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Engineering Specification

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Engineering Specification
ES-3U5T-1B257-AA
EMC Design Guide for Printed Circuit Boards
Frame vi of 78
Rev. A
10/01/2002
Printed copies are uncontrolled
TABLE OF EQUATIONS


Equation 3­1. Wavelength........................................................................................................... 19
Equation 3­2. Duty Cycle............................................................................................................ 23
Equation 3­3. Bandwidth............................................................................................................. 23
Equation 3­4. Current in Square Waves...................................................................................... 24
Equation 3­5. Far-Field Radiated Emissions............................................................................... 24
Equation 3­6. Radiated Emissions from a loop........................................................................... 25
Equation 3­7. Far Field strength.................................................................................................. 25
Equation 3­8. Common Mode current......................................................................................... 27
Equation 3­9. E-field strength due to CM current....................................................................... 27
Equation 3­10. CM current.......................................................................................................... 28
Equation 3­11. Mutual Capacitance in wires .............................................................................. 31
Equation 3­12. Mutual Capacitance ............................................................................................ 32
Equation 3­13. Voltage Noise due to capacitive coupling.......................................................... 33
Equation 3­14. Mutual Inductance .............................................................................................. 34
Equation 3­15. Noise voltage due to inductive coupling ............................................................ 35
Equation 3­16. Noise voltage due to inductive coupling ............................................................ 35
Equation 3­17. Inductive Coupling in twisted-wire pair............................................................. 36
Equation 3­18. Shielding effectiveness....................................................................................... 38
Equation 3­19. Absorption loss................................................................................................... 38
Equation 3­20. Resistance in Copper .......................................................................................... 40
Equation 3­21. Inductive Reactance............................................................................................ 41
Equation 3­22. Inductance in rectangular conductor .................................................................. 41
Equation 3­23. Inductance in parallel wires................................................................................ 42
Equation 3­24. Self-Inductance................................................................................................... 44
Equation 3­25. Inductance in air-core inductors ......................................................................... 45
Equation 3­26. Inductance in toroids .......................................................................................... 45









Summary :

23 Equation 3­3. 23 Equation 3­4. 24 Equation 3­5. 24 Equation 3­6. 25 Equation 3­7. 25 Equation 3­8. 27 Equation 3­9. 27 Equation 3­10. 35 Equation 3­16. 35 Equation 3­17.


Tags : inductance,current,inductie,due,coupling,noise,mutual,oltage,equation,printed,emissions,strength,wires





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