Agilent Technologies U7242A Instrukcja Użytkownika Strona 2
- Strona / 82
- Spis treści
- BOOKMARKI
- Signal Integrity 1
- Integrity (SI) Problems: 3
- • FPGAs Are Commonplace: 3
- Signal Integrity is important 4
- What Is Signal Integrity? 5
- • Common Design Approaches: 7
- Was ist LVDS? 11
- Signal Conditioning Basics 12
- FR4 is common, low cost and 14
- BUT it has problems: 14
- The Learning Process 16
- • Differential Measurements: 18
- • Simulation: 18
- • DDR2/3 BGA Probes: 19
- • Soft Touch Probes: 19
- • Signal Acquisition: 20
- • Measurements: 20
- Functional Validation 21
- Starts in here 22
- Ends in here 22
- Measurement Plane 23
- 50Ω Instrument 24
- Termination 24
- High Z Probe 27
- Digital Receiver 27
- Digital Source 27
- Modeling your system 28
- S-PARAMETERS 30
- S-Parameters: Definition 31
- Vector Network Analyzer 33
- S-Parameters: 4-Port 34
- Transfer Functions 35
- Transfer Functions, continued 36
- Removal of a Fixture 37
- Before and After Results 39
- Go as Detailed as you need 40
- Equalization 41
- Serial system 42
- Transmitter De-emphasis 43
- Key measure is eye quality 44
- Feed-Forward Equalization 45
- Delay Delay Delay 46
- Decision 46
- FFE vs DFE 47
- FFE Results 48
- Comparison of Results: 8Gb/s 49
- Aktuelle Programme: 50
- Data Rates 51
- USB 2.0 Overview 52
- Signal Levels 52
- USB 3.0/2.0 – Gesamt-Lösung 53
- What is different for USB 3.0 54
- USB 3.0 Device 55
- USB 3.0 Host 55
- Low power mode 56
- Link training 56
- Physical Layer Test Solutions 57
- What‘s new at USB 3.0? 58
- LTSSM states: 59
- Use compliance pattern 60
- 1M UI of data 60
- Compute: 60
- USB 3.0 Test fixture 61
- ValiFrame (BitifEye) SW 62
- BroadR-Reach Fixture 63
- Fixtures & Kit 66
- PCI Express 67
- 3.0 – Total Solution 67
- PCIe 2.0 Fixture Strategy 68
- Sigtest DLL 70
- Motherboard Testing 71
- Add-in Card Testing 71
- Low jitter 73
- Signal Path Flow 74
- Obtaining S-21 75
- Transmitter FIR 76
- Controlling Transmitter 77
- Link equalization handshaking 78
- PLL bandwidth 78
- PCB Impedance 78
- J-BERT N4903B 79
- Source: PCIe 79
- Rev.3.0 Base 79
- Specification 79
- Test set-up description: 80
- VIELEN DANK 82
- FÜR IHRE 82
- AUFMERKSAMKEIT 82
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