| Two adjacent, co-parallel 50 ohm microstrip transmission lines on FR4 are ten inches long. The separation between them is equal to their line width. A signal with a rise time of 0.5 nsec travels down one line. How much far end noise is generated at the end of the other line? | 71 Answers | 0 Comments | Quiz results | Public | Quiz Open |
| The dielectric constant of FR4 decreases with frequency. By roughly how much will the rise time of a signal be increased as it propagates through an FR4 stripline? | 129 Answers | 3 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| What is the minimum number of MLCC capacitors you need for a PDN if the target impedance is 10 mOhms, the max frequency the chip can see the board is 100 MHz and the mounted inductance of each capacitor is about 2 nH? | 45 Answers | 2 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| The total amount of bulk decoupling capacitance for a PDN rail should be selected based on the target impedance and | 75 Answers | 4 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| If the differential impedance of a differential pair is 100 ohms and the single ended impedance of either line is 50 ohms, the coupling must be: | 351 Answers | 4 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| You start with a 100 Ohm, symmetric stripline differential pair with uncoupled lines. You bring the lines closer together so the spacing equals the line width. Which statement below is true? | 324 Answers | 45 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| When two adjacent signal lines transition from one signal layer, through a pair of planes, to another signal layer, the return current flows between the cavity formed by the planes. The impact of the return path discontinuity is strongest in | 97 Answers | 7 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| This pop quiz will be answered during the next No Myths Allowed Webinar: True or false: getting the differential S-parameters are difficult because they require a special differential network analyzer. | 379 Answers | 6 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| If you listened to the last No Myths Allowed webinar, this one is easy. To build a transparent differential via, what is the most important feature to engineer? | 153 Answers | 1 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| We will have four No Myths Allowed webinars in 2009. The first one is “Practical Differential Pair Design”. What would you like to see as the next topic? Feel free to add specific comments below. | 275 Answers | 2 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| The open circuit output voltage of a driver is 1v. Its output impedance is 5 ohms. It is driving a 50 ohm transmission line. What is the initial voltage launched into the transmission line? | 302 Answers | 20 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| Without paying a premium and just using good design habits, the total ESL of an 0603 MLCC might be as low as | 187 Answers | 3 Comments | Quiz results | Public | Sorry, this quiz is closed. |
| A data stream has a 10-90 rise time of about 300 psec. What is the approximate bandwidth of the signal? | 303 Answers | 8 Comments | Quiz results | Public | Sorry, this quiz is closed. |
Application Notes
