Re: Saving BOM .CSV file
Windows 11, fully up to date. A screenshot is attached.
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John Woodgate
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#24296
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Re: Saving BOM .CSV file
This is wierd. You're running on Windows 10 or 11 or some other
version? Or are you running on linux? Can you do a screen shot maybe
of your errors?
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John Stoffel
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#24295
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Re: Saving BOM .CSV file
I'm using KiCad 8.0.3. I can't even save to C:\ temp by answering 'NO' and selecting the folder C:\temp.
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John Woodgate
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#24294
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Re: Saving BOM .CSV file
What version of Kicad are you using? And what about just saving to
C:\temp and then moving it over to the project folder?
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John Stoffel
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#24293
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Saving BOM .CSV file
I am trying to save the BOM as a .CSV file into the folder with the other KiCad files, but it doesn't save. Wherever I try to save it to, I get a message box that says 'Do you want to use a path
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John Woodgate
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#24292
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Re: Multiple parallel SMD capacitors - one footprint to home them
In the case of the 200p + 18p, it would be hard to avoid COG/NP0 ceramic anyway, so the temperature effects are probably not much of a consideration.
I'm not saying there is no advantage in making
By
Tony Casey
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#24291
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Re: Multiple parallel SMD capacitors - one footprint to home them
It's completely true, but, as you say, it's not the whole, very exhausting, story. I am commenting at the very basic level of 'What about tolerance?' Your input is at a second level of concern. I
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John Woodgate
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#24290
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Re: Multiple parallel SMD capacitors - one footprint to home them
What you're saying about tolerance is only half-true. Paralleling multiple capacitances doesn't change the worst cases. But it does change the standard deviation. Assuming 4 equal valued capacitors in
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Tony Casey
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#24289
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Re: Multiple parallel SMD capacitors - one footprint to home them
It's not clear what you are doing about component tolerances. You can get 218 pF with a 150 pF and a 68 pF in parallel. That is just within +1% of 216 pF. A single 220 pF is within +2%. If all your
By
John Woodgate
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#24288
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Re: Multiple parallel SMD capacitors - one footprint to home them
Hi all,
Many thanks for your efforts to fix my dilemma.
I've come up with a work-around that is reasonable painless and makes it easy for the next project builder to see what I've done.
So
By
Luke Vogel
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#24287
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Re: Multiple parallel SMD capacitors - one footprint
To achieve what you want, I just use 4 footprints. No problem for BOM. But in PCB, I just hide all the value text. Then add a field at one of them says "4x100nF". Just like that.?
You can also add a
By
sugeng
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#24286
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Re: Multiple parallel SMD capacitors - one footprint
When I need to stack surface-mount components I use a bit of "blue painters tape" on my bench with the sticky side up. I place a few large washers or similar on the ends of the tape to keep it from
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Steven A. Falco
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#24285
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Re: Multiple parallel SMD capacitors - one footprint to home them
The easiest way is to manually enter that into the bom and put instructions
in the assembly drawing. It will probably cause pick and place issue (and
it would not show up correctly as well), so it
By
abchin486
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#24284
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Re: Multiple parallel SMD capacitors - one footprint
TLDR; Skip to last paragraph.
If soldering all four capacitors in a neat little stack is OK for your
public to perform, then I'd make a library component without pads. Then
you could place one
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dvalin@...
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#24283
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Re: Multiple parallel SMD capacitors - one footprint
Thanks for the reply Erik,
The footprint is currently assigned to every group, and yes, the location of each member of the group is totally arbitrary.? The main center pad(1) is the active pad with
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Luke Vogel
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#24282
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Re: Multiple parallel SMD capacitors - one footprint
...
If the depicted 4x1206 assembly is in your library as a single
component, then I'd just set its value to: 100pF + 47pF + 47pF + 22pF
and add a line of e.g. awk to split that up into 4
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dvalin@...
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#24281
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Multiple parallel SMD capacitors - one footprint to home them
Hi all
I'm drawing up a Low Pass Filter for a HF power amp.
The topology of the filter requires some parallel capacitors to achieve the required capacitances.
In most cases 4 capacitors (sometimes 6)
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Luke Vogel
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#24280
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Re: Pin length field in the Pin table
Ouuu,
Little bit hidden settings.
But, it works now.
Thank You!
Regards
Peter
?t 10. 10. 2024 o 9:48 Tony Casey via groups.io <tony@...>
napísal(a):
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Peter jani?
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#24279
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Re: Pin length field in the Pin table
Hi Tony,
Thank you very much!
Everything is Ok.
Best regards,
Varuzhan
By
Varuzhan Danielyan
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#24278
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Re: Pin length field in the Pin table
Like this:
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Regards,
Tony
By
Tony Casey
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#24277
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