0.5 mm Copper track PCB laminate 1 mm Ground plane Figure 2 Using the method of images, (a) Calculate the capacitance per meter between the copper track and the ground plane. Ans: 11.07pF/m (b)Can you use the method of image for this problem if the ground plane is of finite extent? Why?
0.5 mm Copper track PCB laminate 1 mm Ground plane Figure 2 Using the method of images, (a) Calculate the capacitance per meter between the copper track and the ground plane. Ans: 11.07pF/m (b)Can you use the method of image for this problem if the ground plane is of finite extent? Why?
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Transcribed Image Text:QUESTION 3
A copper track on a multilayered printed circuit board (PCB) is 0.5 mm wide and separated from the
ground plane by 1 mm. The relative dielectric constant of the homogeneous PCB material (FR-4 epoxy-
resin glass-fiber) is & = 2.5. The arrangement is as depicted in Figure 2.
Transcribed Image Text:0.5 mm
Copper track
PCB laminate
1 mm
Ground plane
Figure 2
Using the method of images,
(a) Calculate the capacitance per meter between the copper track and the ground plane. Ans: 11.07pF/m
(b)Can you use the method of image for this problem if the ground plane is of finite extent? Why?
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