Driver to drive?

[Kris Krieger]

Joerg <notthisjoergsch@removethispacbell.net> wrote in
news:Iljwk.24920$N87.17333@nlpi068.nbdc.sbc.com:

Kris Krieger wrote:
Joerg <notthisjoergsch@removethispacbell.net> wrote in
news:eTgwk.40517$ZE5.18022@nlpi061.nbdc.sbc.com:

Kris Krieger wrote:
[snip]

Ah, OK. I was wondering, becasue I did DL a few free Spice programs
(you may recall that I'm a learner, and using the programs casually)
but I was wondering why I couldn't use models from one program in
other programs. It's probalbly just that I'm doing something wrong
and need to get more familiar with them.

Become familiar with one and stick to that. LTSpice is now my
favorite. My whole life I've only changed once, from a licensed PSpice
DOS-Version to the free LTSpice, mainly because of its nice graphics
rendering.


Good to know - LTSPice is one that I've settled on, because it seems to
be fairly intuitive, and everything displayed is very clear/crisp; the
other is CircuitMaker, tho' I've been leaning towards LTSpice. Good to
know that it's a decent choice. I realize it's not a good substitute
for the math, but I do think it's a good additional learning tool.

Thanks for the info!


For math I've never needed more than Excel or MS-Works. It can do really
complicated things once you've learnt how a formula is entered (that
tokk me a while).

I'm still at the stage where my little old solar calculator suffices But
it's interesting that Excel can be used as you describe; I'll have to keep
that in mind, since even my old (1997!) version of Excel does seem to be able
to handle some fairly complex formulae.

THanks again,

- Kris

 

[Kris Krieger]

HiggsField <higgdfield@whutthableapduyoukno.org> wrote in
news:mto3c4t7tlimc5bi32pfann6v9n684vq0s@4ax.com:

On Fri, 05 Sep 2008 13:45:58 -0500, Kris Krieger <me@dowmuff.in> wrote:

HiggsField <higgdfield@whutthableapduyoukno.org> wrote in
news:rrr1c41qsefb0tnmjn8supnut56bdi7ret@4ax.com:

On Thu, 04 Sep 2008 22:54:09 -0400, "Michael A. Terrell"
mike.terrell@earthlink.net> wrote:


Re-open the WPA, then put them to work filling potholes and
repairing
rusty bridges for $5 a week?


You want to trust the repair of our major thoroughfare's bridges to
camp convicts?


I think the OP meant "basic maintenence" rather than "repair". Painting
and filling potholes, for example, should be OK for tehm to do. I think
a lot of convicts would be able to do that work; actually, I think that,
if there were more emphasis on teaching them how to get, do, and keep a
job, the recidivism rate, esp. for non-violent convicts, would be much
lower.


It is a lot lower for non-violent "criminals".

It will never be lowered for violent offenders, and I feel that if a
retarded criminal bastard draws a gun or knife on someone, he should do
life without parole on a new devil's island, from which there is no
return to free soil. THEN we MIGHT deter the idiots that are out there
laughing at our justice system at present.

Well, I can't say I'm sure you're wrong, esp. re: gun crime (which ruins
things for us responsible gun owners) - there is no way that anyone who
goes out and obtains a gun, brings it to someplace where they are going to
commit a crime, and then pulls it and shoots people, can claim that they
"didn't know it was wrong" - the truth is that they just don't give a damn;
most just consider other people to be nothing more than "prey", although
that term gives far more nobility to their attitude than it deserves. Same
goes for most other violent crimes - I say "most" only because some people
are psychotic and don't know what they're doing, not to say they shouldn't
be incarcerated but treatment can help at least some of them.

But for people who've committed non-violent crime, esp. if it's out of a
desperation rooted in lack of education/knowledge, I think rehabilitation
would be a very positive thing.

 

[Kris Krieger]

mpm <mpmillard@aol.com> wrote in
news:fa586555-efaa-46eb-8f90-f3fcc7a80bd0@k13g2000hse.googlegroups.com:

On Sep 5, 6:05�pm, Richard The Dreaded Libertarian <n...@example.net
wrote:
On Fri, 05 Sep 2008 13:22:50 -0500, Kris Krieger wrote:

*Exactly!* �There is a *huge* differnce between being pro-choic
e, and being
"a baby killer" - just as there is a huge (but almsot never
discussed) difference between being anti-abortion, and pro-life.
�If peopl
e were
*treuly* pro LIFE, they would see to it that *all* children were
protec
ted
and nurtured *after* birth - *including* crack-addicted, and
otherwise
sick
or malformed, babies that 99.9999% of the time don't get adopted.

"Pro-Life" is one of the biggest lies there is - the only way to endow
a fetus with "rights" is to strip them away from its creator, the woman
who is assembling it in her uterus, out of her own molecules.

IOW, they talk about the "rights of the unborn" while trampling all
over the rights of the born.

I think that there should be some consideration of teh unborn - I despise
partial birth abortion, for example, *unless* it has a sound medical
rationale, becasue there is no way someone can be pregnant for that long
and ust up and decide, "To hell with this" - if they don't want the kid,
they can wait a couple more weeks and then give it up for adoption. I
also don't think that abortion is an ethical means of repeated birth
control - and yup, some women do have them over and over and over. IMO,
it's stupid, because it can be dangerous to the woman's health, but beyond
that, I am not convinced that it's "right".

The only question that needs to be asked on the
Anti-abortion/Pro-Choice question is, "Whose property are you"?

Do you own your own organs, or are they the property of the
bureaucracy, or, worst of all, the Pope?

I don't think it's that simple. I do think there are ethical questions
that go beyond that. Abortion is IMO not something that should be done
flippantly or lightly.

If government power doesn't stop at our skin, then pretty words like
"Freedom" and "Liberty" and "Self-determination" become nothing but
another pile of empty campaign buzzwords.

AND this is all notwithstanding the very glaring fact that
anti-choice-ism
is the practically exclusive purview of the Roman Catholic church,
making it a flagrantly unconstitional imposition of religion.

Thanks,
Rich

No, not just Catholicism - many (and I'd guess most) fundamentalist
CHristians, and quit epossibly other fundamentalist religions, have a
similar view.

THe thing is that religion, or especially spirital beelifs, do not in and
of themselves mean that an complete anti-choice position is inevitable -
it's just that it's the tenet of certain religiouns/religious sects.

Well, you left out the notion that frankly, we have much bigger issues
to deal with.
Like the Economy, Energy, Healthcare, Foreign Policy, etc....

That's true. And IMO, it's disgusting that they all too often take a back
seat to somethign that, quite frankly, completely irrelevant to National
affairs. Same with the Civil UNions 'debate' - we're talking, what, maybe
2% of the whole population, as though they can somehow bring down all of
Western civilization - sorry, ain't gonna ahppen. Pathetically, tho',
politicians have *forcibly* injected it into the debate because they know
that they can use the argument to sway a certain segment of the voting
population which prefers to swallow simple, easily-digested tidbits,
rather than try to think about complex national affairs.

By comparison, I could give a hoot if a few clumps of cells (which
might otherwise someday develop into a baby) are aborted. Though I
can't say with clarity at what point I start to get queasy i.e., late
term abortions, etc... But even then, let's fix the other stuff
first.

-mpm

Exactly. THere are far more important issues. Unfortunately, those tend
to get glossed over, abd replaced with snapy sound-bites.

 

[Kris Krieger]

JosephKK <quiettechblue@yahoo.com> wrote in
news:1ba5c4lggdp7u8kpk28apptdcudg03vf0o@4ax.com:

On Fri, 05 Sep 2008 22:19:25 GMT, Richard The Dreaded Libertarian
null@example.net> wrote:

On Fri, 05 Sep 2008 13:45:58 -0500, Kris Krieger wrote:
HiggsField <higgdfield@whutthableapduyoukno.org> wrote in
On Thu, 04 Sep 2008 22:54:09 -0400, "Michael A. Terrell"

Re-open the WPA, then put them to work filling potholes and
repairing
rusty bridges for $5 a week?

You want to trust the repair of our major thoroughfare's bridges to
camp convicts?

I think the OP meant "basic maintenence" rather than "repair".
Painting and filling potholes, for example, should be OK for tehm to
do. I think a lot of convicts would be able to do that work;
actually, I think that, if there were more emphasis on teaching them
how to get, do, and keep a job, the recidivism rate, esp. for
non-violent convicts, would be much lower.

No one who has done no violence should be in an iron cage in the first
place.

I cannot agree with you; people who commit purely financial crimes
that do more damage to more people than several lifetimes of strong
arm robberies deserve the worst punishments possible. Such as all the
recent nutters that produced the weird loans that nearly ruined the
real estate market.



Who can show me the clause in the Constitution that authorizes the
government to do violence to persons who have done no harm?

Thanks,
Rich

As JosephKK pointed out, just because an action does not involve physical
violence, that *in no way* means it deos not cause harm.

If the specific 'crime' that eas being referenced is something like having
some pot in one;s pocket, please specify. Otherwise, there are a hell of a
lot of types of crime and abuse that cause a *huge* amount of harm, but don't
involve physical violence.

 

[Kris Krieger]

Joerg <notthisjoergsch@removethispacbell.net> wrote in
news:qgywk.19281$LG4.9360@nlpi065.nbdc.sbc.com:

Kris Krieger wrote:
Joerg <notthisjoergsch@removethispacbell.net> wrote in
news:Iljwk.24920$N87.17333@nlpi068.nbdc.sbc.com:

Kris Krieger wrote:
Joerg <notthisjoergsch@removethispacbell.net> wrote in
news:eTgwk.40517$ZE5.18022@nlpi061.nbdc.sbc.com:

Kris Krieger wrote:
[snip]
Ah, OK. I was wondering, becasue I did DL a few free Spice
programs (you may recall that I'm a learner, and using the programs
casually) but I was wondering why I couldn't use models from one
program in other programs. It's probalbly just that I'm doing
something wrong and need to get more familiar with them.

Become familiar with one and stick to that. LTSpice is now my
favorite. My whole life I've only changed once, from a licensed
PSpice DOS-Version to the free LTSpice, mainly because of its nice
graphics rendering.

Good to know - LTSPice is one that I've settled on, because it seems
to be fairly intuitive, and everything displayed is very clear/crisp;
the other is CircuitMaker, tho' I've been leaning towards LTSpice.
Good to know that it's a decent choice. I realize it's not a good
substitute for the math, but I do think it's a good additional
learning tool.

Thanks for the info!

For math I've never needed more than Excel or MS-Works. It can do
really complicated things once you've learnt how a formula is entered
(that tokk me a while).


I'm still at the stage where my little old solar calculator suffices
But it's interesting that Excel can be used as you describe; I'll have
to keep that in mind, since even my old (1997!) version of Excel does
seem to be able to handle some fairly complex formulae.


Excel 97 is perfectly fine. Once you have entered a formula plus entry
fields you can use it over and over again. Very handy if you have to
play games such as "How can I achieve this cutoff frequency with the
catalog inductors and capacitors I've got?".

The next step would be a VBA interface to some USB measurement toy,
RS232, a meter, whatever. And yep, even old Eccel 97 has VBA built in.

Good idea! I've used it for spreadsheet calculations, but I hadn't thought
of entering other formulae that I use over. Esp. for the ones I don't use
frequently, which are harder to remember.

Clever - thanks

- Kris

 

[Robert]

"donald" <donald@notinmyinbox.com> wrote in message
news:4ZydnQZq7If2IV_VnZ2dnUVZ_jKdnZ2d@comcast.com...

Here's a real electric car company:

http://hybrids-plus.com/

I just woner by looking at the size of plug, what is the voltage requied

 

[Damon Hill]

Rich Grise <rich@example.net> wrote in
newsan.2008.09.06.19.20.40.51929@example.net:

Is this really possible with today's LED technology? Or would they
last about a month before the LEDs cook themselves?

That seems consistent with what my housemate paid for his; he
spent more on NiMH batteries and charger. The lighting is
usually operated in flash mode, which doesn't appear to have
shortened the life of the LEDs.

Both units are detachable (to prevent theft) and the headlight
makes for a pretty good flashlight.

--Damon

 

[Martin Riddle]

"Rich Grise" <rich@example.net> wrote in message newsan.2008.09.06.19.20.40.51929@example.net...
|I use my bike a lot and I'd be a lot more comfortable if it had lights
| instead of only reflectors. So I went on a google, and this is one hit:
| http://www.b2cshop24.com/en/19-led-4-mode-bike-bicycle-headlamp-torch-headlight-sil.html
|
| But, FIVE BUCKS? For a headlight? How would I find out if they're
| worthwhile, without plunking down the five plus S&H - and plus, just
| scroll down a little and the first one in the table includes a taillight,
| for THREE SEVENTY_NINE!!!!!?????!!!
|
| Is this really possible with today's LED technology? Or would they
| last about a month before the LEDs cook themselves?
|
| Thanks,
| Rich
|

Its a toy, You need something like this...
http://www.bikeparts.com/search_results.asp?ID=BPC307590

Cheers

 

[Martin Riddle]

"Dirk Bruere at NeoPax" <dirk.bruere@gmail.com> wrote in message news:6ig6mvFpo1nqU2@mid.individual.net...
| donald wrote:
| > Freelance Embedded Systems Engineer wrote:
| >> Rob Mitchell wrote:
| >>> A new American Made plug in electric car
| >>> http://www.fundable.com/groupactions/groupaction.2008-09-05.7581517191/groupaction_view
| >>>
| >>> Here is an opportunity to contribute to American independance from
| >>> foriegn oil. It's time American designed and built an all electric
| >>> vehicle that runs off of inexpensive American plug -in electric power.
| >>> You can show your support with a contribution as small as $10 dollars.
| >>> Become one of the first to support our future in a tangible way.
| >>
| >> Why would I contribute to anything that does not identify the people
| >> involved; or their concept or business plan; location; or issuing
| >> shares for that matter. Smells of a scam.
| >
| > Here's a real electric car company:
| >
| > http://hybrids-plus.com/
|
| Here's the real deal - 220 miles per charge
| http://www.teslamotors.com/
|
I really like this car, except for the $110k price tag

Cheers

 

[Hal Murray]

So started wondering.. .you know fuel costs kills many airlines these days...

Data from a recent flight from San Francisco to Chicago on a 767.
$24K for fuel
244 seats (close to full)

--
These are my opinions, not necessarily my employer's. I hate spam.

 

[David L. Jones]

"Rich Grise" <rich@example.net> wrote in message
newsan.2008.09.06.19.20.40.51929@example.net...

I use my bike a lot and I'd be a lot more comfortable if it had lights
instead of only reflectors. So I went on a google, and this is one hit:
http://www.b2cshop24.com/en/19-led-4-mode-bike-bicycle-headlamp-torch-headlight-sil.html

But, FIVE BUCKS? For a headlight? How would I find out if they're
worthwhile, without plunking down the five plus S&H - and plus, just
scroll down a little and the first one in the table includes a taillight,
for THREE SEVENTY_NINE!!!!!?????!!!

Is this really possible with today's LED technology? Or would they
last about a month before the LEDs cook themselves?

I can assure you that these lights are complete rubbish, it will barely
light the ground in front of you.
They are exactly the same as the headlamp version available 10-for-a-10
bucks.
You get what you pay for, it ain't even worth 5 bucks.
The LEDs are the lowest grade junk, and the output is hopeless. WAY less
than a single real Luxeon 1W led for example.
My Princeton Tec EOS headlamp with a single 1W Kingbright LED (also
available with bike mount) beats the pants of this rubbish - no comparison.

The plastic is brittle and cracks at the slighest bump, the thing will fall
apart in your hands before the LEDs fail or the crap contacts corrode.

I've got a Fenix L2D CREE torch with a bike mount:
https://www.fenix-store.com/product_info.php?cPath=22&products_id=335
https://www.fenix-store.com/product_info.php?cPath=27_38&products_id=388
I recon it's the cheapest way to get a HUGE light output for a bike, high
output purpose designed bike lights are very expensive. The light output
easily lights the road 20m in front of you.

Dave.

 

[David L. Jones]

"David L. Jones" <altzone@gmail.com> wrote in message
news:48c302fb$1@dnews.tpgi.com.au...

"Rich Grise" <rich@example.net> wrote in message
newsan.2008.09.06.19.20.40.51929@example.net...
I use my bike a lot and I'd be a lot more comfortable if it had lights
instead of only reflectors. So I went on a google, and this is one hit:
http://www.b2cshop24.com/en/19-led-4-mode-bike-bicycle-headlamp-torch-headlight-sil.html

But, FIVE BUCKS? For a headlight? How would I find out if they're
worthwhile, without plunking down the five plus S&H - and plus, just
scroll down a little and the first one in the table includes a taillight,
for THREE SEVENTY_NINE!!!!!?????!!!

Is this really possible with today's LED technology? Or would they
last about a month before the LEDs cook themselves?


I can assure you that these lights are complete rubbish, it will barely
light the ground in front of you.
They are exactly the same as the headlamp version available 10-for-a-10
bucks.
You get what you pay for, it ain't even worth 5 bucks.
The LEDs are the lowest grade junk, and the output is hopeless. WAY less
than a single real Luxeon 1W led for example.
My Princeton Tec EOS headlamp with a single 1W Kingbright LED (also
available with bike mount) beats the pants of this rubbish - no
comparison.

Forgot the link:
http://www.princetontec.com/products/index.php?id=37&type=&use=4

AAA battery capacity is fairly small though.

Dave.

 

[Kris Krieger]

mpm <mpmillard@aol.com> wrote in news:324a92a8-17c4-4442-a2a5-5c2cb9369ac2
@i76g2000hsf.googlegroups.com:

On Sep 6, 12:17�pm, Kris Krieger <m...@dowmuff.in> wrote:
[snip]

Is there a difference between a small Solar Panel, and an Encapsulated
Solar Cell...? �I'm looking for 10 Watts (either 9 V, or 2 X 4.5V
), and
have found both Panels and Excapsulated Cells, but I don't know the
difference between the two.

I want to fit it onto a surface that will be 6.5" square, so I'm sure tha
t
is large enough, but don't know the difference(s) between the two solar
part types. ďż˝

TIA for info!

- Kris- Hide quoted text -

- Show quoted text -

I seriously doubt you will find a 10W panel to fit such a small
physical space.
The BP SX-10 model measures almost 11" x 16", for example.

http://www.powerupco.com/panels/bp/BP-SX%2005_10.pdf

-mpm

I'm probably remembering something wrong, then...

But I'm still wondering what the difference is between a Solar Panel and an
encapsulated Solar Cell.

- Kris

 

[Kris Krieger]

HiggsField <higgdfield@whutthableapduyoukno.org> wrote in
news:rjn5c498s9dbgr751n29pcd4ob1tvg7jg4@4ax.com:

On Sat, 06 Sep 2008 11:46:27 -0500, Kris Krieger <me@dowmuff.in> wrote:

But for people who've committed non-violent crime, esp. if it's out of a
desperation rooted in lack of education/knowledge, I think rehabilitation
would be a very positive thing.


That's yet another bullshit excuse.

Do you remember the videos of the looters in La. during Katrina?

If ONE of those retarded bastards dropped out of school it does NOT
change even one iota, the fact that they should be SHOT DEAD as looters.

Let GOD sort out whether they deserve another chance. An asshole that
pulls a gun or knife to rob someone should get LIFE wo parole or DEATH.
NO EXCEPTIONS.

Gang sweeps of LA, Chicago, and Chinatown, SF should take place.

Fuck 'em. Fuck 'em ALL. There are plenty of folks that had it just as
hard, that did NOT compromise their honor to get a fucking meal, OR DVD
player.

You're talking about one specific action, and then drawing everything else
out from there.

And anyway, why would rehab and education duiring their incarceration be
*bad*? I never said anything that implied non-punishment - I ssaid taht
rehabilitation and education reduce recidivism. Why is it bad to reduce
repeat offenses? WHy is it better to jsut lock peole up, not do *any*
rehab/education, and then let them out after they've learned only how to be
even worse criminals? THat strikes me as being a lot like saying society
should just shoot itself in the foot. It's nto a matter of twarmfuzzy-
touchfeelie gody-gody blither - it's a amtter of practicality, in teh form of
reducing the numbers of repeat offenders.

Maybe you *want* people to offend repeatedly, but I don't think that's of any
help to the poeple vicitimized by the repeat crime. It makes mroe sense to
try to reduce repeat crime.

 

[Kris Krieger]

Hattori Hanzo <OutintheSnow@billsbackyard.org> wrote in
news:8qo3c4lotpv05bgi1f94lob0vbjfdk55b1@4ax.com:

On Fri, 05 Sep 2008 11:23:07 -0700, "Paul Hovnanian P.E."
paul@hovnanian.com> wrote:

Hattori Hanzo wrote:

On Thu, 04 Sep 2008 17:56:55 -0700, "Paul Hovnanian P.E."
paul@hovnanian.com> wrote:

John Larkin wrote:

On Wed, 3 Sep 2008 20:49:16 -0700, Industrial One
inudstrial_one@yahoo.com> wrote:

I think Condoleeza's got better booty but Sarah will def. get the
milf (gilf?) vote.

That was the best political speech I've ever heard. It was
brilliant.

John

I'm still waiting to hear what the McCain/Palin team plans to do if
elected.

Do? About what?

The economy. The war. The environment. The other war. Energy. The other,
other war (not yet announced, but coming Reel Soon Now).


You obviously do not know much about our goals.

If we do not put them down now, we will never be rid of them, and we
WILL be rid of them.

WHo is "our/us"?

I'm an independent - no party affiliation. I want to hear details. If
McCain/Palin say something that makes sense, I want to hear it. Jsut as I
want to hear the same from Obama/Biden. Or any other candidate.

It's called "analysing the information and making up one's own mind", as
opposed to merely regurgitating the sound bites put out by talking heads
and/or by people whose best 'arguement' is "only idiots disagree with me".

 

[Kris Krieger]

mpm <mpmillard@aol.com> wrote in news:324a92a8-17c4-4442-a2a5-5c2cb9369ac2
@i76g2000hsf.googlegroups.com:

On Sep 6, 12:17�pm, Kris Krieger <m...@dowmuff.in> wrote:
[snip]

Is there a difference between a small Solar Panel, and an Encapsulated
Solar Cell...? �I'm looking for 10 Watts (either 9 V, or 2 X 4.5V)
have found both Panels and Excapsulated Cells, but I don't know the
difference between the two.

I want to fit it onto a surface that will be 6.5" square, so I'm sure
it's large enough, but don't know the difference(s) between the two solar
part types.

TIA for info!

- Kris- Hide quoted text -

- Show quoted text -

I seriously doubt you will find a 10W panel to fit such a small
physical space.
The BP SX-10 model measures almost 11" x 16", for example.

http://www.powerupco.com/panels/bp/BP-SX%2005_10.pdf

-mpm

OK, I have to recheck then - I prob read some of the info wrong.

Meanwhile, thanks for the link -

- Kris

 

[Kris Krieger]

Dirk Bruere at NeoPax <dirk.bruere@gmail.com> wrote in
news:6ig6mvFpo1nqU2@mid.individual.net:

donald wrote:
Freelance Embedded Systems Engineer wrote:
Rob Mitchell wrote:
A new American Made plug in electric car
http://www.fundable.com/groupactions/groupaction.2008-09-05.7581517191
/groupaction_view

Here is an opportunity to contribute to American independance from
foriegn oil. It's time American designed and built an all electric
vehicle that runs off of inexpensive American plug -in electric
power. You can show your support with a contribution as small as $10
dollars. Become one of the first to support our future in a tangible
way.

Why would I contribute to anything that does not identify the people
involved; or their concept or business plan; location; or issuing
shares for that matter. Smells of a scam.

Here's a real electric car company:

http://hybrids-plus.com/

Here's the real deal - 220 miles per charge
http://www.teslamotors.com/

But don't those cost at least $US100,000...?

Not exactly feasible for the vast majority of drivers.

 

[Jim Yanik]

Damon Hill <damon1SIX1@comcast.netnet> wrote in
news:Xns9B1184A7466F3damon161attbicom@127.0.0.1:

Rich Grise <rich@example.net> wrote in
newsan.2008.09.06.19.20.40.51929@example.net:

Is this really possible with today's LED technology? Or would they
last about a month before the LEDs cook themselves?

That seems consistent with what my housemate paid for his; he
spent more on NiMH batteries and charger. The lighting is
usually operated in flash mode, which doesn't appear to have
shortened the life of the LEDs.

Both units are detachable (to prevent theft) and the headlight
makes for a pretty good flashlight.

--Damon

I use a 1W Luxeon 2 AA flashlight by Ray-o-Vac I got at Wal-Mart for
$18,use a couple of spring clamps to hold it to my handlebars.
It's also a nice flashlight for the home.

What I'd like is a pair of 1W LuxeonLEDs in a single housing and drive
current supplied by a couple of D cells/inverter.

--
Jim Yanik
jyanik
at
kua.net

 

[Hal Murray]

No, but I have seen too many BGA failures. Not in my designs because
(with one exception) I never used BGA.

Were those recent or back in the startup days?

I thought reliability was one of the reasons for shifting to BGAs.
Consider the alternatives if you have a lot of pins.

Would you please ask your assembly people what they think about BGAs.
I'd expect they work fine after they get the process debugged. There
are a lot of them in use these days.


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These are my opinions, not necessarily my employer's. I hate spam.

 

[Hal Murray]

I think I could program a BGA to inspect its own solder joints, by
measuring pin capacitance. Maybe I'll do that some day.

I think that would work for signal pins on an FPGA, maybe even
an ASIC if you had good JTAG.

I don't think it will work with power/ground pins. If, say, one
of many power pins doesn't connect the chip will probably work fine
in normal usage but might go flaky when adjacent pins are doing a lot
of I/O.

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