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Op amps problem Gain Calculation

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John Larkin
Guest

Tue Aug 25, 2009 1:27 am   



On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net>
wrote:

Quote:
On Sat, 22 Aug 2009 08:48:07 -0500, John Fields

BTW, how tall are you?

About 5'6".

5'7.5". Maybe hard to estimate from your extreme elevation.

I met John at one of those trade shows in LA, and got about
Quote:
a half-dozen of his refrigerator magnet logo thingies. Apparently I voided
the warranty when I stuck them to my file cabinet. Wink

Your file cabinet has a warranty?

Quote:

He's adorable, like a friendly leprechaun. :-)

His face wouldn't frighten children the way yours and mine do. ;-D

Kids and dogs and women seem to like me. I work at appearing
innocuous, to make a neutral first impression until I size up a
situation. That seems to work in most business situations.

John

John Fields
Guest

Tue Aug 25, 2009 11:20 am   



On Mon, 24 Aug 2009 10:50:44 -0700, John Larkin
<jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

Quote:
On Mon, 24 Aug 2009 12:07:43 -0500, John Fields
jfields_at_austininstruments.com> wrote:

On Sun, 23 Aug 2009 10:29:43 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:


Quote:
I love women, in all sorts of ways.

---
So say tou, and yet you try to use the image of them as being inferior
to further your own ends?

You're babbling again. I made no negative comments about women, and I
have no ends other than to share knowledge and amuse myself.

---
By casting aspersions on males and then equating those aspersions to
what you consider to be female "characteristics", you cast aspersions on
women just for being women. Can't you see that?

Probably not, since the "knowledge" you say you share is, more often
than not, banal and "Hey, look at me! Ain't I great???"
---

Quote:
I do think that barnyard roosters and hens are both silly animals, but
that you and JT act more like hens.

---
Well, if we _are_ like hens it's because we usually post our helpful
"eggs" without fanfare, while you strut around mostly crowing but doing
little else.

Your point here, with that "but" is that since you've assigned yourself
the role of banty rooster you get to rule the roost and write the rules
because the "hens" are inferior.

And why? Because they're female, of course.

JF

John Larkin
Guest

Tue Aug 25, 2009 1:49 pm   



On Tue, 25 Aug 2009 06:20:01 -0500, John Fields
<jfields_at_austininstruments.com> wrote:

Quote:
On Mon, 24 Aug 2009 10:50:44 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

On Mon, 24 Aug 2009 12:07:43 -0500, John Fields
jfields_at_austininstruments.com> wrote:

On Sun, 23 Aug 2009 10:29:43 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:


I love women, in all sorts of ways.

---
So say tou, and yet you try to use the image of them as being inferior
to further your own ends?

You're babbling again. I made no negative comments about women, and I
have no ends other than to share knowledge and amuse myself.

---
By casting aspersions on males and then equating those aspersions to
what you consider to be female "characteristics", you cast aspersions on
women just for being women. Can't you see that?

Geez, I hope you don't use that sort of logic when you design your 555
circuits.

I prefer broccoli to brussels sprouts, ice cream to tapioca,
picoseconds to milliseconds, women to men. Where are "aspersions" in
any of that? If I have maligned any food products or time units, it
wasn't intentional.

You didn't answer my question about if you actually like women. If you
prefer men, go for it.

John

Mike Blake
Guest

Tue Aug 25, 2009 2:15 pm   



Beats me.

When you learn how to use paragraphs and sentences I might read your obsessive stuff but at the moment it's just the usual loonie rant.

Rheilly P
"Robert Bates" <r.c.bates_at_btinternet.com> wrote in message news:dZ-dnaDfhoX4Ug7XnZ2dnUVZ8s4AAAAA_at_bt.com...
CHILD ABUSE OF A FOUR YEAR OLD To begin with I am tired of holding this secret so those that are guilty will benefit from my silence. This is not an attempt at harrassment or slander of any person. The Australian police have already attempted to silence me, GO TO HELL !!! This is a factual account experienced by me of allegations made by my son James Bates against Mr Ronald Armstrong, father of Tanya Armstrong ( now Bates). Paul Armstrong, Simon Armstrong. He was to my knowledge married to Louise Armstrong. They were residents of the state of Victoria, Australia. More specifically the Mornington Penninsula, Rosebud. While a minor my son James Bates accused Ronald Armstrong of sexually assaulting him at the age of four. He was penetrated anally. As his legal guardian and the parent who had contact with the police to give consent for the investigation to go ahead, I have first hand knowledge of these allegations. James is now eighteen years old and can still remember what happened to him vividly. My ex wife Tanya Bates told me that she had been sexually abused by her father from the age of nine to nineteen. In full knowledge of what her father did to her she allowed my children James Bates, Samantha Bates, Nickolas Bates to spend time around this man. I have first hand knowledge of this as I am an eye witness to these events. As conveyed to me by the police child protection team in Lowestoft, after the investigation Mr Ronald Armstrong was sent to prison for the abuse of my ex wife but he denied the abuse of my son. I as the father of Samantha and Nickolas Bates have repeatedly been denied access to my children in Australia because my ex wife knows very well I will tell the children the truth. Late last year , 2009, I attempted to contact my children in Australia only to be told in the first phone call by my ex wife that my daughter Samantha had been abused by her ex partner Darren who was an alcoholic. I attempted to get the information out of my daughter via MSN messenger but she would not say as she had discussed things with her mother and for brodies sake, the son of the alcoholic, that they should keep things quiet. After finding this out I wrote some abusive emails to her and have been telling her friends about the abuse of my eldest son. Through interpol the Australian Police have attempted to have me charged with harrassment. I signed an unofficial warning in the Suffolk policemans notebook. The police in the UK know very well what is going on and I was treated very leniently. Hearing that your second eldest child has been abused as well would make any parent go insane. To be honest I hope that abuse victims throughout the world read this. Yes, my ex wife was abused by her father but it does not give her the moral right to abuse my children. Her father was abused as well and he is in prison. Why wasn't my ex wife charged with child neglect for knowingly allowing my children to be around a known peadophile ?

Rich Grise
Guest

Tue Aug 25, 2009 9:14 pm   



On Mon, 24 Aug 2009 18:27:25 -0700, John Larkin wrote:
Quote:
On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net

a half-dozen of his refrigerator magnet logo thingies. Apparently I
voided the warranty when I stuck them to my file cabinet. ;-)

Your file cabinet has a warranty?

Boy, you don't remember stuff too good, do you? Wink I took a picture of
them stuck to my file cabinet, posted it on a.b.s.e, and you said that
I'd voided the warranty. I asked, "What, by not cutting them in two?"
because you had mentioned being able to separate the saying from the
logo and address & stuff. You said, with much indignation, "They're
_REFRIGERATOR_ magnets!" (I don't remember the exact level of emphasis,
but it _was_ emphasized! Wink )

I can't quote chapter and verse, because google doesn't archive alt.,
which I don't get any more anyway. )-;

;-)
Rich

John Fields
Guest

Tue Aug 25, 2009 9:26 pm   



On Tue, 25 Aug 2009 06:49:15 -0700, John Larkin
<jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

Quote:
On Tue, 25 Aug 2009 06:20:01 -0500, John Fields
jfields_at_austininstruments.com> wrote:

On Mon, 24 Aug 2009 10:50:44 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

On Mon, 24 Aug 2009 12:07:43 -0500, John Fields
jfields_at_austininstruments.com> wrote:

On Sun, 23 Aug 2009 10:29:43 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:


I love women, in all sorts of ways.

---
So say tou, and yet you try to use the image of them as being inferior
to further your own ends?

You're babbling again. I made no negative comments about women, and I
have no ends other than to share knowledge and amuse myself.

---
By casting aspersions on males and then equating those aspersions to
what you consider to be female "characteristics", you cast aspersions on
women just for being women. Can't you see that?

Geez, I hope you don't use that sort of logic when you design your 555
circuits.

---
Now Bill...

So you _can't_ see it. Figures...
---

Quote:
I prefer broccoli to brussels sprouts, ice cream to tapioca,
picoseconds to milliseconds, women to men. Where are "aspersions" in
any of that? If I have maligned any food products or time units, it
wasn't intentional.

---
More of the "Larkin shuffle", huh?

Somewhat entertaining in an annoying sort of way...
---

Quote:
You didn't answer my question about if you actually like women.

---
Show me where it says I have to answer any of your questions, OK?
---

Quote:
If you prefer men, go for it.

---
If I did, I would, and I certainly wouldn't need permission from you.

Well, I've had about enough of this fol-de-rol; I made my point and you
proved it, so I'll take my leave.

JF

John Larkin
Guest

Tue Aug 25, 2009 10:58 pm   



On Tue, 25 Aug 2009 21:14:20 GMT, Rich Grise <richgrise_at_example.net>
wrote:

Quote:
On Mon, 24 Aug 2009 18:27:25 -0700, John Larkin wrote:
On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net

a half-dozen of his refrigerator magnet logo thingies. Apparently I
voided the warranty when I stuck them to my file cabinet. ;-)

Your file cabinet has a warranty?

Boy, you don't remember stuff too good, do you? Wink

A brain is like a file cabinet: it can only hold so much, so file the
important stuff and recycle the rest.

John

John Larkin
Guest

Wed Aug 26, 2009 1:32 am   



On Tue, 25 Aug 2009 16:26:53 -0500, John Fields
<jfields_at_austininstruments.com> wrote:


Quote:

You didn't answer my question about if you actually like women.

---
Show me where it says I have to answer any of your questions, OK?

But you just did.

John

JosephKK
Guest

Wed Aug 26, 2009 2:03 am   



On Fri, 21 Aug 2009 22:12:13 -0500, "Martin H. Eastburn"
<lionslair_at_consolidated.net> wrote:

Quote:
They were whisker types - not PN junctions.
Ge had most - as it was high frequency and Si wasn't.

Yes there were PN diodes but mostly whisker - in the late 50's.
Limited use and not for high rel at all.

Consider the 3 transistor radio - bound to have something in it.
Martin

I brought an error very like that around here a while back. I had to
eat it. Search for it.

Quote:

John Larkin wrote:
On Thu, 20 Aug 2009 22:07:46 -0500, "Martin H. Eastburn"
lionslair_at_consolidated.net> wrote:

First, Si diodes were not used in WW II. The PN SI diode wasn't invented yet.

Nearly all the radar first mixer diodes were silicon point-contact
types, essentially silicon schottky diodes.

See the MIT Rad Lab book, volume 15, "Crystal Rectifiers" for a bunch
of WWII (and pre-war) stuff about diode development. This is from that
book:

ftp://jjlarkin.lmi.net/RadDiode2.JPG

ftp://jjlarkin.lmi.net/RadLabDiodes.JPG


Selenium wafers and sticks were the power types
and point or whisker diodes for RF. [ I have some of these in lead cans ]

In the 60's it was still that way.

Funny, I recall using lots of silicon PN diodes (and SCRs, and
transistors, and tunnel diodes) in the early 1960's. Tek was using
GaAs diodes in their sampling scopes ca 1964.

Silicon diodes were developed by bell labs for internal telephone use
but semiconductor had to be invented first.

No. See the RadLab book.

Look at the date of the transistor. Silicon diode and Germanium diode.

I know Radar in B52's were using Selenium and Germanium for RF.

Selenium was never used in RF or radar, except maybe power supplies.
Far too slow.

John


John Fields
Guest

Wed Aug 26, 2009 2:48 pm   



On Tue, 25 Aug 2009 18:32:44 -0700, John Larkin
<jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

Quote:
On Tue, 25 Aug 2009 16:26:53 -0500, John Fields
jfields_at_austininstruments.com> wrote:



You didn't answer my question about if you actually like women.

---
Show me where it says I have to answer any of your questions, OK?

But you just did.

---
Geez, no wonder you're having trouble finding a divide-by circuit.

I commented on your _statement_ by asking a question.

JF

Rich Grise
Guest

Wed Aug 26, 2009 8:14 pm   



On Tue, 25 Aug 2009 15:58:46 -0700, John Larkin wrote:
Quote:
On Tue, 25 Aug 2009 21:14:20 GMT, Rich Grise <richgrise_at_example.net
On Mon, 24 Aug 2009 18:27:25 -0700, John Larkin wrote:
On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net

a half-dozen of his refrigerator magnet logo thingies. Apparently I
voided the warranty when I stuck them to my file cabinet. ;-)

Your file cabinet has a warranty?

Boy, you don't remember stuff too good, do you? ;-)

A brain is like a file cabinet: it can only hold so much,

My brain would beg to differ here. I remember _everything_, unless
I'm in a blackout drunk state, which I don't do very much any more.

And I'd claim that there's no theoretical limit, since "memories" and
stuff aren't held in some finite file cabinet-thing, but are stored in
patterns of synapses; you don't grow any new neurons, but there's no
known limit to the number of synapses you can grow - oh, yeah - we make
new synapses everything something makes an impact on us - I think the
expression of emotion releases hormones or enzymes or something that
stimulate synapse growth.

Ever notice that you remember stuff that was a big deal at the time, but
not mundane stuff, like what you had for lunch last week? :-)

You remember your downhill run - do you remember the T-bar ride just
before it? ;-)

Cheers!
Rich

John Larkin
Guest

Wed Aug 26, 2009 8:55 pm   



On Wed, 26 Aug 2009 20:14:32 GMT, Rich Grise <richgrise_at_example.net>
wrote:

Quote:
On Tue, 25 Aug 2009 15:58:46 -0700, John Larkin wrote:
On Tue, 25 Aug 2009 21:14:20 GMT, Rich Grise <richgrise_at_example.net
On Mon, 24 Aug 2009 18:27:25 -0700, John Larkin wrote:
On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net

a half-dozen of his refrigerator magnet logo thingies. Apparently I
voided the warranty when I stuck them to my file cabinet. ;-)

Your file cabinet has a warranty?

Boy, you don't remember stuff too good, do you? ;-)

A brain is like a file cabinet: it can only hold so much,

My brain would beg to differ here. I remember _everything_, unless
I'm in a blackout drunk state, which I don't do very much any more.

And I'd claim that there's no theoretical limit, since "memories" and
stuff aren't held in some finite file cabinet-thing, but are stored in
patterns of synapses; you don't grow any new neurons, but there's no
known limit to the number of synapses you can grow - oh, yeah - we make
new synapses everything something makes an impact on us - I think the
expression of emotion releases hormones or enzymes or something that
stimulate synapse growth.

Ever notice that you remember stuff that was a big deal at the time, but
not mundane stuff, like what you had for lunch last week? :-)

You remember your downhill run - do you remember the T-bar ride just
before it? ;-)

Cheers!
Rich


I read about some people who remember everything. It's more a curse
than a blessing. One guy says that the slightest input - a name, a
sound, a number - unleashes a flood of memories that can be
overwhelming.

There are lots of things better off forgotten.

John

JosephKK
Guest

Thu Aug 27, 2009 12:19 pm   



On Tue, 25 Aug 2009 21:14:20 GMT, Rich Grise <richgrise_at_example.net>
wrote:

Quote:
On Mon, 24 Aug 2009 18:27:25 -0700, John Larkin wrote:
On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net

a half-dozen of his refrigerator magnet logo thingies. Apparently I
voided the warranty when I stuck them to my file cabinet. ;-)

Your file cabinet has a warranty?

Boy, you don't remember stuff too good, do you? Wink I took a picture of
them stuck to my file cabinet, posted it on a.b.s.e, and you said that
I'd voided the warranty. I asked, "What, by not cutting them in two?"
because you had mentioned being able to separate the saying from the
logo and address & stuff. You said, with much indignation, "They're
_REFRIGERATOR_ magnets!" (I don't remember the exact level of emphasis,
but it _was_ emphasized! Wink )

I can't quote chapter and verse, because google doesn't archive alt.,
which I don't get any more anyway. )-;

;-)
Rich

You might try Internet replayer, it archives some of a.b.s.e.

John Fields
Guest

Tue Sep 01, 2009 1:32 am   



On Wed, 26 Aug 2009 13:55:29 -0700, John Larkin
<jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

Quote:
On Wed, 26 Aug 2009 20:14:32 GMT, Rich Grise <richgrise_at_example.net
wrote:

On Tue, 25 Aug 2009 15:58:46 -0700, John Larkin wrote:
On Tue, 25 Aug 2009 21:14:20 GMT, Rich Grise <richgrise_at_example.net
On Mon, 24 Aug 2009 18:27:25 -0700, John Larkin wrote:
On Mon, 24 Aug 2009 16:26:25 GMT, Rich Grise <richgrise_at_example.net

a half-dozen of his refrigerator magnet logo thingies. Apparently I
voided the warranty when I stuck them to my file cabinet. ;-)

Your file cabinet has a warranty?

Boy, you don't remember stuff too good, do you? ;-)

A brain is like a file cabinet: it can only hold so much,

My brain would beg to differ here. I remember _everything_, unless
I'm in a blackout drunk state, which I don't do very much any more.

And I'd claim that there's no theoretical limit, since "memories" and
stuff aren't held in some finite file cabinet-thing, but are stored in
patterns of synapses; you don't grow any new neurons, but there's no
known limit to the number of synapses you can grow - oh, yeah - we make
new synapses everything something makes an impact on us - I think the
expression of emotion releases hormones or enzymes or something that
stimulate synapse growth.

Ever notice that you remember stuff that was a big deal at the time, but
not mundane stuff, like what you had for lunch last week? :-)

You remember your downhill run - do you remember the T-bar ride just
before it? ;-)

Cheers!
Rich


I read about some people who remember everything. It's more a curse
than a blessing.

---
Unless you have memories of actions which you'd like to forget, why
would you say that?
---

Quote:
One guy says that the slightest input - a name, a
sound, a number - unleashes a flood of memories that can be
overwhelming.

---
And that's bad?

Why?
---

Quote:
There are lots of things better off forgotten.

---
Like history, so you can make the same old mistakes over and over and
over again?

Why is that better?

John Fields
Guest

Tue Sep 01, 2009 2:03 am   



On Tue, 25 Aug 2009 06:49:15 -0700, John Larkin
<jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

Quote:
On Tue, 25 Aug 2009 06:20:01 -0500, John Fields
jfields_at_austininstruments.com> wrote:

On Mon, 24 Aug 2009 10:50:44 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:

On Mon, 24 Aug 2009 12:07:43 -0500, John Fields
jfields_at_austininstruments.com> wrote:

On Sun, 23 Aug 2009 10:29:43 -0700, John Larkin
jjlarkin_at_highNOTlandTHIStechnologyPART.com> wrote:


I love women, in all sorts of ways.

---
So say tou, and yet you try to use the image of them as being inferior
to further your own ends?

You're babbling again. I made no negative comments about women, and I
have no ends other than to share knowledge and amuse myself.

---
By casting aspersions on males and then equating those aspersions to
what you consider to be female "characteristics", you cast aspersions on
women just for being women. Can't you see that?

Geez, I hope you don't use that sort of logic when you design your 555
circuits.

I prefer broccoli to brussels sprouts, ice cream to tapioca,
picoseconds to milliseconds, women to men. Where are "aspersions" in
any of that? If I have maligned any food products or time units, it
wasn't intentional.

You didn't answer my question about if you actually like women. If you
prefer men, go for it.

Oops, you're right about my answering your question; mea culpa.

But, From my earlier posts I thought it should have been obvious that my
choice of sexual partners would exclude men.

YMMV.
JF

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