Effect of a right angled bend in a PCB trace or microstrip

It is not uncommon to use right angled bends in using PCB traces or microstrip lines. The effect of this type of geometery on the characteristics of the microstrip or trace is to generate a capacitance from the bend to the ground plane and two inductances. One at the input side of the trace and the other at the output side of the trace with respect to the right angled bend. This effect is explored more fully in the accompanying brief paper by Signal Processing Group Inc.’s technical team. For further reading please access this paper at http://www.signalpro.biz/rtangle.pdf.

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