Adeel Malik wrote:
Hi There,
In order to reduce the fabrication charges, I want to
combine the data of two PCBs to one PCB such that the data for PCB1 and
PCB2 are placed one above the other.
One option is to design the two PCBs separately (separate databases) and
then combine the Final PCB Data layout of PCB1 and PCB2 to one PCB.
The other option is to design the PCB as a single database and
place/route the components firstly for PCB1 and secondly for PCB2 and
then redraw the Board Outline for a single PCB.
Can someone share some thoughts about some better way of doing this.
You can do the boards as two separate designs, then do copy/paste special into
a third design for the panel. If you do this, be sure to check "Allow
duplicate designators", otherwise the component designators (R1, C2,...) on the
second board will be re-numbered.
I did once design two closely related boards in a single database - you don't
need to draw a board outline to cover both boards - just the individual
outlines are fine.
In both these cases, place the boards at least 0.1 inch apart, so the board
shop will be able to mill them out.
My preferred method is to just give the board shop the two sets of Gerbers, and
say "build these on a common panel". Then the board shop is responsible for
placing them to fit their standard panel size, and leaving enough space between
the boards. There should be little or no extra charge for this, as the board
shop will normally place several copies of your board on a panel.
--
Peter Bennett
TRIUMF
4004 Wesbrook Mall, Vancouver, BC, Canada
GPS and NMEA info and programs:
http://vancouver-webpages.com/peter/index.html
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