09HSI-S042-R0-CHT datasheet(2/71 Pages) HIROSE

2 / 71 page

Signal Integrity Report – IT3 (17mm)

Page ii

Table of Contents

Table of Contents .......................................................................................................................... ii

1. Introduction..............................................................................................................................4

2. Geometry ..................................................................................................................................4

3. Differential Signals ..................................................................................................................5

3.1

Frequency-Domain Modeling...................................................................................................... 5

3.1.1

S parameters (connector only)................................................................................................. 5

3.1.2

S parameters (vias only)........................................................................................................15

3.1.3

S parameters (vias + connector + vias) ................................................................................. 18

3.1.4

W-element Model (PCB trace).............................................................................................. 23

3.2

Time-Domain Simulation ..........................................................................................................26

3.2.1

Impedance Profile (connector only)...................................................................................... 26

3.2.2

Impedance Profile (vias + connector + vias)......................................................................... 28

3.2.3

TDR and TDT waveforms (connector only) ......................................................................... 29

3.2.4

Time-Domain Crosstalk (connector only)............................................................................. 35

3.2.5

System Voltage and Timing Margins.................................................................................... 36

4. Single-ended Signals ..............................................................................................................46

4.1

Frequency-Domain Modeling.................................................................................................... 46

4.1.1

S parameters (connector only)............................................................................................... 46

4.1.2

S parameters (vias only)........................................................................................................48

4.1.3

S parameters (vias + connector + vias) ................................................................................. 48

4.1.4

W-element Model (PCB trace).............................................................................................. 50

4.2

Time-Domain Simulation ..........................................................................................................52

4.2.1

Impedance Profile (connector only)...................................................................................... 52

4.2.2

Impedance Profile (via + connector + via)............................................................................ 54

4.2.3

TDR and TDT waveforms (connector only) ......................................................................... 56

4.2.4

Time-Domain Crosstalk (connector only)............................................................................. 58

4.2.5

System Voltage and Timing Margins.................................................................................... 58

5. Measurement ..........................................................................................................................60

5.1

Measurement Setup ................................................................................................................... 60

5.2

Differential Signals.................................................................................................................... 61

5.2.1

Measurement vs. Simulation Correlation (connector only) .................................................. 61

5.2.2

Time-Domain NEXT and FEXT........................................................................................... 65

5.2.3

Impedance profile.................................................................................................................. 66

5.3

Single-ended Signals ................................................................................................................. 66

5.3.1

Measurement vs. Simulation Correlation (connector only) .................................................. 66

5.3.2

Time-Domain NEXT and FEXT........................................................................................... 68

5.3.3

Impedance profile.................................................................................................................. 69

6. Appendix.................................................................................................................................70

09HSI-S042-R0-CHT датащи(PDF) 2 Page - Hirose Electric

09HSI-S042-R0-CHT датащи(HTML) 2 Page - Hirose Electric

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71

датащи скачать

ссылки URL