On Tuesday 03 April 2007 02:41, Ramakrishnan Muthukrishnan
wrote:
> On 4/3/07, al davis <[EMAIL PROTECTED]> wrote:
> > If you look at the designs of older ones, you will see that
> > they did it with 2 or 3 tubes. The basic design can be
> > updated to use today's components, with significantly
On 4/3/07, al davis <[EMAIL PROTECTED]> wrote:
If you look at the designs of older ones, you will see that they
did it with 2 or 3 tubes. The basic design can be updated to
use today's components, with significantly improved
performance.
Wes Hayward's book EMRFD has some designs.
Another o
On Monday 02 April 2007 16:42, Patrick Doyle wrote:
> Please forgive my ignorance, but how would I know if I can
> use the native models or not? Similarly, when would I decide
> that I wanted BSIM models?
Here's a simpler answer: If the native models work, use them.
___
On Tuesday 03 April 2007 02:05, Ramakrishnan Muthukrishnan
wrote:
> On 3/31/07, al davis <[EMAIL PROTECTED]> wrote:
> > How about lab test equipment. There is a real need for
> > simple stuff that is too simple to market at the high
> > prices the big instrument companies need to charge. The
> >
On 3/31/07, al davis <[EMAIL PROTECTED]> wrote:
How about lab test equipment. There is a real need for simple
stuff that is too simple to market at the high prices the big
instrument companies need to charge. The kind of equipment you
need in a home lab. Like Heathkit used to make.
One thin
On Monday 02 April 2007 14:17, DJ Delorie wrote:
> They (either bsd or ucb) retroactively re-licensed everything
> to remove the advertising clause, making it GPL-compatible.
> See if it covers ngspice.
The real problem with ng-spice is that they have collected stuff
from a variety of sources wi
On Monday 02 April 2007 21:54, Patrick Doyle wrote:
> OK, now that I have the slightest inkling of an idea of what
> I'm doing, I thought I would ask for some direction...
>
> I want to model a fairly simple circuit consisting of a
> handful of R's and C's, a transistor, a diode, a couple of
> micr
On Apr 2, 2007, at 8:26 PM, Ales Hvezda wrote:
[snip]
There is yet another page-navigation metaphor available to us.. the
tabbed notebook, but to do this properly (as I discovered over the
summer), requires major data-structure changes.
H... Here's something I hacked up a few nights ago
On Monday 02 April 2007 16:42, Patrick Doyle wrote:
> Please forgive my ignorance, but how would I know if I can
> use the native models or not? Similarly, when would I decide
> that I wanted BSIM models?
It depends what the fab gives you. Your circuit is a simple BJT
circuit. There are some p
[snip]
>> I've worked out all the details yet (read: hardly fully functional),
>> but the implementation looks fairly straightforward. The question is,
>> are the tabs really that useful since they do sorta clutter things up.
>
> Hey, I have to say, that's pretty darned cool. I'd say it'd be
> I've worked out all the details yet (read: hardly fully functional),
> but the implementation looks fairly straightforward. The question is,
> are the tabs really that useful since they do sorta clutter things up.
Put the tabs in the toolbar?
___
g
On Apr 2, 2007, at 11:26 PM, Ales Hvezda wrote:
There is yet another page-navigation metaphor available to us.. the
tabbed notebook, but to do this properly (as I discovered over the
summer), requires major data-structure changes.
H... Here's something I hacked up a few nights ago:
http://
[snip]
> There is yet another page-navigation metaphor available to us.. the
> tabbed notebook, but to do this properly (as I discovered over the
> summer), requires major data-structure changes.
>
H... Here's something I hacked up a few nights ago:
http://geda.seul.org/misc/gschem-tabs.png
> Since it is LISP-ish it seems closest to a common file format language with
> gschem, which uses guile. Are there rumors of
> planning to stop using guile?
>
For the current gEDA/gaf: no.
-Ales
___
geda-user mailing list
geda-user@moria.seul.o
OK, now that I have the slightest inkling of an idea of what I'm
doing, I thought I would ask for some direction...
I want to model a fairly simple circuit consisting of a handful of R's
and C's, a transistor, a diode, a couple of microphones (which I'm
planning on modeling as current sinks), and
Steven Michalske wrote:
What rake angle are they applied?
err... u... it's hand-held, so I'd have to say "variable"
-dave
Steve
On Apr 2, 2007, at 2:52 PM, Dave N6NZ wrote:
professional hand-use sqeegees are very thin, very flexible stainless.
My expensive sqeegee is much less stiff
William,
Lines don't convey electrical connectivity, they are graphical elements.
You need to add nets for electrical connectivity.
When you draw nets, they will automatically connect the endpoints for
you.
The N key will put you into net drawing mode.
Steve
On Apr 2, 2007, at 4:22 PM, w
What rake angle are they applied?
Steve
On Apr 2, 2007, at 2:52 PM, Dave N6NZ wrote:
professional hand-use sqeegees are very thin, very flexible
stainless. My expensive sqeegee is much less stiff than any of my
thin putty knives. ***much*** less stiff than a mason's trowel.
Steven Micha
> OK, next stupid question, How do I add a 'dot'? Is this just a small circle?
When you're drawing a net, just click on the other net on your way by.
gschem adds the dot automatically; it's not a separate object you have
to add.
___
geda-user mailin
OK, next stupid question, How do I add a 'dot'? Is this just a small circle?
--
William Estrada
[EMAIL PROTECTED]
Mt-Umunhum-Wireless.net ( 64.124.13.3 )
Message: 10
Date: Mon, 2 Apr 2007 17:25:12 -0400
From: DJ Delorie <[EMAIL PROTECTED]>
Subject: Re: gEDA-user: 4-bit_12-LED.png (PNG Image,
Dear Wojciech,
Thank you very much for the info.
Levente
--
Levente
http://web.interware.hu/lekovacs
___
geda-user mailing list
geda-user@moria.seul.org
http://www.seul.org/cgi-bin/mailman/listinfo/geda-user
professional hand-use sqeegees are very thin, very flexible stainless.
My expensive sqeegee is much less stiff than any of my thin putty
knives. ***much*** less stiff than a mason's trowel.
Steven Michalske wrote:
Run up to your local hardware store, pick your self up a stiff trowel
for tile
On Mon, 02 Apr 2007 15:03:08 -0700
william estrada <[EMAIL PROTECTED]> wrote:
>I have made my first drawing using gEDA. I have some questions about
> using gEDA. In the drawing I used an 'arc' to jump over one of the
> 'traces'. Is the a better way to show that lines are not connected?
By
Hi,
From your picture it looks like you have used lines to connect your
components. You need to use nets, put the mouse cursor over one of the red
dots on the ends of the pins, and hit 'n'. Draw the nets between the pins like
this to make electrical connections.
When two nets cross with
The rule is: Lines that cross without a dot are not connected. Lines
that cross with a dot are connected. No arcs are required.
A three-way connection is, obviously, connected.
Note: avoid connecting more than one net at the end of a pin; whether
you get a dot or not - and whether there's a co
Hi guys,
I have made my first drawing using gEDA. I have some questions about
using gEDA. In the drawing I used an 'arc' to jump over one of the
'traces'. Is the a better way to show that lines are not connected?
http://64.124.13.3/PIC_Projects/4-bit_12-LED.png
--
William Estrada
[EMAIL PR
Run up to your local hardware store, pick your self up a stiff
trowel for tiles, its used to put down the adhesive/thinset
They are nice and stiff and have a good handle.
On Apr 2, 2007, at 11:57 AM, John Griessen wrote:
Dave N6NZ wrote:
Yes, some of them look a little odd. But... the titl
On 4/2/07, al davis <[EMAIL PROTECTED]> wrote:
On Monday 02 April 2007 16:08, Patrick Doyle wrote:
> >From you comment, it sounds as if I may not have needed to
> > compile the
>
> ngspice17-modles, and perhaps I could have loaded my spice
> netlists directly. (They are extremly simple at the pre
On Monday 02 April 2007 16:08, Patrick Doyle wrote:
> >From you comment, it sounds as if I may not have needed to
> > compile the
>
> ngspice17-modles, and perhaps I could have loaded my spice
> netlists directly. (They are extremly simple at the present
> time, consisting of an independent voltag
On 4/2/07, al davis <[EMAIL PROTECTED]> wrote:
On Monday 02 April 2007 15:47, Patrick Doyle wrote:
> $ gnucap try1.cir
>
> I get messages that look like:
>
> V1 in 0 PULSE(0 1 10ms 0 0 1s 2s)
> ^ ? need 2 more nodes
> V1 in 0 PULSE(0 1 10ms 0 0 1s 2s)
> ^ ? what's this?
> ...
You must be using a
As for the new netlist backends for Verilog-AMS or VHDL-AMS to feed
Gnucap: They will appear as soon as somebody steps up to the plate
and creates them!
So, does that imply that the long term plan is that somebody would
write the appropriate backend for Gnucap?
Sure! If somebody writes a *-
On Monday 02 April 2007 15:38, Stuart Brorson wrote:
> Ummm, from my perspective, the "plan" is to retain the two
> circuit simulators as part of the suite. Both have their
> places. Al will continue to improve Gnucap, and ngspice will
> also (more) slowly evolve. Folks can use either one,
> dep
On Monday 02 April 2007 15:47, Patrick Doyle wrote:
> $ gnucap try1.cir
>
> I get messages that look like:
>
> V1 in 0 PULSE(0 1 10ms 0 0 1s 2s)
> ^ ? need 2 more nodes
> V1 in 0 PULSE(0 1 10ms 0 0 1s 2s)
> ^ ? what's this?
> ...
You must be using an ancient version that required number
On Apr 2, 2007, at 1:38 PM, Stuart Brorson wrote:
I suggest you play around with both Gnucap and ngspice, and see which
one suits your purposes. I believe Gnucap still accepts SPICE syntax
netlists, so you can netlist using spice-sdb and then use either
Gnucap or ngspice for simulation.
Tha
I suggest you play around with both Gnucap and ngspice, and see which
one suits your purposes. I believe Gnucap still accepts SPICE syntax
netlists, so you can netlist using spice-sdb and then use either
Gnucap or ngspice for simulation.
So far, I think that the yum installed FC6 gnucap doesn't
>>Sorry, don't know how to support that. Suggest new install as in apt-get
>>install geda.
[ST : OK
I removed my 2005 version and renamed my .pcb/preferences file to see whether
it would
generate a new one. It did . phew.
It had a line commented out for newlib, like
# library-newlib = NULL
s
What is the plan for supporting circuit simulation within the gEDA
"plan?!?!?" *chuckle*
suite going forward? I started off thinking that I would have to
generate a spice netlist (because I read somewhere that the spice-sdb
backend was for use with both ngspice and g
> Where is the paste mask set? Is it computed from the pad information?
PCB doesn't currently support a separate paste mask definition. It is
defined as being exactly the same as the pad size/shape. What I do is
post-process the .pcb file with a perl script, to produce a new one
with adjusted
The plugins allow it to be customized. The core will have no
devices, no commands, and no languages. It's all in plugins.
You attach what you want to use. The default will be
Verilog-AMS all the way.
Being somewhat hampered by a total lack of experience in analog
simulation, and the warning of
John Griessen wrote:
Dave N6NZ wrote:
Yes, some of them look a little odd. But... the title says "Quick and
Easy"
How should we decide to break a solder paste mask into smaller sections
to "help them out"? Larger than ? dimension? I guess this is for
better squeegee results -
I won't push --with-readline so quick into fedora.
Did you try out --with-editline? It may solve your problem.
However is there some proper documentation to help me know which part
*chuckle*
of ngspice is under which license ?
No. Your be
> I guess this is for better squeegee results -- not needing a super
> hard edged squeegee -- so the squeegee doesn't go too low over a
> large opening and leave paste mostly in the edges -- too little
> paste.
More likely to prevent the chip from "floating" on top of a huge
solder bubble, and no
Dave N6NZ wrote:
Yes, some of them look a little odd. But... the title says "Quick and
Easy"
How should we decide to break a solder paste mask into smaller sections
to "help them out"? Larger than ? dimension? I guess this is for
better squeegee results -- not needing a super ha
> Is there a flag to do it in the footprint definition?
The flag is per-pad, but you can use 'q' on the element (not over a
specific pad) to change them all at once.
___
geda-user mailing list
geda-user@moria.seul.org
http://www.seul.org/cgi-bin/mailm
DJ Delorie wrote:
Dave N6NZ <[EMAIL PROTECTED]> writes:
Notably, it argues for rounded-end SMT land patterns.
I think they go overboard in using "round". The lands for sot-23 are
circles! Maybe rounded-corner pads, with the radius equal to the
difference between the lead edge and the pad e
On 4/2/07, al davis wrote:
The issue is redistribution. If you redistribute something made
of parts that are licensed differently, you must comply with
both licenses.
Hello,
I won't push --with-readline so quick into fedora.
However is there some proper documentation to help me know which part
On Monday 02 April 2007 14:05, John Doty wrote:
> Sounds wonderful. Is it sufficiently compatible with SPICE
> that I can feed it an HSPICE netlist to describe the
> circuit itself?
Parts of it are closer to HSPICE than NGspice, and have been for
a long time. Gnucap has HSPICE compatible VCR
Dave N6NZ <[EMAIL PROTECTED]> writes:
> Notably, it argues for rounded-end SMT land patterns.
I think they go overboard in using "round". The lands for sot-23 are
circles! Maybe rounded-corner pads, with the radius equal to the
difference between the lead edge and the pad edge.
__
DJ Delorie wrote:
Notably, it argues for rounded-end SMT land patterns. Can pcb do that?
Yes. Use the 'q' key toggle between square and round pins/pads. I
think there's a key binding for "all selected pins/pads" too.
Is there a flag to do it in the footprint definition?
-dave
___
> Notably, it argues for rounded-end SMT land patterns. Can pcb do that?
Yes. Use the 'q' key toggle between square and round pins/pads. I
think there's a key binding for "all selected pins/pads" too.
___
geda-user mailing list
geda-user@moria.seul
Was looking for something else and Google turned up this interesting
document:
http://www.jlab.org/accel/eecad/pdf/022pulliam.pdf
It is a presentation by AMD titled "Quick and Easy Solder Mask Creation"
that has been saved as .pdf.
I haven't gone through it in its entirety, but it looks like
On Monday 02 April 2007 13:58, Stuart Brorson wrote:
> One thing to worry about: Ngspice is licenced under BSD
> version 1, which apparently has some technical problems. I
> believe the copyright is owned by the Regents of the Univ of
> Calif, and they never relinquished copyright or control, or
> One thing to worry about: Ngspice is licenced under BSD version 1,
> which apparently has some technical problems. I believe the copyright
> is owned by the Regents of the Univ of Calif, and they never
> relinquished copyright or control, or something like that.
They (either bsd or ucb) retro
On Apr 2, 2007, at 11:19 AM, al davis wrote:
The current snapshot has plugins with the complete set of BSIM
models, from the oldest up to the new BSIM460 that hasn't made
it to most commercial simulators yet. There is also
a "spice3f5" set, and a "ngspice17" set. You attach the ones
you want
Since I maintain ngspice as well for fedora, I can make it happen :)
I'll compile it with --with-readline support and push it to fedora
repositories tomorrow.
One thing to worry about: Ngspice is licenced under BSD version 1,
which apparently has some technical problems. I believe the copyrigh
On 4/2/07, al davis <[EMAIL PROTECTED]> wrote:
On Monday 02 April 2007 12:44, Patrick Doyle wrote:
> I'll take a look at that. I read on Stuart's web page that
> ngspice "experienced a burst of development during 2004, and
> incorporates a number of new patches which have increased its
> stabilit
On 4/2/07, Chitlesh GOORAH <[EMAIL PROTECTED]> wrote:
On 4/2/07, Patrick Doyle wrote:
> As long as I'm thinking about this and playing with it... does anybody
> know if ngspice can be compiled with readline support? The one I have
> (installed on my FC6 box via yum) doesn't support it and I miss
On 4/2/07, Patrick Doyle wrote:
As long as I'm thinking about this and playing with it... does anybody
know if ngspice can be compiled with readline support? The one I have
(installed on my FC6 box via yum) doesn't support it and I miss the
command line history and editing features. I'll go loo
On Monday 02 April 2007 12:44, Patrick Doyle wrote:
> I'll take a look at that. I read on Stuart's web page that
> ngspice "experienced a burst of development during 2004, and
> incorporates a number of new patches which have increased its
> stability and augmented its feature set, and is therefor
On 4/2/07, al davis <[EMAIL PROTECTED]> wrote:
How about gnucap?
It has readline, better probe capability, better interactivity,
active development. That's where the future is.
I'll take a look at that. I read on Stuart's web page that ngspice
"experienced a burst of development during 2004,
Günter Dannoritzer wrote:
> Hi,
>
> I am trying out some examples from the Sutherland PLI book and for the
> calltf, compiletf, and sizetf routines the book uses PLI_INT32 type as
> return type.
>
> On the Icarus VPI page http://iverilog.wikia.com/wiki/Using_VPI page in
> hello.c example I see th
How about gnucap?
It has readline, better probe capability, better interactivity,
active development. That's where the future is.
The development snapshot has more models, a plug-in capability
that allows extensions. It is getting close to doing
Verilog-AMS, which is preferred on the high en
ST de Feber wrote:
You're not using old versions are you? These are recent ways of
setting variables.
[ST : i still have a 2005 version of PCB installed on my system
Sorry, don't know how to support that. Suggest new install as in apt-get
install geda.
John G
On Sun, 01 Apr 2007 13:32:44 +0100, Peter Clifton wrote:
> On Sat, 2007-03-31 at 22:37 -0400, DJ Delorie wrote:
>> So, would an isolated probe need an isolated power supply also? Those
>> could get expensive. Isolated power supply, opto-isolated digital gain
>> control, opto-isolated return data
As long as I'm thinking about this and playing with it... does anybody
know if ngspice can be compiled with readline support? The one I have
(installed on my FC6 box via yum) doesn't support it and I miss the
command line history and editing features. I'll go look into it
shortly, but I figured
On 4/2/07, Stuart Brorson <[EMAIL PROTECTED]> wrote:
> I've tried
>
> tran 100us 100ms
> plot vout 10*vin
>
> and I see a couple of pretty sinewaves. That's enough to get me
> started. So, I guess I'll say I get sensible results.
Sounds good.
You can also try
ac dec 10 1Hz 1MegHz
plot vout vi
I've tried
tran 100us 100ms
plot vout 10*vin
and I see a couple of pretty sinewaves. That's enough to get me
started. So, I guess I'll say I get sensible results.
Sounds good.
You can also try
ac dec 10 1Hz 1MegHz
plot vout vin
to get a freq response curve.
BTW, would you mind if I add
Peter Clifton wrote:
You mean "Nautilus" opening things in new windows - rather than browsing
in the one window?
Correct, I would not be a fan of this as the only option for hierarchies.
But.. because the page navigation is flat, "hierarchy up" is gone.
"Down" just opens the relevant page, and
Hi,
I am trying out some examples from the Sutherland PLI book and for the
calltf, compiletf, and sizetf routines the book uses PLI_INT32 type as
return type.
On the Icarus VPI page http://iverilog.wikia.com/wiki/Using_VPI page in
hello.c example I see the use of static int for that. When I compi
69 matches
Mail list logo
