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Connect two different NETs

MaxKielland

This isn't that simple as it first sounds. Assume the following scenario.

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The red signal, LOAD+ is dimensioned for 10A but the green signal, Feed back, is going to an OP-AMP and only needs a few mA. Is there any way I can connect these two nets without automatically rename one of them?

 

Do I really have to put in a 0 resistor because of limitations in EAGLE?

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    Max Kielland wrote on Thu, 27 March 2014 09:00

    This isn't that simple as it first sounds. Assume the following

    scenario.

    The red signal, LOAD+ is dimensioned for 10A but the green signal,

    Feed

    back, is going to an OP-AMP and only needs a few mA. Is there any way

    I

    can connect these two nets without automatically rename one of them?

     

    Do I really have to put in a 0 resistor because of limitations in

    EAGLE?

     

     

    A net is a net. When you connect two wires they are the same net, by

    definition. It cannot have two names.

     

    Simply use the TEXT tool to write 'Feedback' if you desire those words at

    that point.

     

    HTH

    Warren

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

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  • 0

    Max Kielland wrote on Thu, 27 March 2014 09:00

    This isn't that simple as it first sounds. Assume the following

    scenario.

    The red signal, LOAD+ is dimensioned for 10A but the green signal,

    Feed

    back, is going to an OP-AMP and only needs a few mA. Is there any way

    I

    can connect these two nets without automatically rename one of them?

     

    Do I really have to put in a 0 resistor because of limitations in

    EAGLE?

     

     

    A net is a net. When you connect two wires they are the same net, by

    definition. It cannot have two names.

     

    Simply use the TEXT tool to write 'Feedback' if you desire those words at

    that point.

     

    HTH

    Warren

    --

    Web access to CadSoft support forums at www.eaglecentral.ca.  Where the CadSoft EAGLE community meets.

     

Children
  • 0 in reply to autodeskguest

    On 26/03/14 22:59, Warren Brayshaw wrote:

    Max Kielland wrote on Thu, 27 March 2014 09:00

    This isn't that simple as it first sounds. Assume the following

    scenario.

    The red signal, LOAD+ is dimensioned for 10A but the green signal,

    Feed

    back, is going to an OP-AMP and only needs a few mA. Is there any way

    I

    can connect these two nets without automatically rename one of them?

     

    Do I really have to put in a 0 resistor because of limitations in

    EAGLE?

     

    A net is a net. When you connect two wires they are the same net, by

    definition. It cannot have two names.

     

    Simply use the TEXT tool to write 'Feedback' if you desire those words at

    that point.

     

    Alternatively, if you want to explicitly show on the schematic that the

    feedback net is only a low-current sense trace that should be connected

    locally to a particular point in the LOAD+ trace (e.g. to account for

    any losses in the copper) then you can create a virtual component with

    two (SMD) pads overlapping. Look for answers to how to connect analogue

    and digital ground planes at one point - it's the same basic problem of

    two nets connected.