Re: How inaccurate is a 555 or 7555 REALLY?

On 8 Dec 2006 14:38:51 -0800, bill.sloman@xxxxxxxx wrote:


John Fields wrote:
On 5 Dec 2006 16:48:12 -0800, bill.sloman@xxxxxxxx wrote:


John Fields wrote:
On 4 Dec 2006 17:19:45 -0800, bill.sloman@xxxxxxxx wrote:


John Fields wrote:
On 3 Dec 2006 15:10:27 -0800, bill.sloman@xxxxxxxx wrote:

My own idea of my
attitude on this news group is "polite until provoked"

---
Which generally manifests itself as provocation = disagreement.
---

but John Larkin
does keep on finding insults in my posts that I could have sworn
weren't there when I composed them (and don't look much like insults to
me when I reread them).

---
Which is about the double standard you exact. If, in fact, your
posts are made without rancor, which is ridiculous on its face, you
insist that what must then be "carelessness" on your part be not
interpreted as insult, but that infinite care be taken with
correspondence directed to you in order that you not interpret it as
insult.
---

Of course, if you could find an example where I was unreasonably easily
provoked, or "accidentally" produced a grievous insult, you'd quote it,
thus converting a pointless troll into something worth reading.

---
Just because I can't be bothered to slog through the morass of your
posting history in order to find an example of your nasty attitude
certainly doesn't mean there aren't thousands of examples out there.
---

Your search skills aren't exactly impressive, but the intelligent
reader will still conclude that there are many fewer than thousands of
examples out there, with the likeliest number being zero. Since I seem
only to have cranked out 6520 postings over the past ten years, there
is an upper limit to the examples that you could find.

---
With a total of 6520 posts under your belt, I'd be willing to bet
that at least one third of them contain slurs of one kind or
another, consciously or unconsciously made since you just can't seem
to help yourself.
---

So quote a few. With 2173 to chose from, even you should be able to
come up with a few examples.

---
Nope. I'm the one willing to bet, so you're the one that has to
prove me wrong.

So, show me 4347 posts that don't contain some vitriol.
---

I'm working on a project right now where I'm using an MC68HC908JL8.
And you?

The MC68HC908 is the 2002 version of Motorola's 8-bit microcontroller,
going back back via the 6805 to the original 6800 from 1975. RISC and
DSP seem to have passed you by.

---
??? What is it that makes you think "right now" means the same as
"yesterday"?
---

I don't. I simply haven't seen much about RISC or DSP parts in the
stuff you post,or anythihg about programmable logic, for that matter.

---
That's because I choose not to use it.

What you've seen me post is circuits that are appropriate for USENET
querants who want something simple they can build themselves and
have a fair chance of getting them to work. That doesn't include
DSP, PLD, or RISC because that's not what they want.
---

Still hanging on to that pig-ignorant belief that a 555 is a "bad"
chip which no one should use because you won't? Even when it's the
perfect candidate for the job?

It isn't a "bad" chip, but very rarely an acceptable candidate for any
job in serious electronics these days.

---
LOL, what would _you_ know about serious electronics?

Quite a lot. Try doing the system design for an electron beam
microfabricator sometime,

---
I'll see your electron beam microfabricator and raise you the system
_and_ circuit design for an interferometer driven laser
photolithographic pattern generator.
---

or a stroboscopic electron microscope.

---
That doesn't sound like such a big deal. What? a couple of
detectors instead of just one, maybe two beams?
Steering magnetics? Duck soup!
---

Not a place for a 555-addict.

---
You sure do seem to harp a lot on that anti-555 crap.

Too bad you were never successful in using it in any of your
designs, (even though it's very easy to use) since if you had been
you might actually appreciate Camendzind's genius. If nothing else,
I think the use of the ratiometric voltage divider in order to
largely eliminate variations in output timing WRT supply voltage and
temperature variations was brilliant, as was the window detector
placed at the 1/3Vcc and 2/3Vcc taps of the divider.

YMMV, but I think you kind of begrudge him his success because you
think you're ever so much smarter than he is and yet...


--
JF
.

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