#1. The PCB dielectric layer connects electrically one side of the PCB Copper to the other, when using both top and bottom sides of the PCB.
#2. Regarding PCB design software, remembering keyboard shortcuts for drawing functions are the best approach in order to increase productivity and speed.
#3. The schematic circuit using in PCB drawing software such as KiCAD, is merely used as a reference for the user to associate a PCB with a circuit, it is not really used by the software when considering PCB physical design and component connections.
#4. As the circuit receives an external signal in the input BNC connector, which represents electric energy, it will always produce an output signal through the PCB electric components in the output BNC connector. It does not require to be powered from an external source to function properly.
#5. PCB drawing software library comprehend in its database for each reference electronic component, a circuit schematic and many footprints related to that specific electronic component.
#6. NET names are unimportant and can be left with their default names when drawing a schematic, because they are automatically identified by software when updating PCB drawing.
#7. The ground plane is just a common point of connection which is common to many components simplifying PCB design and thus it is the only reason it is used.
#8. In respect to PCB design tolerances, clearance and width limits are supposed to be selected according to the manufacturing equipment (usually a CNC).
Results
Congratulations! It was a hard one, but you passed!
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