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Can I edit the solder paste layer?

I would like to edit the solder paste layer for my D2PAK footprint so I get a segmented paste pattern on the large (drain) pad. The paste mask opening that gets automatically generated has an opening the same size as the pad, but my PCB gurus tell me this will result in too much paste being screened...
by Bill1900
Tue Feb 04, 2014 3:27 pm
 
Forum: General PCB123 Discussion
Topic: Can I edit the solder paste layer?
Replies: 3
Views: 16475

Re: Text reset when updating a netlist.

I'm using PCB123 version 5.0.3.1. You have hit on my dilema, which is that all parts are reloaded from the library whenever I import a netlist. The parts are reloaded correctly from the library, no problem there. What I was hoping, though, was that I could get PCB123 to leave the parts that didn't c...
by Bill1900
Mon Jan 27, 2014 12:41 pm
 
Forum: General PCB123 Discussion
Topic: Text reset when updating a netlist.
Replies: 3
Views: 1357

Text reset when updating a netlist.

I use ORCad for schematic capture, then PCB123 for layout by exporting/importing a netlist. Everything works fine except that when I import a new netlist, any text on the footprints already placed reverts to it's default content and orientation. This reference designators are not affected, but any o...
by Bill1900
Thu Jan 23, 2014 10:26 am
 
Forum: General PCB123 Discussion
Topic: Text reset when updating a netlist.
Replies: 3
Views: 1357

Snap to cursor works backwards

Gentlemen, The "Find object and snap it to cursor" function on the PCB layout screen seems to work backwards. When I enter the reference designator for a part I want to place, PCB123 snaps my cursor to the part's current location instead of bringing the part to my cursor. In addition, the ...
by Bill1900
Mon Oct 01, 2012 10:20 am
 
Forum: General PCB123 Discussion
Topic: Snap to cursor works backwards
Replies: 1
Views: 1728

Re:Replacing a part

Here is something that works for me, so long as the new part and the old part have the same PCB footprint. First add the new part to your schematic and connect it in parallel with the part you want to replace. Don't delete the old part yet, though. Now go to the PCB Board and place the new part on t...
by Bill1900
Mon May 14, 2012 9:30 am
 
Forum: PCB123 Schematic
Topic: Replacing a part
Replies: 3
Views: 1632

Re:How to create a footprint with a round pin array

Hi Sal, Thank you for the tip. Last time I did this I did all the trig and changed the grid to get the pins in the right place. Your way is much easier. I have one small correction and a suggestion. First, you have to select View User Preferences to change the rotation increment before you do Design...
by Bill1900
Mon May 14, 2012 9:30 am
 
Forum: Schematic and Layout Parts (Libraries)
Topic: How to create a footprint with a round pin array
Replies: 1
Views: 1129

Footprints with multiple pins for a single electrical connection.

Is there a way to create a footprint with multiple pads connected to a single pin on the part's schematic symbol? As an example, I have a transistor in an SOT223 package, where both the center pin on one edge and the heat sink tab are connected to the collector. I don't want to have two collector pi...
by Bill1900
Mon May 14, 2012 9:30 am
 
Forum: Schematic and Layout Parts (Libraries)
Topic: Footprints with multiple pins for a single electrical connection.
Replies: 5
Views: 4020

Re:Footprints with multiple pins for a single electrical connection.

Thank you for the answers and the suggestion. I can see where using a hidden pin could work sometimes, but I already have logic with hidden power and ground pins on my schematic, and not all of my collectors are attached to the same net. For now, I'll just create a schematic symbol with multiple col...
by Bill1900
Mon May 14, 2012 9:30 am
 
Forum: Schematic and Layout Parts (Libraries)
Topic: Footprints with multiple pins for a single electrical connection.
Replies: 5
Views: 4020

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