:class:`DifferentialTLine`
==========================


.. py:class:: pyedb.libraries.rf_libraries.base_functions.DifferentialTLine(edb: pyedb.Edb, length: Union[float, str] = 0.01, width: Union[float, str] = 0.0002, spacing: Union[float, str] = 0.0002, x0: Union[float, str] = 0.0, y0: Union[float, str] = 0.0, angle: Union[float, str] = 0.0, layer: str = 'TOP', net_p: str = 'P', net_n: str = 'N')

   
   Edge-coupled differential pair with fully parametric geometry.


   :Parameters:

       **length** : :class:`python:float`, :obj:`default` 10 :obj:`mm`
           Total length of the pair.

       **width** : :class:`python:float`, :obj:`default` 0.2 :obj:`mm`
           Width of each individual trace.

       **spacing** : :class:`python:float`, :obj:`default` 0.2 :obj:`mm`
           Edge-to-edge separation between the traces.

       **x0** : :class:`python:float`, :obj:`default` 0
           Start x-coordinate (metres).

       **y0** : :class:`python:float`, :obj:`default` 0
           Start y-coordinate (metres).

       **angle** : :class:`python:float`, :obj:`default` 0 :obj:`rad`
           Rotation angle of the pair (radians, CCW).

       **layer** : :class:`python:str`, :obj:`default` "TOP"
           Layer on which the traces are drawn.

       **net_p** : :class:`python:str`, :obj:`default` "P"
           Net name for the positive trace.

       **net_n** : :class:`python:str`, :obj:`default` "N"
           Net name for the negative trace.











   .. rubric:: Examples

   >>> diff = DifferentialTLine(Edb("diff.aedb"), length=5e-3, width=0.15e-3, spacing=0.1e-3, angle=math.pi / 4)
   >>> traces = diff.create()
   >>> f"{diff.diff_impedance:.1f} Ω"
   '95.6 Ω'



   ..
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.. py:currentmodule:: DifferentialTLine

Overview
--------

.. tab-set::



   .. tab-item:: Methods

      .. list-table::
          :header-rows: 0
          :widths: auto

          * - :py:attr:`~create`
            - Create the two traces using only parameter strings so the


   .. tab-item:: Properties

      .. list-table::
          :header-rows: 0
          :widths: auto

          * - :py:attr:`~diff_impedance`
            - Rough odd-mode impedance estimate for the differential pair.


   .. tab-item:: Attributes

      .. list-table::
          :header-rows: 0
          :widths: auto

          * - :py:attr:`~length`
            - 
          * - :py:attr:`~width`
            - 
          * - :py:attr:`~spacing`
            - 
          * - :py:attr:`~x0`
            - 
          * - :py:attr:`~y0`
            - 
          * - :py:attr:`~layer`
            - 
          * - :py:attr:`~net_p`
            - 
          * - :py:attr:`~net_n`
            - 






Import detail
-------------

.. code-block:: python

    from pyedb.libraries.rf_libraries.base_functions import DifferentialTLine

Property detail
---------------

.. py:property:: diff_impedance
   :type: float


   
   Rough odd-mode impedance estimate for the differential pair.



   :Returns:

       :class:`python:float`
           Differential impedance in Ohms.













   ..
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Attribute detail
----------------

.. py:attribute:: length

.. py:attribute:: width

.. py:attribute:: spacing

.. py:attribute:: x0

.. py:attribute:: y0

.. py:attribute:: layer
   :value: 'TOP'


.. py:attribute:: net_p
   :value: 'P'


.. py:attribute:: net_n
   :value: 'N'




Method detail
-------------

.. py:method:: create() -> List[float]

   
   Create the two traces using only parameter strings so the
   geometry stays fully editable in AEDT.



   :Returns:

       :class:`python:list`\[:class:`python:float`]
           EDB object IDs of the positive and negative traces.













   ..
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