges at least 2x what >>> other people charge for similar functions. LT Spice helps them do >>> that. >>> >>> TI's sim stuff won't even run on my PC for some reason. So I use >>> LTC parts unless the cost impact is extreme. >>> >>> TPS54302 is a great little switcher, but I had to spend an >>> afternoon breadboard fiddling to figure out all my needed >>> compansations with various caps and voltages. I'll use a lot of >>> them, so it was worth it. But neither TI's data sheet nor their >>> software was much help. >>> >>> Colleges use LT Spice all over the world. It has its own >>> culture. Culture matters. >>> >> >> I'll second all that. 100%. >> >> I don't know how much sales I generated for LTC because of LTSpice >> but it likely was 7-digit. And I am only one of many. >> > I don't believe that for a second >It's true. I can't vouch for the exact amount, of course, but there were designs that contain several LTC chips and are still in production.> I have worked at 6 different firms and I have never come across any > colleagues using a single LT part. Only here at SED >In some markets a thorough simulation is very important. Most of my designs work quietly in the background somewhere. You may have had them very close to you, for example while flying in large aircraft. Others are in hospitals but those machines you'd only encounter after a serious cardiac event and hopefully that will never happen. -- Regards, Joerg http://www.analogconsultants.com/
Reply by ●July 22, 20172017-07-22
On 2017-07-22 12:16, John Larkin wrote:> On Sat, 22 Jul 2017 11:40:34 -0700, Joerg <news@analogconsultants.com> > wrote: > >> On 2017-07-22 07:43, John Larkin wrote: >>> On Sat, 22 Jul 2017 08:42:45 +0100, "Kevin Aylward" >>> <kevinRemovAT@kevinaylward.co.uk> wrote: >>> >>>> "John Larkin" wrote in message >>>> news:2r95nc5ls1rrm7cmp5ptn26kmlrroi6jpp@4ax.com... >>>> >>>> On Fri, 21 Jul 2017 21:25:00 +0100, "Kevin Aylward" >>>> <kevinRemovAT@kevinaylward.co.uk> wrote: >>>> >>>>> "John Larkin" wrote in message >>>>> news:m794nclodso7tu7c9bihmic1cuqtuf4ufa@4ax.com... >>>>> >>>>> >>>>> >>>>>> Companies buy companies because the bought companies are eating >>>>>>> onto the buying companies revenues. The buying company wants the, now get >>>>>>> this, the *Customers* of the bought company, and secondly, their >>>>>>> *products* >>>>>>> that customers *buy*. LT gets billions of revenue from paying customers, >>>>>>> that's what ADI want and bought. Dah.... >>>>>>> >>>>>>> LTSpice is just a nice icing on the cake sort of thing. If it ceased to >>>>>>> exist, it ut bwould make F'all difference. That's reality. >>>>> >>>>>> It's a major sales tool. >>>>> >>>>> No. Its a sales tool. >>>>> >>>>>> People pay for sales tools. >>>>> >>>>> Sure, but not $1B. >>>>> >>>>>> When I made the suggestion to the LT/ADI transition team, nobody >>>>>> contradicted me. I'd guess that LT Spice added at least a billion >>>>>> dollars to the deal. >>>>> >>>>>> Complete and utter nonsense. >>>>> >>>>>> Like, Cadence do about $2B revenue. Candace is THE mainstream de-facto >>>>>> system in IC design. You know, the things that the world runs on. >>>>> >>>>>> You're trying to claim that the LT Freebee is on a par in value. >>>>> >>>>>> LT do about $2B in physical sales. You are effectively trying to claim >>>>>> that >>>>>> if LTSpice didn't exist, LT would lose like $100Ms of dollars. Bullshit. >>>>> >>>>>> You really need to stand back and think about the big picture. >>>>> >>>>>> People buy LT parts because of the performance, not because of a >>>>>> simulater. >>>>>> Period. >>>>> >>>>>> LTSpice only has to improve sales by say, a million or so to justify its >>>>>> existence, i.e Mike's salary :-). I agree, it probably does that, and such >>>>>> a >>>>>> salary pisses me off no end.... >>>>>> >>>> >>>>> In summary, you are jealous of LT Spice and its author. >>>> >>>> The summary, is that some here have absolutely no idea whatsoever of the >>>> value of some marketing tools. >>>> >>>> AD do about $3B in product. >>>> >>>> How much would it cost to for any company to get the Spice3 code, and hire >>>> someone to write a GUI for it? Like a few $100k ? >>>> >>>> Hint: you can buy 3rd party GUI tools that have schematic capture as a drop >>>> in component. >>>> >>>> Do your really think all the other companies are so totally stupid that they >>>> wouldn't invest a few hundred $ to produce a full featured Spice to give >>>> away for free if it would net them a $1B more a year in revenue. Get real. >>>> >>>> >>>> -- Kevin Aylward >>>> http://www.anasoft.co.uk - SuperSpice >>>> http://www.kevinaylward.co.uk/ee/index.html >>> >>> ADI paid 14.8 big ones for LTC. LTC charges at least 2x what other >>> people charge for similar functions. LT Spice helps them do that. >>> >>> TI's sim stuff won't even run on my PC for some reason. So I use LTC >>> parts unless the cost impact is extreme. >>> >>> TPS54302 is a great little switcher, but I had to spend an afternoon >>> breadboard fiddling to figure out all my needed compansations with >>> various caps and voltages. I'll use a lot of them, so it was worth it. >>> But neither TI's data sheet nor their software was much help. >>> >>> Colleges use LT Spice all over the world. It has its own culture. >>> Culture matters. >>> >> >> I'll second all that. 100%. >> >> I don't know how much sales I generated for LTC because of LTSpice but >> it likely was 7-digit. And I am only one of many. > > Literally millions of kids will get EE degrees where they learned to > use LT Spice. LTS has mediocre documentation and HELP, and lots of > hidden features, and the best tutorials are written by college profs, > for their students. All those kids will go out and continue to use LT > Spice, and spec LTC parts. [1] [2] >I am afraid that the vast majority of them will have no clue about anything analog, anything at the transistor level. Yeah, they can press the run button on LTSpice but when they change something and the thing goes berserk they don't know why.> They won't be using SuperSpice much, because the student version is > badly crippled and not free. > > [1] not everyone battles to find the lowest-price parts. I've known > engineers that preferred expensive parts, because they thought they > might be better, or just because it made them feel more important. >Sometimes I have to design mission-critical stuff. There cost is secondary but you have to simulate the dickens out of it. That is not possible when using an IC for which no SPICE model is published.> [2] NI understands this dynamic too. When I was a kid, I worked > summers in a college electronics lab, for 85 cents an hour. Fairchild > and TI would send us boxes of their newfangled silicon transistors; > same idea. >Oh yeah. I have yet to encounter a client where their test lab is not running on NI modules and LabView. At one we needed to switch some higher voltage and a simple relay board cost hundreds of Dollars. -- Regards, Joerg http://www.analogconsultants.com/
Reply by ●July 22, 20172017-07-22
On Sat, 22 Jul 2017 12:39:45 -0700, John Larkin <jjlarkin@highlandtechnology.com> wrote:>On Sat, 22 Jul 2017 12:11:44 -0700, Jim Thompson ><To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: > >>On Sat, 22 Jul 2017 12:05:37 -0700 (PDT), Klaus Kragelund >><klauskvik@hotmail.com> wrote: >> >>>On Saturday, July 22, 2017 at 8:40:24 PM UTC+2, Joerg wrote: >>>> On 2017-07-22 07:43, John Larkin wrote: >> >>[snip] >>>> > >>>> > Colleges use LT Spice all over the world. It has its own culture. >>>> > Culture matters. >>>> > >>>> >>>> I'll second all that. 100%. >>>> >>>> I don't know how much sales I generated for LTC because of LTSpice but >>>> it likely was 7-digit. And I am only one of many. >>>> >>>I don't believe that for a second >>> >>>I have worked at 6 different firms and I have never come across any colleagues using a single LT part. Only here at SED >>> >>>Cheers >>> >>>Klaus >> >> {>:-} >> >>Right down there with Microchip Analog parts ;-) >> >> ...Jim Thompson > >Some of their parts are quite good, like their comparators.[Begin personal opinion (legal disclaimer) mode ;-] Their Spice models are the suckiest of the sucky. ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I'm looking for work... see my website. Thinking outside the box...producing elegant & economic solutions.
Reply by ●July 22, 20172017-07-22
On Sat, 22 Jul 2017 12:09:07 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: [snip]> >TPS54302 Spice model is encrypted... > ><http://www.ti.com/lit/zip/slvmbl9> > >just what I've been harping about. > >Models that won't run on ANY Berkeley-Spice-compliant simulator aren't >worth the powder to blow 'em to hell. > >Me, I can always resort to rolling my own, you peasants are SOL ;-) >Not that it really matters much. The state of the art engineering education is now "copy-and-paste", just copy the vendor's suggested design _and_ board layout, and away you go ;-) The snowflakes have won... for now... what will they do when there's no one left to create something for them to copy ?>:-} ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I'm looking for work... see my website. Thinking outside the box...producing elegant & economic solutions.
Reply by ●July 22, 20172017-07-22
On 2017-07-22 13:18, Jim Thompson wrote:> On Sat, 22 Jul 2017 12:09:07 -0700, Jim Thompson > <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: > > > [snip] >> >> TPS54302 Spice model is encrypted... >> >> <http://www.ti.com/lit/zip/slvmbl9> >> >> just what I've been harping about. >> >> Models that won't run on ANY Berkeley-Spice-compliant simulator aren't >> worth the powder to blow 'em to hell. >> >> Me, I can always resort to rolling my own, you peasants are SOL ;-) >> > > Not that it really matters much. The state of the art engineering > education is now "copy-and-paste", just copy the vendor's suggested > design _and_ board layout, and away you go ;-) > > The snowflakes have won... for now... what will they do when there's > no one left to create something for them to copy ?>:-} >By then they have an "app" that does that :-) -- Regards, Joerg http://www.analogconsultants.com/
Reply by ●July 22, 20172017-07-22
On Sat, 22 Jul 2017 15:46:53 -0700, Joerg <news@analogconsultants.com> wrote:>On 2017-07-22 13:18, Jim Thompson wrote: >> On Sat, 22 Jul 2017 12:09:07 -0700, Jim Thompson >> <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote: >> >> >> [snip] >>> >>> TPS54302 Spice model is encrypted... >>> >>> <http://www.ti.com/lit/zip/slvmbl9> >>> >>> just what I've been harping about. >>> >>> Models that won't run on ANY Berkeley-Spice-compliant simulator aren't >>> worth the powder to blow 'em to hell. >>> >>> Me, I can always resort to rolling my own, you peasants are SOL ;-) >>> >> >> Not that it really matters much. The state of the art engineering >> education is now "copy-and-paste", just copy the vendor's suggested >> design _and_ board layout, and away you go ;-) >> >> The snowflakes have won... for now... what will they do when there's >> no one left to create something for them to copy ?>:-} >> > >By then they have an "app" that does that :-)Probably. It's fortunate that they already have an app: "It's now time to wipe your ass (or 'arse' as Aylward would say ;-)" ...Jim Thompson -- | James E.Thompson | mens | | Analog Innovations | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | STV, Queen Creek, AZ 85142 Skype: skypeanalog | | | Voice:(480)460-2350 Fax: Available upon request | Brass Rat | | E-mail Icon at http://www.analog-innovations.com | 1962 | I'm looking for work... see my website. Thinking outside the box...producing elegant & economic solutions.
Reply by ●July 22, 20172017-07-22
On Sat, 22 Jul 2017 12:01:43 -0700, Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> wrote:>On Sat, 22 Jul 2017 11:40:34 -0700, Joerg <news@analogconsultants.com> >wrote: > >>On 2017-07-22 07:43, John Larkin wrote: > >[snip] >>> >>> TPS54302 is a great little switcher, but I had to spend an afternoon >>> breadboard fiddling to figure out all my needed compansations with >>> various caps and voltages. I'll use a lot of them, so it was worth it. >>> But neither TI's data sheet nor their software was much help. >>> >>> Colleges use LT Spice all over the world. It has its own culture. >>> Culture matters. >>> >> >>I'll second all that. 100%. >> >>I don't know how much sales I generated for LTC because of LTSpice but >>it likely was 7-digit. And I am only one of many. > >Designed any chips with LTspice?Why would anyone even attempt such a thing? LTC doesn't sell fab space.
Reply by ●July 22, 20172017-07-22
On Sat, 22 Jul 2017 12:05:37 -0700 (PDT), Klaus Kragelund <klauskvik@hotmail.com> wrote:>On Saturday, July 22, 2017 at 8:40:24 PM UTC+2, Joerg wrote: >> On 2017-07-22 07:43, John Larkin wrote: >> > On Sat, 22 Jul 2017 08:42:45 +0100, "Kevin Aylward" >> > <kevinRemovAT@kevinaylward.co.uk> wrote: >> > >> >> "John Larkin" wrote in message >> >> news:2r95nc5ls1rrm7cmp5ptn26kmlrroi6jpp@4ax.com... >> >> >> >> On Fri, 21 Jul 2017 21:25:00 +0100, "Kevin Aylward" >> >> <kevinRemovAT@kevinaylward.co.uk> wrote: >> >> >> >>> "John Larkin" wrote in message >> >>> news:m794nclodso7tu7c9bihmic1cuqtuf4ufa@4ax.com... >> >>> >> >>> >> >>> >> >>>> Companies buy companies because the bought companies are eating >> >>>>> onto the buying companies revenues. The buying company wants the, now get >> >>>>> this, the *Customers* of the bought company, and secondly, their >> >>>>> *products* >> >>>>> that customers *buy*. LT gets billions of revenue from paying customers, >> >>>>> that's what ADI want and bought. Dah.... >> >>>>> >> >>>>> LTSpice is just a nice icing on the cake sort of thing. If it ceased to >> >>>>> exist, it ut bwould make F'all difference. That's reality. >> >>> >> >>>> It's a major sales tool. >> >>> >> >>> No. Its a sales tool. >> >>> >> >>>> People pay for sales tools. >> >>> >> >>> Sure, but not $1B. >> >>> >> >>>> When I made the suggestion to the LT/ADI transition team, nobody >> >>>> contradicted me. I'd guess that LT Spice added at least a billion >> >>>> dollars to the deal. >> >>> >> >>>> Complete and utter nonsense. >> >>> >> >>>> Like, Cadence do about $2B revenue. Candace is THE mainstream de-facto >> >>>> system in IC design. You know, the things that the world runs on. >> >>> >> >>>> You're trying to claim that the LT Freebee is on a par in value. >> >>> >> >>>> LT do about $2B in physical sales. You are effectively trying to claim >> >>>> that >> >>>> if LTSpice didn't exist, LT would lose like $100Ms of dollars. Bullshit. >> >>> >> >>>> You really need to stand back and think about the big picture. >> >>> >> >>>> People buy LT parts because of the performance, not because of a >> >>>> simulater. >> >>>> Period. >> >>> >> >>>> LTSpice only has to improve sales by say, a million or so to justify its >> >>>> existence, i.e Mike's salary :-). I agree, it probably does that, and such >> >>>> a >> >>>> salary pisses me off no end.... >> >>>> >> >> >> >>> In summary, you are jealous of LT Spice and its author. >> >> >> >> The summary, is that some here have absolutely no idea whatsoever of the >> >> value of some marketing tools. >> >> >> >> AD do about $3B in product. >> >> >> >> How much would it cost to for any company to get the Spice3 code, and hire >> >> someone to write a GUI for it? Like a few $100k ? >> >> >> >> Hint: you can buy 3rd party GUI tools that have schematic capture as a drop >> >> in component. >> >> >> >> Do your really think all the other companies are so totally stupid that they >> >> wouldn't invest a few hundred $ to produce a full featured Spice to give >> >> away for free if it would net them a $1B more a year in revenue. Get real. >> >> >> >> >> >> -- Kevin Aylward >> >> http://www.anasoft.co.uk - SuperSpice >> >> http://www.kevinaylward.co.uk/ee/index.html >> > >> > ADI paid 14.8 big ones for LTC. LTC charges at least 2x what other >> > people charge for similar functions. LT Spice helps them do that. >> > >> > TI's sim stuff won't even run on my PC for some reason. So I use LTC >> > parts unless the cost impact is extreme. >> > >> > TPS54302 is a great little switcher, but I had to spend an afternoon >> > breadboard fiddling to figure out all my needed compansations with >> > various caps and voltages. I'll use a lot of them, so it was worth it. >> > But neither TI's data sheet nor their software was much help. >> > >> > Colleges use LT Spice all over the world. It has its own culture. >> > Culture matters. >> > >> >> I'll second all that. 100%. >> >> I don't know how much sales I generated for LTC because of LTSpice but >> it likely was 7-digit. And I am only one of many. >> >I don't believe that for a second > >I have worked at 6 different firms and I have never come across any colleagues using a single LT part. Only here at SEDSo you're saying that LT doesn't actually sell parts in the $Bs? Or are you saying that everyone who uses those $Bs worth of LT parts is here on SED? LT parts aren't the norm but they aren't rare at my CPoE. There are a few applications where they're cost effective. There were more at my PPoE, where the volumes weren't high enough for the premium to matter and the support (LT Spice) was worthwhile. At my CPoE, the volumes are high enough that I can get an FAE from any of a dozen companies in my office if needed. TI has two and a half FAEs and a sales engineer dedicated to us. LT Spice can't compete with that service.
