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Author: GiuenGiuen
Date: Sep 23, 2008 04:08
International Visual Art & Media - Advertisement Sales / Promotion /
PR Promos Arctic Extreme Sports - Board of Hollywood NetBookâ„¢.
Further Information:
We are aheding this produce Arctic Extreme
Sports for television broadcast, media, maps, sports products, and
promotion material since 2008-09-01 In Northern Lapland, Norway,
Finland and Sweden,
Market Beneficiaries:
ï‚· International Media & Marketing Policy
ï‚· Broadcasting to seventeen countries
ï‚· Brand Integration
ï‚· Corporate Profile
ï‚· Agency & Lobbying Network
ï‚· International, National, Regional & Local market-target
ï‚· Scientific Innovation Confidence
ï‚· Long-term Marketing
ï‚· Profile, Market Structure and Integration
ï‚· Advertisement
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Author: Comcast1952Comcast1952
Date: Sep 23, 2008 03:08
On Sep 14, 12:47Â pm, Jamie Morken wrote:
> Hi,
>
> This 100V n-channel mosfet:http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=IPP0...
>
> has a specified rise time about 3x slower than the fall time,
> (78ns rise time and 25ns fall time with 1.6ohm gate resistor)
>
> and this 75V n-channel mosfet:http://search.digikey.com/scripts/DkSearch/dksus.dll?Detail?name=IRFB...
>
> has a specified fall time about equal to the rise time.
> (87ns rise time and 95ns fall time with 2.1ohm gate resistor)
>
> What are some of the factors inside an n-mosfet that effect the mosfet
> rise/fall times? Â Or are these results just because of the test setup
> used? Â ie. perhaps schottkys parallel with the gate resistors were used
> in the case of fast fall times.
>
> Also for an H-bridge, can switching losses be minimized by taking these
> relative switching speeds into account? Â For example by putting ...
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Author: JosephKKJosephKK
Date: Sep 22, 2008 22:29
On Sun, 14 Sep 2008 14:45:50 -0700 (PDT), Efthimios
gmail.com> wrote:
>On Sep 14, 10:43Â pm, "christofire" btinternet.com> wrote:>> "Efthimios" gmail.com> wrote in message
>>
>> news:3e157a17-da30-44af-bd6b-7aac426d6c4e@m3g2000hsc.googlegroups...
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Author: JosephKKJosephKK
Date: Sep 22, 2008 21:24
On Sat, 13 Sep 2008 11:13:57 -0700, Jim Thompson
My-Web-Site.com> wrote:
>
>On Sat, 13 Sep 2008 10:55:48 -0700, Joerg
> removethispacbell.net> wrote:
>>>Jim Thompson wrote:
>>> On Sat, 13 Sep 2008 17:26:57 GMT, "screatta" wrote:
>>>
>>>> I have...
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Author: GregSGregS
Date: Sep 22, 2008 10:55
I was listening to someone at lunch mention bobsled. I go to to thinking where
this name orginated. I could not find anything on why this name orginated, then I began thinking
if this was the same sled Bob was pulling in Jingle Bells. ??
One thing we know for sure, Bob's bells were ringing.
greg
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Author: EeyoreEeyore
Date: Sep 22, 2008 10:36
Now, only a little while back I said I never breadboard, I go straight
to pcb.
This one's different though. The client wants to do the layout as part
of a larger scheme and I want to be double sure of stability in practice
as opposed to simulation because if he messes up, I can show mine
working fine.
As I'll be using a 65MHz ? op-amp I don't trust perfboard / Veroboard
for this.
I recall some self adhesive 'pre-etched shapes' that you could stick on
a ground plane. The name Wainwright comes to mind but google isn't
helping much.
Any suggestions ?
Graham
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25 Comments |
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