Electronics-Related.com
Forums

TUTORIAL - Example 1, Using Femm to Calculate Component Values of Simple Microstrip to use in LTspice/PSpice

Started by RobertMacy May 5, 2015
On Fri, 08 May 2015 06:49:57 +1000, Lasse Langwadt Christensen  
<langwadt@fonz.dk> wrote:

> Den torsdag den 7. maj 2015 kl. 22.43.38 UTC+2 skrev David Eather: >> On Thu, 07 May 2015 10:43:05 +1000, Lasse Langwadt Christensen >> <langwadt@fonz.dk> wrote: >> >> > Den torsdag den 7. maj 2015 kl. 01.58.54 UTC+2 skrev David Eather: >> >> On Wed, 06 May 2015 12:11:05 +1000, John Larkin >> >> <jlarkin@highlandtechnology.com> wrote: >> >> >> >> > On Wed, 06 May 2015 07:40:38 +1000, "David Eather" >> <eather@tpg.com.au> >> >> > wrote: >> >> > >> >> >> On Wed, 06 May 2015 02:17:38 +1000, John Larkin >> >> >> <jlarkin@highlandtechnology.com> wrote: >> >> >> >> >> >>> On Tue, 05 May 2015 08:05:52 -0700, RobertMacy >> >> >>> <robert.a.macy@gmail.com> wrote: >> >> >>> >> >> >>>> On Tue, 05 May 2015 05:17:57 -0700, Phil Hobbs >> <pcdhobbs@gmail.com> >> >> >>>> wrote: >> >> >>>> >> >> >>>>> How about putting it on Dropbox or someplace like that? >> >> >>>>> >> >> >>>>> ABSE would work for many of us as well. >> >> >>>>> >> >> >>>>> Cheers >> >> >>>>> >> >> >>>>> Phil Hobbs >> >> >>>> >> >> >>>> Does nobody read?! I constantly complain about the 'toxicity' of >> >> those >> >> >>>> websites, Dropbox, etc. Dropbox and all those 'free' websites >> sell >> >> >>>> something to somebody ...else, Their customers are NOT the >> users. >> >> >>>> Those >> >> >>>> websites start 'poking' around inside our PC's, causing hangs, >> and >> >> >>>> worst >> >> >>>> of all, total crashes that require Power OFF reboots! And the >> >> times I >> >> >>>> sit >> >> >>>> and wait and wait and they didn't crash us, they didn't even >> give >> >> me >> >> >>>> access to what somebody dropped there. So, NO I now NEVER you >> those >> >> >>>> 'free' >> >> >>>> websites. >> >> >>> >> >> >>> I'm not aware of any problems with Dropbox, except that it seems >> to >> >> >>> slow down my computers a bit, which is reasonable since it's >> doing a >> >> >>> lot of file transfers and checks and stuff. I no longer need to >> >> carry >> >> >>> memory sticks around, and have access to my stuff on my 4 working >> >> >>> computers scattered around the state. I think their biz model is >> to >> >> >>> give away a couple of gigabtyes of storage, get people hooked, >> and >> >> get >> >> >>> a few percent of their users (like me) to pay for more. >> >> >>> >> >> >>> Dropbox is wonderful. The future is access to your stuff >> anywhere, >> >> >>> anytime, on any device. >> >> >> >> >> >> Yes, persistent Internet threats (black hat hackers)love dropbox. >> It >> >> >> puts >> >> >> a big security hole in your system. >> >> >> >> >> > >> >> > >> >> > The worst they might do is read some files. A serious black hat >> isn't >> >> > going to be interested in my schematics and manuals and Spice files >> >> > and pictures of ski lifts. >> >> > >> >> > Dropbox doesn't seem to have had any security issues in the last >> >> > couple of years. Windows has had, what, hundreds? >> >> > >> >> > >> >> >> >> The worst they might do is take your designs and ideas and use them >> in >> >> China (PIT is a a euphemism for China state sponsored hackers). They >> may >> >> also backdoor your system so they always have access regardless of if >> >> you >> >> keep dropbox or not - and then you might find some defense >> contractors >> >> refusing to work with you because they have been waived off by the >> >> FBI/NSA. Last they might just destroy your harddisk data and >> structure >> >> as >> >> a standard response to a virus scanner. >> >> >> >> Dropbox unnecessarily increases the 'attack surface' and relies >> mostly >> >> on >> >> other people (who have more interesting things to do / check / hack) >> for >> >> its security. Simply to work dropbox must allow someone else remote >> >> access >> >> to your harddrive. >> > >> > no more than any webbrowser, computer asks dropbox for files >> > >> > >> > >> > -Lasse >> >> >> Ah, not up on the term 'attack surface'. Drop box adds an additional >> unnecessary source of security vulnerabilities for a hacker to exploit - >> hence a computer running drop box is a bigger target because the number >> of >> vulnerabilities has increased - hence 'attack surface'. Yes, perhaps it >> is >> in some ways similar to a web browser, but web browsers attract more >> attention from security experts and you normally don't have them >> auto-loading and running 24/7. > > not 24/7 only 99.9% of the time most PC are on .. > > and dropbox has the advantage that they don't have to protect against > attacks > from code run to display webpages from anyone of billions of webservers > > -Lasse
I hope you're just yanking my chain. You have to run a browser to use the Internet. You don't have to use drop box to share files.
On Fri, 08 May 2015 21:30:32 +1000, "David Eather" <eather@tpg.com.au>
wrote:

>On Fri, 08 May 2015 06:49:57 +1000, Lasse Langwadt Christensen ><langwadt@fonz.dk> wrote: > >> Den torsdag den 7. maj 2015 kl. 22.43.38 UTC+2 skrev David Eather: >>> On Thu, 07 May 2015 10:43:05 +1000, Lasse Langwadt Christensen >>> <langwadt@fonz.dk> wrote: >>> >>> > Den torsdag den 7. maj 2015 kl. 01.58.54 UTC+2 skrev David Eather: >>> >> On Wed, 06 May 2015 12:11:05 +1000, John Larkin >>> >> <jlarkin@highlandtechnology.com> wrote: >>> >> >>> >> > On Wed, 06 May 2015 07:40:38 +1000, "David Eather" >>> <eather@tpg.com.au> >>> >> > wrote: >>> >> > >>> >> >> On Wed, 06 May 2015 02:17:38 +1000, John Larkin >>> >> >> <jlarkin@highlandtechnology.com> wrote: >>> >> >> >>> >> >>> On Tue, 05 May 2015 08:05:52 -0700, RobertMacy >>> >> >>> <robert.a.macy@gmail.com> wrote: >>> >> >>> >>> >> >>>> On Tue, 05 May 2015 05:17:57 -0700, Phil Hobbs >>> <pcdhobbs@gmail.com> >>> >> >>>> wrote: >>> >> >>>> >>> >> >>>>> How about putting it on Dropbox or someplace like that? >>> >> >>>>> >>> >> >>>>> ABSE would work for many of us as well. >>> >> >>>>> >>> >> >>>>> Cheers >>> >> >>>>> >>> >> >>>>> Phil Hobbs >>> >> >>>> >>> >> >>>> Does nobody read?! I constantly complain about the 'toxicity' of >>> >> those >>> >> >>>> websites, Dropbox, etc. Dropbox and all those 'free' websites >>> sell >>> >> >>>> something to somebody ...else, Their customers are NOT the >>> users. >>> >> >>>> Those >>> >> >>>> websites start 'poking' around inside our PC's, causing hangs, >>> and >>> >> >>>> worst >>> >> >>>> of all, total crashes that require Power OFF reboots! And the >>> >> times I >>> >> >>>> sit >>> >> >>>> and wait and wait and they didn't crash us, they didn't even >>> give >>> >> me >>> >> >>>> access to what somebody dropped there. So, NO I now NEVER you >>> those >>> >> >>>> 'free' >>> >> >>>> websites. >>> >> >>> >>> >> >>> I'm not aware of any problems with Dropbox, except that it seems >>> to >>> >> >>> slow down my computers a bit, which is reasonable since it's >>> doing a >>> >> >>> lot of file transfers and checks and stuff. I no longer need to >>> >> carry >>> >> >>> memory sticks around, and have access to my stuff on my 4 working >>> >> >>> computers scattered around the state. I think their biz model is >>> to >>> >> >>> give away a couple of gigabtyes of storage, get people hooked, >>> and >>> >> get >>> >> >>> a few percent of their users (like me) to pay for more. >>> >> >>> >>> >> >>> Dropbox is wonderful. The future is access to your stuff >>> anywhere, >>> >> >>> anytime, on any device. >>> >> >> >>> >> >> Yes, persistent Internet threats (black hat hackers)love dropbox. >>> It >>> >> >> puts >>> >> >> a big security hole in your system. >>> >> >> >>> >> > >>> >> > >>> >> > The worst they might do is read some files. A serious black hat >>> isn't >>> >> > going to be interested in my schematics and manuals and Spice files >>> >> > and pictures of ski lifts. >>> >> > >>> >> > Dropbox doesn't seem to have had any security issues in the last >>> >> > couple of years. Windows has had, what, hundreds? >>> >> > >>> >> > >>> >> >>> >> The worst they might do is take your designs and ideas and use them >>> in >>> >> China (PIT is a a euphemism for China state sponsored hackers). They >>> may >>> >> also backdoor your system so they always have access regardless of if >>> >> you >>> >> keep dropbox or not - and then you might find some defense >>> contractors >>> >> refusing to work with you because they have been waived off by the >>> >> FBI/NSA. Last they might just destroy your harddisk data and >>> structure >>> >> as >>> >> a standard response to a virus scanner. >>> >> >>> >> Dropbox unnecessarily increases the 'attack surface' and relies >>> mostly >>> >> on >>> >> other people (who have more interesting things to do / check / hack) >>> for >>> >> its security. Simply to work dropbox must allow someone else remote >>> >> access >>> >> to your harddrive. >>> > >>> > no more than any webbrowser, computer asks dropbox for files >>> > >>> > >>> > >>> > -Lasse >>> >>> >>> Ah, not up on the term 'attack surface'. Drop box adds an additional >>> unnecessary source of security vulnerabilities for a hacker to exploit - >>> hence a computer running drop box is a bigger target because the number >>> of >>> vulnerabilities has increased - hence 'attack surface'. Yes, perhaps it >>> is >>> in some ways similar to a web browser, but web browsers attract more >>> attention from security experts and you normally don't have them >>> auto-loading and running 24/7. >> >> not 24/7 only 99.9% of the time most PC are on .. >> >> and dropbox has the advantage that they don't have to protect against >> attacks >> from code run to display webpages from anyone of billions of webservers >> >> -Lasse > >I hope you're just yanking my chain. > >You have to run a browser to use the Internet.
Huh? Aren't email and the Usenet part of the Internet? I certainly don't use a browser (at least no one calls it that) to access either.
>You don't have to use drop box to share files.