Re: [PEDA] A little OT - PCB labelling

2003-06-06 Thread Robert . Gillatt
Here are some I have tried; Metallic inks, solder resist - add a little thinner to make it runny enough to write with and apply with fine brush, engraving pen, paper label with polyimide tape (gold tape) over the top We used to life test at 220°C for 1000hrs and marking was indeed a pain. The

Re: [PEDA] A little OT - PCB labelling

2003-06-06 Thread Robert . Gillatt
On the other hand the last method is probably the least solvent resistant. Engraving pen is favourite I should say. Here are some I have tried; Metallic inks, solder resist - add a little thinner to make it runny enough to write with and apply with fine brush, engraving pen, paper label

Re: [PEDA] A little OT - PCB labelling

2003-06-06 Thread Robert . Gillatt
How about a debate on QA then... perhaps not. (so here I go)... I was involved with writing QA for 9000, in fact every engineer and manager had to contribute. In a nutshell, you say what you do and then you consistently do what you have said . That's about it. In many ways it makes jobs so much

[PEDA] Protel Signal Integrity

2003-06-09 Thread Robert . Gillatt
I have been trying to get a report out using the SI tool to provide info for an SDRAM interface. I have IBIS models and some results look useful. All the same I am going nuts trying to sort out some less than well documented aspects of the process. An SI report (Menu ReportsSI) tells me that I

Re: [PEDA] Fw: A little OT - ISO9000 was :PCB labelling

2003-06-09 Thread Robert . Gillatt
In favour of GOOD documents how about; Why Are No Knowledge Ever Retained Chris Lowe

Re: [PEDA] Protel Signal Integrity some self help

2003-06-09 Thread Robert . Gillatt
Bevan Weiss [EMAIL PROTECTED]To:

Re: [PEDA] Protel Signal Integrity - self help

2003-06-09 Thread Robert . Gillatt
My apologies, I jumped the gun earlier and sent in error. I have carefully inspected the routes and no sign of loops anywhere. The analyzer seems to have particular problems with T networks. I have cured one instance of this by removing the route, deleting the net, creating a new net and

Re: [PEDA] Fw: A little OT - ISO9000 was :PCB labelling

2003-06-09 Thread Robert . Gillatt
I have to agree with you here. All the same I don't really care what the managers do with our engineering docs so long as the documents are effective and assist the work. At the same time, dealing with suppliers whose service has been limp, I have been able to get a lot of leverage and a hot line

Re: [PEDA] Protel Signal Integrity - self help

2003-06-11 Thread Robert . Gillatt
You are quite right, it is possible to create tiny loops under pads inadvertantly. This explains some of the problems. I carefully looked for this yesterday and found two instances. This still leaves about 5 tracks which SI was happy enough to analyze before modification but now will not,

Re: [PEDA] 99se plotting problem

2003-06-11 Thread Robert . Gillatt
For some reason the beast was happy enough plotting to a PDF printer when I had problems. This is also handy when working away from the office. I hadn't tried HPGL drivers but shall now.

Re: [PEDA] Protel Signal Integrity - self help

2003-06-11 Thread Robert . Gillatt
The problems I am left with are just not consistent. The IBIS model converter report does not give any instances of open collector and the SDRAM docs don't indicate oc anywhere. Also I have got the same instances on other pins and these screen OK. It would be nice to know what is really going on

Re: [PEDA] Direct printing of artwork

2003-06-16 Thread Robert . Gillatt
Hi, A colleague of mine used to produce artwork on film using a laser printer. The right sort of film was essential to ensure dimensional stability with the heat of the laser printer. This yielded black tracks on a transparent film. He then used a positive etch process to remove the photoresist

Re: [PEDA] Specctra 10.2 Interfaces with 99SE

2003-06-17 Thread Robert . Gillatt
Unless you prefer Real Ale. Joe Sapienza

Re: [PEDA] 99SE on win2k running slow

2003-06-17 Thread Robert . Gillatt
A colleague ran into similar problems and eventually installed XP, which works fine. Jeyaraman

Re: [PEDA] OrCad to Protel

2003-06-20 Thread Robert . Gillatt
Strange this, I am going in exactly the opposite direction. I used Orcad for 8 yrs until my present job introduced me to Protel. I am crowing with delight now that the firm has cut a deal with Cadence. Protel has got the look and feel right and Orcad is undeniably clunky but I still can't believe

Re: [PEDA] OrCad to Protel

2003-06-20 Thread Robert . Gillatt
Ah, and I nearly forgot. Can DXP do symbol pin entry through a text file or spreadsheet? If not forget it. Not many managers can get their head around the fact that it can take 4 or 5 days to create a really big schematic symbol and check it properly. I agree that the Orcad spreadsheet entry

Re: [PEDA] SV: OrCad to Protel

2003-06-23 Thread Robert . Gillatt
Can you tell me how to make the local labels option work then? Peder K.

Re: [PEDA] OrCad to Protel

2003-06-23 Thread Robert . Gillatt
376 signal pin .8mm mixed signal BGA with all properties checked. [EMAIL PROTECTED]

Re: [PEDA] OrCad to Protel

2003-06-23 Thread Robert . Gillatt
Thank you very much, this does make sense but where the hell is supporting documentation from Protel. I am very, very sure that these instructions don't appear in my 99SE manual. Thanks

Re: [PEDA] OrCad to Protel

2003-06-23 Thread Robert . Gillatt
Al this is probably true. What a lot of posts have demonstrated is that the desirable features of Protel are not properly documented. Thus they are no use at all. I am one of five engineers who joined the company and started with Protel three years ago. Not all of us were previously using Orcad

Re: [PEDA] OrCad to Protel

2003-06-23 Thread Robert . Gillatt
Just slightly embittered after barttling with bugs on vanishing timelines. John A. Ross

Re: [PEDA] SV: OrCad to Protel

2003-06-23 Thread Robert . Gillatt
This is exactly the kind of issue that matter most. With three engineers working on different sites we put together 30 pages of schematics assuming that labelling and multiple instantation would work as advertised. I leave it to your good selves to work out how much unpicking and ambiguity we

Re: [PEDA] SV: OrCad to Protel

2003-06-23 Thread Robert . Gillatt
The more venal you become, the more I suspect I am right. Peder K.

Re: [PEDA] OrCad to Protel

2003-06-23 Thread Robert . Gillatt
Cheers John, Nice to hear from you again. As I mentioned earlier, shame we didn't find the user group earlier... a trouble shared etc. I think I'll just let the issue wash over now while I get some work done. Thanks to all of you for your time and diligence. Rob

Re: [PEDA] design verification

2003-06-24 Thread Robert . Gillatt
Also, treble check any parts you have created to ensure no duplicate pins or else Protel will start to route and just leave an unconnected track (it did it to me anyway). If I remember correctly, the unrouted net warning doesn't appear in this case.

Re: [PEDA] OrCad to Protel

2003-06-24 Thread Robert . Gillatt
I agree, and thanks guys. Brad Velander

Re: [PEDA] OrCad to Protel

2003-06-24 Thread Robert . Gillatt
I'm not sure that it is good enough for Protel to decide that new users are insufficiently competent to understand more advanced concepts. I clearly remember way back in the days of Orcad SDT III getting instructions about writing drivers at the back of the manual!! Also how to construct symbols

Re: [PEDA] BOM sorter

2003-06-24 Thread Robert . Gillatt
A quick and dirty method can be hacked together very quickly using TextPad macros too. John Sheahan

Re: [PEDA] OrCad nostalgia WAS: undo stack?

2003-06-30 Thread Robert . Gillatt
Hear, hear. Excuse me while I enjoy the nostalgiafest... The block move and drag and the macro editor were unsurpassed and somehow you could accurately select features even at very high Zoom Out levels. I'm afraid that after it went to Windows the game was up.

Re: [PEDA] Orcad Library Importing

2003-07-09 Thread Robert . Gillatt
If you ask Parallel Systems (www.parallel-systems.co.uk) very nicely they might send you a free Orcad Lite disc. The Orcad Capture on that is free licence and seems to do most things that the full version does. Rob

Re: [PEDA] adjacent component placement DXP

2003-07-09 Thread Robert . Gillatt
The very same thing in 98SE made me quite cross. There is probably a right way to fix this. I couldn't find it and turned off the component clearance rule instead.

Re: [PEDA] Protel EDA Forum... was adjacent component placement D XP

2003-07-09 Thread Robert . Gillatt
Meeewww (you can bar me if you like. Mr Morgan might be wrong but I can't stand pomposity) [EMAIL PROTECTED]

Re: [PEDA] tech documentation WAS: OrCad to Protel

2003-06-25 Thread Robert . Gillatt
You have it in one Bago, the trend towards deskilling and cost saving. Decent printed manuals are now unavailable, you download a pdf or get a CD in the post. Saves shipping and admin overheads on heavy books and printing becomes a cost on you. Similarly with consumer goods. The no fault return

Re: [PEDA] Simulation Data

2003-07-04 Thread Robert . Gillatt
Hi, I wonder if this is what you need. Are you talking about the SI analyzer from the Tools menu? If so then the waveform display can be saved as datapoints suitable for directly charting in excel or any plotting prog. I have just been doing the same kind of job that you are describing,

Re: [PEDA] very large database files

2003-07-16 Thread Robert . Gillatt
This has happened to me on two occasions. I would try doing as an earlier correspondent suggested and copy files into a new database asap. Never found out what the problem was but in the first case I started to get system exceptions and crashes. I never did recover the database and had to reload

Re: [PEDA] DRC errors

2003-07-18 Thread Robert . Gillatt
I've been here too Peter. Protel can be a messy blighter, leaves little bits of segments all over the place. I am not a power user so there might be better ways but I have found that I needed to remove every last trace of old copper before the DRC and autorouter would behave. I have used various

Re: [PEDA] DXP switch

2003-07-29 Thread Robert . Gillatt
Have they made any improvements to the Signal Integrity tool? Would be worth it's weight (?) if it worked properly. Robert Dennis

Re: [PEDA] PEDA] P99SE Annotation

2003-07-31 Thread Robert . Gillatt
I had to do this manually, a wasis might work in which case a script or macro in a text editor might help. Either way you are in for a fair bit of work. I too would welcome suggestions. Robert

Re: [PEDA] PEDA] P99SE Annotation

2003-08-01 Thread Robert . Gillatt
But I don't think this will distinguish between Rs, Cs, Ds, etc.. as Adeline needs. Robert Igor Gmitrovic

Re: [PEDA] PEDA] P99SE Annotation

2003-08-04 Thread Robert . Gillatt
Sounds good, blindingly obvious really, thanks.. Robert Igor Gmitrovic

Re: [PEDA] Analysing...

2003-08-04 Thread Robert . Gillatt
I can confirm that some mouse software will screw things. I removed the Alps touchpad mouseware from my laptop and got much better behaviour, not only from Protel. It was so bad that on occasions the mouse cursor would just fly about the screen on its own, opening applications as it went... like

Re: [PEDA] 99SE, PCB, disapearing connectionlines

2003-08-05 Thread Robert . Gillatt
Same goes for me ( strange problem that is). I enthusiastically did a PCB layout from scratch and then used the nets tool nets from connected copper to create the netlist. I got a fraction of the actual number of nets. Time was short as usual and I went for the guaranteed solution of creating all

[PEDA] Robert Gillatt is on holiday.

2003-08-14 Thread Robert . Gillatt
I will be out of the office starting 08/08/2003 and will not return until 18/08/2003. I will respond to your message when I return. Try calling John Mather on 01752 693908 if you have something which just can't wait. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * To post a