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So in an Eagle library, the device is created by joining schematic symbols with pcb packages. You can have more than one symbol in a package... (a quad opamp). Is there anyway to have multiple packages linked to one symbol?

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  • \$\begingroup\$ When you say "multiple packages linked to one symbol", do you mean that one symbol would correspond to several optional packages? (For example, an OpAmp comes in 8-SOIC, and the same OpAmp also comes in 8-DIP). \$\endgroup\$ Commented Jun 20, 2016 at 16:02
  • \$\begingroup\$ @NickAlexeev, No I know how to do that. So (on a previous pcb) I had a panel mounted pot with wires to the pcb. It sometimes would be nice to move the pads for the pot around some... I can do this by making the pot three different pads... but it would be nice keep the pads linked with the pot symbol on the schematic... As it is I just put words on the schematic. \$\endgroup\$ Commented Jun 20, 2016 at 16:25

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As far as I know, that isn't possible to do with the present Eagle library stricture. You can not have one symbol that corresponds to several footprints on the PCB, which you can move independently.

I can think of a workaround.
[Haven't tried this with Eagle myself, so this is hypothetical.]
3 separate terminals for the potentiometer (wire terminals, say W1, W2, W3). Each one is a separate part. Put the terminals into their own hierarchical block. Treat this hierarchical block as a schematic symbol.

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Yes. In Eagle terminology, you create a "variant" of the part. Each variant (usually indicated by a suffix on the base name of the part) links a different package with the schematic symbol.

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  • \$\begingroup\$ Yeah thanks Dave, I do that already... I want to have many packages on the pcb associated with one symbol. It's OK I already made a new part. \$\endgroup\$ Commented Jun 20, 2016 at 16:27

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