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!
Congratulations, it looks like you know a lot about controlled impedance! But maybe you can still learn a few things by downloading our ControlledImpedance Design Guide?
Ouch, it looks like you still have a lot to learn about controlled impedance. Download our Design Guide now and become a master in controlled impedance!
#1. In any stack-up, what does the dielectric constant of a PCB material depend on?
#2. Which material has a dielectric constant value of 4?
#3. What is the differential impedance for an Ethernet interface?
#4. 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.jsp
#5. 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? ? Clue: Impedance Calculator at https://www.protoexpress.com/user/registerHdi.jsp
#6. What is the single-ended impedance for a USB 2.0 signals interface?
#7. 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? ? Clue: Impedance Calculator at https://www.protoexpress.com/user/registerHdi.jsp
#8. What is the differential impedance for an analogue VGA interface?
#9. What material should you not use if you want a dielectric constant of 3.5?
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