Groups > sci.electronics.design > #434101

Re: ping Win, SiC fets

From	John S <Sophi.2@invalid.org>
Newsgroups	sci.electronics.design
Subject	Re: ping Win, SiC fets
Date	2016-11-06 17:47 -0600
Organization	A noiseless patient Spider
Message-ID	<nvofds$ap3$1@dont-email.me> (permalink)
References	(5 earlier) <nve4800gli@drn.newsguy.com> <nvetrd$lfs$1@dont-email.me> <nvevq3$231$1@gioia.aioe.org> <nvf9gf$9up$2@dont-email.me> <nvfe8p$q04$1@gioia.aioe.org>

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On 11/3/2016 8:32 AM, Jeroen Belleman wrote:
> On 2016-11-03 13:11, John S wrote:
>> On 11/3/2016 4:25 AM, Jeroen Belleman wrote:
>>> On 2016-11-03 09:52, TTman wrote:
>>>> On 03/11/2016 01:34, Winfield Hill wrote:
>>>>> John Larkin wrote...
>>>>>>
>>>>>> I need 140 amps. 7KV into 50 ohms.
>>>>>
>>>>>  OK, John, if you're hoping for 10ns or
>>>>>  better, I suggest you forgattabout it.
>>>>>
>>>>>  BTW, lower-case k for 7kV.
>>>>>
>>>>>
>>>> Since when ? multipliers are upper case... dividers are lower case.
>>>
>>> Well, 'k' is an exception, as are 'h' and 'da'.
>>> Look up 'SI multiplier prefixes'.
>>>
>>> Why, oh why, don't we see calculators, spreadsheet programs,
>>> numerical programs, etc., etc., accept multiplier prefixes?
>>> Spice does it, although it *still* gets 'M' wrong. Gnuplot
>>> has some clumsy support for it too, but that's about all I
>>> know of.
>>>
>>> Jeroen Belleman
>>>
>>
>> If you are referring to LTSpice, I think it accepts Meg as a multiplier.
>> That may have something to do with how it discriminates milli from mega
>> disregarding single-letter capitalization. But I think it must be Meg
>> rather than meg.
>
> Spice doesn't care about letter case. Meg or meg will work for
> 1e6. Spice dates from the time that many computers didn't even
> have lower case. I'm old enough to remember that era. In this
> upgrade-crazy world, one would think this could have been fixed
> by now.
>
> LTspice buffs pay attention now: A capacitor marked 1F is *not*
> 1 farad. A quirk of the same sort to catch the unwary.
>
> Jeroen Belleman

Correct. However, a capacitor marked as just 1 is interpreted as 1 farad.

And Jim is correct about meg or Meg being an appropriate multiplier.

Thread

ping Win, SiC fets John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-02 15:17 -0700
  Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-02 15:36 -0700
    Re: ping Win, SiC fets John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-02 15:58 -0700
      Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-02 17:50 -0700
        Re: ping Win, SiC fets John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-02 18:02 -0700
          Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-02 18:34 -0700
            Re: ping Win, SiC fets TTman <pcw1.cad@ntlworld.com> - 2016-11-03 08:52 +0000
              Re: ping Win, SiC fets Martin Brown <|||newspam|||@nezumi.demon.co.uk> - 2016-11-03 09:24 +0000
              Re: ping Win, SiC fets Jeroen Belleman <jeroen@nospam.please> - 2016-11-03 10:25 +0100
                Re: ping Win, SiC fets John S <Sophi.2@invalid.org> - 2016-11-03 07:11 -0500
                Re: ping Win, SiC fets Jeroen Belleman <jeroen@nospam.please> - 2016-11-03 14:32 +0100
                Re: ping Win, SiC fets Jim Thompson <To-Email-Use-The-Envelope-Icon@On-My-Web-Site.com> - 2016-11-03 09:00 -0700
                Re: ping Win, SiC fets John S <Sophi.2@invalid.org> - 2016-11-06 17:47 -0600
              Re: ping Win, SiC fets Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-03 09:29 +0000
                Re: ping Win, SiC fets TTman <pcw1.cad@ntlworld.com> - 2016-11-03 11:43 +0000
                Re: ping Win, SiC fets Tom Gardner <spamjunk@blueyonder.co.uk> - 2016-11-03 12:16 +0000
              Re: ping Win, SiC fets upsidedown@downunder.com - 2016-11-03 18:56 +0200
            Re: ping Win, SiC fets John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-03 08:59 -0700
              Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-03 10:40 -0700
                Re: ping Win, SiC fets John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-03 11:02 -0700
                Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-03 11:29 -0700
  Re: ping Win, SiC fets dagmargoodboat@yahoo.com - 2016-11-02 15:42 -0700
    Re: ping Win, SiC fets John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-02 15:54 -0700
      Re: ping Win, SiC fets dagmargoodboat@yahoo.com - 2016-11-02 17:10 -0700
        Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-02 17:53 -0700
      Re: ping Win, SiC fets Winfield Hill <hill@rowland.harvard.edu> - 2016-11-02 17:54 -0700
        Re: ping Win, SiC fets Cursitor Doom <curd@notformail.com> - 2016-11-03 15:38 +0000
          triacs and electronics engineering Winfield Hill <hill@rowland.harvard.edu> - 2016-11-03 10:46 -0700
            Re: triacs and electronics engineering Gunther Heiko Hagen <guntherxxx@quantserve.de> - 2016-11-03 18:01 +0000
              Re: triacs and electronics engineering John Larkin <jjlarkin@highlandtechnology.com> - 2016-11-03 11:40 -0700
              Re: triacs and electronics engineering Jon Elson <jmelson@wustl.edu> - 2016-11-03 13:56 -0500

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