Controlled Impedance Quiz #2

Controlled impedance is not science fiction… Especially when you know how to calculate your controlled impedance traces. But, do you? Open our free Impedance Calculator – which will help you answer some of the following questions – and get ready to take the quiz!

controlled impedance quiz

 

Question #1: Which of the following pictures represent an embedded single-ended microstrip?

Question #2: In any stack-up, what does the dielectric constant of a PCB material depend on?

Question #3: Which material has a dielectric constant value of 4?

Question #4: What is the differential impedance for an Ethernet interface?

? Clue: Impedance Calculator at https://www.protoexpress.com/user/registerHdi.jsp Question #5: What will be the single-ended impedance of a 5-mil wide and 1.7-mil thick trace that has a dielectric height of 4 mils and a dielectric constant of 4.15?

? Clue: Impedance Calculator at https://www.protoexpress.com/user/registerHdi.jspQuestion #6: What should be the trace width of a 1.4-mil thick single-ended stripline which has 4-mil dielectric heights, dielectric constants of 4.15, and a 45-ohm impedance?

Question #7: What is the single-ended impedance for a USB 2.0 signals interface?

? Clue: Impedance Calculator at https://www.protoexpress.com/user/registerHdi.jspQuestion #8: What should be the trace width of a 1.7-mil thick single-ended microstrip which has a 3.8-mil dielectric height, a 57-ohm impedance, and use NP175 material?

Question #9: What is the differential impedance for an analogue VGA interface?

Question #10: What material should you not use if you want a dielectric constant of 3.5?

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