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PCI Express® Transmitter Compliance/Debug Solution

DPO-MSO70000 Option PCE3, PCE4 and PCE5 Datasheet

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TekExpress PCIExpress EN US 61W 24540 23
TekExpress PCIExpress EN US 61W 24540 23
TekExpress PCIExpress EN US 61W 24540 23

The Tektronix Option PCE3 (Gen 1/2/3), Option PCE4 (Gen4) and Option PCE5 (Gen5) applications provide the most comprehensive solution for PCI Express Transmitter and Reference Clock compliance testing as well as debug and validation of PCI Express devices against the PCI-SIG® specifications.

Features and benefits

  • PCI Express Gen1/2/3/4/5 validation and compliance of Transmitters at the BASE (silicon) and CEM (system) levels for the Tektronix DPO/MSO70000 Series oscilloscopes
  • Reference Clock jitter and signal integrity measurements for Gen1 to Gen5 using Silicon Labs Tool and DPOJET
  • Automation fully configures the oscilloscope including the vertical and horizonal scales for accurate and specification compliant measurements.
  • Automated acquisition / waveform management. Automatically acquires and saves the waveform to manage numerous waveforms that need to be acquired per lane for completing the Transmitter (Tx) test
  • Automation controls the DUT by stepping it though the various supported speeds and Tx EQ Presets
  • RF switch automation of PCIe3 test solution, supporting up to x16 lanes
  • Support for NVMe physical layer testing
  • De-embedd the impact of a break-out channel, test fixtures, and cables to achieve measurements at the test point of interest (requires Option SDLA Serial Data Link Analysis)
  • Test selection. Select the specification against which to perform the analysis, and select individual tests or groups of tests to perform targeted compliance analysis for failing tests
  • SigTest integration. Uses SigTest EXE (using command line interface) to perform the analysis of acquired waveforms, providing the ability to test a system using the PCI-SIG®-recommended analysis tool
  • Analysis of multiple waveforms are done in parallel using multiple sigtest instances.
  • AC Fit Tx EQ Preset characterization for Gen5 with SigTest Phoenix
  • Reporting. Compiles all test results into a customizable report with Pass/Fail results for easy analysis and record keeping
  • Summary table at the top of the report for quick glance of results for normative measurement
  • Pattern matching. Verifies that the correct set of compliance patterns are sent by the transmitter before acquiring signals for compliance analysis
  • PHY level protocol decode. Decodes and displays the PCIe data in a protocol-aware view. A time-correlated event table view with waveforms allows for quickly searching through events of interest
  • Multi-lane testing. Perform analysis on multiple lanes of PCI express data to speed up the Tx analysis in a multi-lane system
  • Compliance and debug. Provides a toolkit of DPOJET-based setups to quickly switch into debug and validation mode when a DUT fails compliance
  • Analysis and debug tools. Tektronix provides a broad range of compliance, debug, and validation tools for Transmitter (Tx), Receiver (Rx), and protocol testing
  • Comprehensive programmatic interface. Enables automation of programs and scripts to call PCIe related TekExpress functions

Applications

Tektronix provides the most comprehensive solutions for validation and compliance of PCI Express transmitters at the Base (silicon) and system level including support for CEM, U.2, and M.2 interfaces. Numerous protocols utilizing the PCI Express physical layer including NVMe and CXL can take advantage of the transmitter and reference clock automation under TekExpress software solution.

TekExpress PCIExpress EN US 61W 24540 23
TekExpress PCIe test selection for compliance test analysis

The Tektronix Option PCE3 (Gen1/2/3), PCE4 (Gen4) and PCE5 (Gen5) includes compliance and debug testing and electrical validation for the following:

  • Root complex base Tx jitter and voltage
  • Endpoint base Tx jitter and voltage
  • Switches
  • Bridges
  • Add-In cards
  • System boards
  • Embedded systems
  • Express module

The Tektronix Option PCE3, PCE4 and PCE5 applications include a TekExpress™ compliance automation solution that integrates SigTest from the PCI-SIG as well as Tektronix DPOJET-based PCI Express Jitter and Eye Diagram analysis tools for debug purposes in a single software package.

TekExpress compliance automation is available now for PCIe Gen 1-3 CEM and Gen 3 Base via Option PCE3, Gen4 CEM and Gen4 Base via Option PCE4, and Gen5 CEM and Gen5 Base via Option PCE5.

The Tektronix Option PCE3, Option PCE4 and Option PCE5 applications are compatible with Tektronix DPO/MSO70000 series oscilloscopes that are designed to meet the challenges of the next generation of serial data standards such as PCI Express. These oscilloscopes provide the industry's leading vertical noise performance with the highest number of effective bits (ENOB) and flattest frequency response for oscilloscopes in their class. The Tektronix DPO/MSO70000 series of oscilloscopes have been approved by PCI-SIG for compliance testing.

TekExpress PCIExpress EN US 61W 24540 23
TekExpress oscilloscope acquisition setup

Compliance testing

The PCI-SIG provides PCI Express compliance tests for testing PCI Express systems and add-in cards. For a PCI Express system or a device to be placed on the Integrators List, the system or device must pass interoperability and compliance testing. For electrical validation, the PCI-SIG uses SigTest Post Capture Analysis Software that uses acquisitions from an oscilloscope connected to the PCI-SIG's CBB (main board + riser) test fixture for add-in cards or CLB test fixture for systems to perform the analysis. Manually capturing the required waveforms and analyzing them is tedious, time consuming, and error prone.

The Tektronix Option PCE3, Option PCE4, and Option PCE5 TekExpress Automation for PCI Express Transmitter Compliance reduces the effort and accelerates the compliance testing for PCI Express systems and devices with several unique and innovative capabilities. These options ultimately allow the testing of devices that support various technologies, such as NVMe, which is supported as an add-in card device, or through a U.2 or M.2 connector.

The Tektronix Option PCE3, Option PCE4, and Option PCE5 TekExpress Automation software can control the DUT using selected models of a Tektronix AFG or AWG or GRL PCIE34 Controller pattern source and automatically cycle it through various speeds, de-emphasis, and presets that are necessary for the compliance test. This eliminates the error-prone manual push button approach normally used for DUT control on the CBB and CLB test fixtures.

A complete test run requires multiple waveforms to be acquired at different DUT settings per lane. This waveform set will increase by the number of lanes that need to be analyzed. The ability to manage and store the required data for analysis and future reference is an important criterion for any compliance solution. The Option PCE3, Option PCE4 and Option PCE5 TekExpress automation software, apart from adjusting the horizontal and vertical settings as well as the acquisition depth for optimal signal quality for accurate analysis, provides easy analysis to manage multiple acquired waveforms.

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TekExpress setup configuration

TekExpress PCIExpress EN US 61W 24540 23
TekExpress setup preferences

This makes the PCI-SIG's SigTest EXE is used to analyze the acquired waveforms. The makes results of the analysis consistent with the SigTest post-capture analysis software used at PCI-SIG workshops for compliance testing.

The Option PCE3, Option PCE4 and Option PCE5 TekExpress automation software provides flexibility in selecting data rates, voltage swing, presets, and the tests to run. It also provides the option to de-embed the effects of the channel and the test fixtures and provide an accurate representation of the signal at the pins as required by the specification.

All the analysis results are compiled in a PDF/HTML formatted report that can include pass/fail summary, eye diagrams, setup configuration, and user comments. The contents of the report can be customized to include information of interest such as append results and custom report generation based on test name/pass fail/equalization.

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TekExpress report generation preferences
TekExpress PCIExpress EN US 61W 24540 23
TekExpress results summary

Reference Clock Testing with TekExpress

The Reference Clock testing is gaining importance with higher data rates. PCI-SIG has removed the dual-port testing for the system board for Gen5 which creates a need to separately test Reference Clock signal. The TekExpress PCIe solution has now integrated the Silicon Labs Reference Clock tool to allow an automated hassle-free Reference Clock testing. Once the user connects the Reference Clock output to the oscilloscope, the Tekexpress PCIe software will acquire the signal, invoke the Silicon Lab Reference Clock tool, and provide Reference Clock test results from Gen1 to Gen5.

Switch Matrix automation

Switch Matrix application allows to configure and setup automated multi-lane testing using RF switch. The solution allows you to map each of the several transmitter signals and forward the selected input either to another relay or to the oscilloscope channel. Option SWX-PCE supports x12 and x16 lanes using Keithley and Gigatronics switches respectively, and enhances throughput and automated test speed.

TekExpress PCIExpress EN US 61W 24540 23
Switch Matrix application settings
TekExpress PCIExpress EN US 61W 24540 23
Switch configuration example

Debug and validation

If a DUT or Add-In card fails any portion of the compliance test, the application includes a DPOJET-based debug and analysis tool kit customized for debug and validation of PCI Express interfaces.

The new jitter measurements introduced with PCIe Gen3 and Gen 4 provide separate limits for data dependent (DDJ) and uncorrelated deterministic jitter (UDJDD). It is important to separate DDJ (which can be compensated with transmitter and receiver equalization) and UDJDD (which can be caused by effects such as crosstalk and power supply noise).

Apart from the above Jitter measurements, Pulse Width Jitter (PWJ) is a new measurement that addresses the increased channel loss at 8 to 16 Gb/s. The purpose of the PWJ measurement is to ensure that lone bits meet minimum pulse width requirements. All new jitter measurements implement Q-scale extrapolation as defined in the base specification. The Tektronix Option PCE3, Option PCE4, and Option PCE5 provide the complete set of PCI Express 3.0, 4.0, and 5.0 Base Spec jitter measurements enabling silicon designers to verify that their silicon meets the base specification requirements.

Furthermore, the base specification requirements are defined at the pins of the transmitter. Before the measurements are computed the test channel must be de-embedded. De-embed filters can be easily created using the Tektronix Option SDLA64 Serial Data Link Analysis software and then quickly entered into the Option PCE3 and Option PCE4 base specification measurement setup and saved for future use. In addition to jitter, Option PCE3 and Option PCE4 also provide voltage, package loss, and transmitter equalization measurements.

Option PCE3 and Option PCE4 leverage the channel modeling and receiver equalization functionality of the Tektronix Option SDLA64 software to support CEM measurements. Unlike other solutions, Option PCE3 and Option PCE4 provide full visibility to the signal as it has been modified to embed the compliance channel and provide receiver equalization. Eye diagrams and measurements can be set up to visually see the results of channel embedding, CTLE application, and DFE. For example, when determining the optimal Rx Equalization settings (CTLE setting and DFE tap value) the resulting eye diagrams and measurements show the effects of post processing on the acquired signal. Compliance measurements can then be taken on the waveform.

TekExpress PCIExpress EN US 61W 24540 23
TekExpress PCI Express test report
TekExpress PCIExpress EN US 61W 24540 23
TekExpress PCIExpress EN US 61W 24540 23
TekExpress PCIExpress EN US 61W 24540 23
DPOJet PCE3 base specification measurement suite
TekExpress PCIExpress EN US 61W 24540 23
DPOJet PCE3 base specification measurement suite

DPOJET based Reference Clock measurements

The Tektronix DPOJET based RefClock measurements provide a reliable way to implement the Reference clock specifications described in the PCI Express Base Specification Rev 1.0 for Gen1, Gen2, Gen3, Gen4 and Gen5.

TekExpress PCIExpress EN US 61W 24540 23
Example of RefClk measurements, together with generated plots

TekExpress PCIExpress EN US 61W 24540 23
DPOJET measurements and their plots

Comprehensive programmatic interface

You can use Standard Commands for Programmable Instruments (SCPI) to communicate with the TekExpress application. The Online Help document of TekExpress application describes the steps for TCPIP socket configuration and TekVISA configuration to execute the SCPI commands.

PCI Express Decoder for Gen 1 - 4 (Option SR-PCIe)

Decode and Display of PCIe data in a protocol-aware view with the characters and names that are familiar from the standard such as the ordered sets: SKP, Electrical Idle, and EIEOS. A time correlated event table view with waveform allows for quickly searching through events of interest simultaneously. All decoding features support PCIe generations 1 - 4. The PCIe trigger is easily configured through Bus Setup under the oscilloscope's Vertical menu with a variety of user-adjustable settings. The PCIe data stream is integrated with serial bus trigger and search for PCIe gen 1 and 2 allows for triggering on information of interest.

TekExpress PCIExpress EN US 61W 24540 23

TekExpress PCIExpress EN US 61W 24540 23

TekExpress PCIExpress EN US 61W 24540 23

Comprehensive measurements for PCIe validation, debug, and precompliance

Tektronix Option PCE3, Option PCE4 and Option PCE5 provide measurements that span multiple test points and versions of the PCIe specification. All PCIe specifications, test points, and measurements supported are listed in the following sections.

Test method Spec revision PCI Express specification title Test points defined
Rev 1.1 Rev 1.1 Base Specification Transmitter and Receiver
Rev 1.1 CEM Specification System and Add-in Card Reference Clock
Rev 1.0 Express Module Specification Transmitter Path and System Board
Rev 1.0 PCMCIA Express Card Standard

Host System Transmitter

Express Card Transmitter

Ver. 3.0 Rev 1.1 Mobile PCI Express Module (MXM) Electromechanical Specification PCI Express
Rev 2.0 Rev 1.0 External Cabling Specification Transmitter and Receiver Path
Rev 2.0 Base Specification

Transmitter and Receiver

Mobile Low-power Transmitter

Rev 2.0 CEM Specification System and Add-in Card (3.5 and 6 dB de-emphasis)
Ver. 3.0 Rev 1.1 Mobile PCI Express Module (MXM) Electromechanical Specification PCI Express
Rev 3.0 Rev 1.0 Base Specification Transmitter
Rev 1.0 CEM Specification System and Add-in Card
Rev 3.0 Test Specification System and Add-in Card
Rev 4.0 Rev 1.0 CEM Specification System and Add-in Card
Rev 5.0 Rev 1.0 Base Specification Transmitter
Rev 0.5CEM SpecificationTransmitter

SignalConnect™ software and TCS70902 Calibration Source

TekExpress PCIExpress EN US 61W 24540 23
SignalCorrect allows quick characterization of cables, fixtures and other types of interconnects using the TCS70902 fast step source and the response captured on a DPO70000SX Series real-time oscilloscope.
TekExpress PCIExpress EN US 61W 24540 23
SignalCorrect creates a filter that you can apply to your oscilloscope inputs to de-embed your device or interconnect under test.

Specifications

All specifications apply to all models unless noted otherwise.

Supported Reference clock measurements

Supported Reference clock measurements
Generation Architecture Measurements Limits
PCIe 1.1 Common clock T-CC- RCLK Specified
T-WST-CC- RCLK Specified
Independent RefClock IR2.5GBPS Specified
PCIe 2.1 Common clock T-RMSCC-RCLK-5GBPS Specified
T-WST-RMSCC-RCLK-5GBPS Specified
Independent RefClock IR5GBPS Specified
PCIe 3.1 Common clock T-RMSCC-RCLK Specified
T-WST-RMSCC-RCLK Specified
Independent RefClock IR8GBPS Specified
PCI4 4.0 Common clock PCIE4_T-RMSCC-REFCLK Specified
PCIE4_T-WST-RMSCC-REFCLK Specified
Independent RefClock IR16GBPS Specified
PCI4 5.0 Common clock PCIE5_T_RMSCC-REFCLK Specified
PCIE5_T-WST-RMSCC-REFclk Specified
Independent RefClock PCIE5_IR Specified

Supported AC reference clock measurements

AC reference clock specifications1
Generation Specifications Measurements Symbol
Common across all generations AC reference clock specifications Cycle to Cycle jitter CC_JITTER
Differential Input High Voltage V_IH
Differential Input Low Voltage V_IL
Duty Cycle Duty Cycle
Absolute Max input voltage Vmax
Absolute Min input voltage Vmin
Absolute Period (including Jitter and Spread Spectrum modulation) Period Abs
Falling Edge Rate Falling-Edge-Rate
Rising Edge Rate Rising-Edge-Rate
Average Clock Period Accuracy Avg Prd Accur
Rising edge rate (REFCLK+) to falling edge rate (REFCLK-) matching Rise fall Match
Absolute crossing point voltage VCROSS

Supported base specification measurements

Supported PCI Express 4.0 Base Transmitter measurements
Parameter DPOJET measurement 8.0 GT/s, Rev 3.0 16.0 GT/s, Rev 1.0
Unit interval UI Specified Specified
Full Swing Tx voltage with noTxEq V-TX-FS-NO-EQ Specified Specified
Reduced Swing Tx voltage with noTxEq V-TX-RS-NO-EQ Specified Specified
Min swing during EIEOS for full swing V-TX-EIEOS-FS Specified Specified
Min swing during EIEOS for reduced swing V-TX-EIEOS-RS Specified Specified
Pseudo package loss Root device ps21TXRootdevice Specified Specified
Pseudo package loss AIC device ps21TXAICdevice NA Specified
Tx uncorrelated total Jitter T-TX-UTJ Specified Specified
Tx uncorrelated deterministic jitter T-TX-UDJDD Specified Specified
Data dependent jitter T-TX-DDJ Specified NA
Total uncorrelated PWJ T-TX-UPW-TJ Specified Specified
Deterministic DjDD uncorrelated PWJ T-TX-UPW-DJDD Specified Specified
Maximum Boost voltage ratio for full swing V-TX-FS-BOOST Specified Specified
Maximum Boost voltage ratio for reduced swing V-TX-RS-BOOST Specified Specified
Supported PCI Express 5.0 Base Transmitter measurements
Parameter DPOJET measurement 32.0 GT/s, Rev 5.0
Tx uncorrelated total Jitter T-TX-UTJ 6.25 ps (max)
Tx uncorrelated deterministic Jitter T-TX-UDJDD 3.125 ps (max)
Data dependent Jitter T-TX-DDJ NA
Total uncorrelated PWJ T-TX-UPW-TJ 6.25 ps (max)
Total Random Jitter (informative) T-TX-RJ 0.23-0.45 ps rms
Deterministic DjDD uncorrelated PWJ T-TX- UPW-DJDD 2.5 ps (max)
RMS Refolk jitter for common Refolk architecture T-RMSCC-RCLK 0.25 ps (max)
IR Refolk jitter IR32GBPS NA
Pseudo Package Loss ps21Tx (max) 8.5dB
Boost ratio VTX-BOOST 8.0 (min) dB
EIEOS VTX-EIEOS 250 mV
TX Differential Peak to Peak VTX-DIFF-PP 800 mV (max) 1300mV
Differential transmitter (Tx) output measurements
Parameter Symbol(s) 2.5 GT/s Rev 1.1/2.0 5 GT/s Rev 2.0
Clock Recovery NA Specified Specified
Unit Interval UI Specified Specified
Differential Peak-to-Peak Tx Voltage Swing

VTX-DIFF-P-P

VTX-SWING

VTX-EYE-FULL

Specified Specified
Low-power Differential Peak-to-Peak Tx Voltage Swing

VTX-SWING-LOW

VTX-EYE-HALF

Specified Specified
De-emphasized Output Voltage Ratio VTX-DE-RATIONot Specified Specified
Instantaneous Lane Pulse Width TMIN-PULSENot Specified Specified
Transmitter Eye including All Jitter Sources

TTX-EYE

TTX-EYE-TJ

Specified Specified
Maximum Time between the Jitter Median and Maximum Deviation from the Median TTX-EYEMEDIAN-to-MAXJITTERSpecified Specified
Deterministic Jitter TTX-DJ-DDNot Specified Specified
Tx RMS Jitter <1.5 MHz TTX-LF-RMSNot Specified Specified
D+/D– Tx Output Rise/Fall Time

TTX-RISE

TTX-FALL

Specified Specified
Tx Rise/Fall Mismatch TRF-MISMATCHNot Specified Specified
AC Peak-to-Peak Common Mode Output Voltage VTX-CM-AC-PPNot Specified Specified
AC Peak Common Mode Output Voltage VTX-CM-AC-PSpecified Specified
Absolute Delta of DC Common Mode Voltage between D+ and D– VTX-CM-DC-LINE-DELTASpecified Specified
Differential receiver (Rx) input measurements2
Parameter Symbols 2.5 GT/s Rev 1.1/2.0 5 GT/s Rev 2.0
Clock Recovery NA Specified Not Specified
Unit Interval UI Specified Specified
Minimum Receiver Eye Opening VRX_EYESpecified Specified
Receiver Deterministic Jitter – DJ TRX_DJ_DDNot Specified Specified
Minimum Width Pulse at Rx TRX-MIN-PULSENot Specified Specified
Maximum Time between the Jitter Median and Maximum Deviation from the Median TTX-EYEMEDIAN-to-MAXJITTERSpecified Not Specified
Rx AC Common Mode Voltage VRX-CM-AC-PSpecified Specified

Supported CEM specification measurements

Add-in Card 8 GT/s transmitter path compliance measurements
Parameter Symbol
Transition Eye Voltage PCIe V-TXA
Nontransition Eye Voltage PCIe V-TXA-d
Eye Width PCIe T-TXA
Add-in Card transmitter path compliance measurements
Parameter Symbol(s) 2.5 Gt/s Rev 1.1/2.0 5 GT/s Rev 2.0
Clock Recovery NA Specified Specified
Unit Interval UI Specified Specified
Eye Height of Transition Bits VTXASpecified Specified
Eye Height of Nontransition Bits VTXA_dSpecified Specified
Eye Width with Sample Size of 106 UI TTXA in Rev 1.1 Specified Not Specified
Jitter Eye Opening at BER 10–12TTXA in Rev 2.0 Specified Specified
Maximum Median-Max Jitter Outlier with Sample Size of 106 UI JTXA-MEDIAN-to-MAX-JITTERSpecified Not Specified
Total Jitter at BER 10–12TJ at BER 10–12Not Specified Specified
Deterministic Jitter at BER 10–12Max DJ Not Specified Specified
System board transmitter path measurements
Parameter Symbol(s) 2.5 GT/s Rev 1.1/2.0 5 GT/s Rev 2.0
Clock Recovery NA Specified Specified
Unit Interval UI Specified Specified
Eye Height of Transition Bits VTXSSpecified Specified
Eye Height of Nontransition Bits VTXS_dSpecified Specified
Eye Width with Sample Size of 106 UI TTXS in Rev 1.1 Specified Not Specified
Jitter Eye Opening at BER 10–12TTXS in Rev 2.0 Specified Specified
Maximum Median-Max Jitter Outlier with Sample Size of 106 UI JTXA-MEDIAN-to-MAX-JITTERSpecified Not Specified
Total Jitter at BER 10–12TJ at BER 10–12Not Specified Specified
Deterministic Jitter at BER 10–12Max DJ Not Specified Specified
Reference clock measurements
Parameter Symbol 2.5 Gt/s Rev 1.1/2.0
Reference Clock Phase Jitter at BER 10–6NA Specified

PCI ExpressModule™ measurements

ExpressModule Add-in Card transmitter path measurements
Parameter Symbol Rev 1.0
Clock Recovery NA Specified
Unit Interval UI Specified
Eye Height of Transition Bits VTXASpecified
Eye Height of Nontransition Bits VTXA_dSpecified
Eye Width with Sample Size of 106 UI TTXAin Rev 1.1 Specified
Jitter Eye Opening at BER 10–12NA Specified
Maximum Median-Max Jitter Outlier with Sample Size of 106 UI JTXA-MEDIAN-to-MAX-JITTERSpecified
ExpressModule system board transmitter path measurements
Parameter Symbol Gen1 Rev 1.0
Clock Recovery NA Specified
Unit Interval UI Specified
Eye Height of Transition Bits VTXSSpecified
Eye Height of Nontransition Bits VTXS_dSpecified
Eye Width with Sample Size of 106 UI TTXSSpecified
Jitter Eye Opening at BER 10–12NA Specified
Maximum Median-Max Jitter Outlier with Sample Size of 106 UI JTXA-MEDIAN-to-MAX-JITTERSpecified

PCI Express external cabling measurements

External cabling transmitter path measurements
Parameter Symbol Rev 1.0
Clock Recovery NA Specified
Unit Interval UI Specified
Eye Height of Transition Bits VTXASpecified
Eye Height of Nontransition Bits VTXA_dSpecified
Jitter Eye Opening at BER 10–12TrxA at BER 10–12Specified
Eye Width with Sample Size of 106 UI TrxA at 106 Samples Specified
External cabling receiver path measurements
Parameter Symbol Gen1 Rev 1.0
Clock Recovery NA Specified
Unit Interval UI Specified
Eye Height of Transition Bits VRXASpecified
Eye Height of Nontransition Bits VRXA_dSpecified
Jitter Eye Opening at BER 10–12TrxA at BER 10–12Specified
Eye Width with Sample Size of 106 UI TrxA at 106 Samples Specified

PCMCIA ExpressCard™ measurements

ExpressCard - Module transmitter path measurements
Parameter Symbol Release 1.0
Clock Recovery NA Specified
Unit Interval UI Specified
Eye Height of Transition Bits VTXASpecified
Eye Height of Nontransition Bits VTXA_dSpecified
Eye Width across any 250 UIs TTXASpecified

ExpressCard-Host sys trans path

ExpressCard™ - Host system transmitter path measurements
Parameter Symbol Release 1.0
Clock Recovery NA Specified
Unit Interval UI Specified
Eye Height of Transition Bits VtxSSpecified
Eye Height of Nontransition Bits VtxS_dSpecified
Eye Width across any 250 UIs TTxSSpecified

MXM measurements

PCI Express measurements3
Parameter Symbol Release 1.1
Eye Height of Transition Bits VTXSSpecified
Eye Height of Nontransition Bits VTXS_dSpecified
Width at BER TTXSSpecified
Deterministic Jitter DJ Specified
Total Jitter TJ Specified

1PCIe TekExpress runs AC Reference Clock measurement using Silicon Lab tool and additionally report

  • Ring Back Voltage
  • Overshoot Voltage relative to V(IH)
  • Undershoot Voltage relative to V(IL)

2The Rx input measurements are not specified for 8 GT/s and 16 GT/s.

3All de-emphasis levels supported

Ordering information

PCE34
PCI Express Gen1/2/3 TekExpress Compliance/Debug Automation with DPOJet Measurements Software
New instrument orders
Option PCE3
Product upgrades
DPO-UP Option PCE3
Floating licenses
DPOFL-PCE3
PCE45
PCI Express Gen4 TekExpress Compliance/Debug Automation with DPOJet Measurements Software
Requires PCE3 option to support PCI Express Gen1/2/3 TekExpress Compliance/Debug Automation with DPOJet Measurements Software

For CEM System/Host Test6

New instrument orders
Option PCE4
Product upgrades
DPO-UP Option PCE4
Floating licenses
DPOFL-PCE4
PCE5
TekExpress PCIe Tx Compliance Solution, supports PCIe Gen5 (requires Opt. DJA)
New instrument orders
Option PCE5
Product upgrades
DPO-UP Option PCE5
Floating licenses
DPOFL-PCE5
SWX-PCE7
Switch configurator for PCIe Gen 1/2/3 (please note the RF Switch will not support PCIe Gen4 Tx testing)
New instrument orders
Option SWX-PCE
Floating licenses
DPOFL-SWX-PCE

Recommended DPO/MSO70000 Series Oscilloscopes

2.5 Gb/s (PCI Express 1.0/1.1)
DPO/MSO70000 Series (6 GHz or higher bandwidth models required for compliance testing)
5.0 Gb/s (PCI Express 2.0)
DPO/MSO70000 Series (12.5 GHz or higher bandwidth models)
8.0 Gb/s (PCI Express 3.0)
DPO/MSO70000 Series (12.5 GHz or higher bandwidth models)
16.0 Gb/s (PCI Express 4.0)
DPO/MSO70000 Series (25 GHz or higher bandwidth models)
32.0 Gb/s (PCI Express 5.0)
DPS77004SX Series (50 GHz or higher bandwidth models), DPO/MSO70000 Series (33 GHz or higher bandwidth models for Gen5 CEM testing)
Support for DPO/MSO70000 SX Series oscilloscopes
Supported DPO70000 Series configurations
Model Description

Option

PCE3

Option

PCE4

Option

PCE5

DPO71604C 16 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO72004C 20 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DSA71604C 16 GHz DSA; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DSA72004C 20 GHz DSA; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
MSO71604C 16 GHz MSO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
MSO72004C 20 GHz MSO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO72504D 25 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO73304D 33 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DSA72504D 25 GHz DSA; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DSA73304D 33 GHz DSA; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO72304DX 23 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO72504DX 25 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO73304DX 33 GHz DPO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
MSO72304DX 23 GHz MSO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
MSO72504DX 23 GHz MSO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
MSO73304DX 33 GHz MSO; 2 Ch, 100 GS/s or 4 Ch, 50 GS/s
DPO77002SX 70 GHz ATI; 1 Ch, 70 GHz, 200 GS/s or 2 Ch, 33 GHz, 100 GS/s
DPS77004SX 70 GHz ATI System; 2 Ch: 70 GHz: 200 GS/s or 4 Ch: 33 GHz: 100 GS/s
DPO75902SX 59 GHz ATI; 1 Ch, 59 GHz, 200 GS/s or 2 Ch, 33 GHz, 100 GS/s
DPS75904SX 59 GHz ATI System; 2 Ch: 59 GHz: 200 GS/s or 4 Ch: 33 GHz: 100 GS/s
DPO75002SX 50 GHz ATI; 1 Ch, 50 GHz, 200 GS/s or 2 Ch, 33 GHz, 100 GS/s
DPS75004SX 50 GHz ATI System; 2 Ch: 50 GHz: 200 GS/s or 4 Ch: 33 GHz: 100 GS/s
DPO73304SX 33 GHz DPO; 2 Ch, 33 GHz, 100 GS/s or 4 Ch, 23 GHz, 50 GS/s
DPS73308SX 33 GHz DPO System; 4 Ch: 33 GHz: 100 GS/s or 4 Ch: 23 GHz: 50 GS/s
DPO72304SX 23 GHz DPO; 4 Ch: 23 GHz: 50 GS/s or 2 Ch: 23 GHz: 100 GS/s
DPO71604SX 16GHz DPO; 4 Ch: 16GHz: 50GS/s or 2 Ch: 16 GHz: 100 GS/s
DPO71304SX 13GHz DPO; 4 Ch: 13GHz: 50GS/s or 2 Ch: 13 GHz: 100 GS/s

Accessories

Recommended accessories

P75xx, P76xx, and P77xx Series (TriMode™ Differential Probes)

P7513, P7513A, P7516, P7520A, P7625, P7630, P7633, P7713, P7716, P7720 with respective tips

PCI Express
SpeedMinimum oscilloscope bandwidth

TCA-SMA

(Max 18 GHz)

TCA-292D

(Max 33 GHz)

P7500

(Max 20 GHz)

P7700

(Max 20 GHz)

P7600

(Max 33 GHz)

2.5 GT/s6 GHz
5.0 GT/s12.5 GHz
8.0 GT/s 12.5 GHz
16.0 GT/s 25 GHz
32.0 GT/s BASE50 GHz
32.0 GT/s CEM33 GHz
100 MHz RefClk 5 GHz
Option SDLA64
Serial Data Link Analysis Visualizer8
Option SR-PCIe
Bus decode support for PCI Express serial busses9

Recommended for automated DUT control

RF Switch
Keithley System S46T RF Microwave Switch for X12 PCIe

Gigatronics RF Switch 26 GHz (8902-L-48TS26) for x16 PCIe

Tektronix AFG3252
Arbitrary Function Generator
Tektronix AFG3252C
Arbitrary Function Generator
AWG5002B/C
Arbitrary Waveform Generator
AWG5012B/C
Arbitrary Waveform Generator
AWG5014B/C
Arbitrary Waveform Generator
AWG7082B/C
Arbitrary Waveform Generator
AWG7122B/C
Arbitrary Function Generator
AWG70001A
Arbitrary Waveform Generator
AWG70002A
Arbitrary Waveform Generator
AFG31252
Arbitrary Function Generator
AFG31251
Arbitrary Function Generator
AFG3252C
Arbitrary Function Generator
GRL PCIE34 Controller for automatic test pattern toggling and DUT power cycle (for Add-In-Card)

Part number : GRL-PCIE34-P1

Contact GRL at [email protected] for support and [email protected] to request for a quote.

Recommended test fixtures, cables, and tools

Description Image

Description PCI Express 5.0 System Board (Tektronix NON-COMPLIANCE)

Tektronix PN TF-PCIE5-CEM-X1 or TF-PCIE5-CEM-X16

Specifications

  • X16 CEM connector (surface mount) with optimized layout
  • Megtron 6 low loss material (~1 dB @ 16 GHz)
  • Microstrip routing (no vias)
  • MMPx (Huber Suhner) RF connectors for Tx and Rx connections
  • Tx trace length of 3 in.
  • Rx trace length of 4 in.
  • 5.0 Base Specificaiton Reference Clock compliance chip
  • Power connector (2x10)
  • Opto-isolator switch for automation of Power, Reset, and Toggle
  • Insertion loss characterization traces

TekExpress PCIExpress EN US 61W 24540 23

Description PCI Express 5.0 Add-in Card Board (Tektronix NON-COMPLIANCE)

Tektronix PN TF-PCIE5-CEM-X1 or TF-PCIE5-CEM-X16

Specifications

  • x1/x16 Edge Finger and x4/x8 Edge Finger variants with optimized layout
  • TF-PCIE5-CEM-X1 comes with X1 and X16 CLB and TF-PCIE5-CEM-X16 comes with X1, X4, X8 and X16 CLB.
  • Sideband signal RC terminations
  • Megtron 6 Low Loss Material (~1 dB @ 16 GHz)
  • Microstrip routing (no vias)
  • MMPx (Huber Suhner) RF oncnectors for Tx and Rx connections
  • Tx trace length of 3 in.
  • Rx trace length of 4 in.
  • 5.0 Base Specificaiton Reference Clock compliance chip
  • Compliance toggle circuit (switch between Tx compliance patterns)
  • Opto-isolator switch for automation of Power, Reset, and Toggle
  • Insertion loss characterization traces

TekExpress PCIExpress EN US 61W 24540 23

Description PCI Express 5.0 Variable ISI Board (Tektronix NON-COMPLIANCE)

Tektronix PN TF-PCIE5-CEM-X1 or TF-PCIE5-CEM-X16

Specifications

  • 36 variable length differential pairs (0.5 dB @ 16 GHz step size)
  • Megtron 6 Low Loss Material (~1 dB @ 16 GHz)
  • Microstrip routing (no vias)
  • MMPx (Huber Suhner) RF connectors for Tx and Rx connections
TekExpress PCIExpress EN US 61W 24540 23
Description: [PCI-SIG] PCIe 4.0 Preliminary CEM Fixture Kit

PN: PCIe-CLB-X1X16, PCIe-CLB-X4X8, PCIe-CBB-MAIN, and PCIe-VAR-ISI

The PCIe 4.0 CEM Beta fixtures require a VNA based characterization to determine the appropriate Insertion Loss for performing the 16 GT/s Tx Signal Quality Test and the 16 GT/s Rx Link Equalization Test. This characterization will not be performed by the PCI-SIG, but must be performed by the end user after the fixtures are delivered.

Quantity: 1

Description: PCI Express Compliance Base Board (CBB) test fixture, revision 3.0. For testing PCI Express add-in cards, x1/x4/x8/x16 PCIe connectors on PCIe devices/add-in cards.

Vendor: PCI-SIG

https://www.pcisig.com/specifications/order_form

Vendor PN: CBB3

Tektronix PN: Only available from PCI-SIG

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: PCI Express Compliance Load Board (CLB3) test fixture, revision 3.0. For testing PCI Express Platforms, x1 and x16 PCIe connectors on PCIe systems/mother boards.

Vendor: PCI-SIG

https://www.pcisig.com/specifications/order_form

Vendor PN: x1/x16 CLB3

Tektronix PN: Only available from PCI-SIG

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: PCI Express Compliance Load Board (CLB3), Revision 3.0. For testing PCI Express Platforms, x4 and x8 PCIe connectors on PCIe systems/mother boards.

Vendor: PCI-SIG

https://www.pcisig.com/specifications/order_form

Vendor PN: x4/x8 CLB3

Tektronix PN: Only available from PCI-SIG

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: PCI Express Compliance Load Board (U.2 CLB3) test fixture, revision 3.0. For testing PCI Express Platforms, x1 and x4 PCIe connectors on PCIe devices/add-in cards.

Vendor: PCI-SIG

https://www.pcisig.com/specifications/order_form

Vendor PN: U.2 CLB3

Tektronix PN: Only available from PCI-SIG

Quantity: 1

Note: U.2 was formally known as SFF-8639.

TekExpress PCIExpress EN US 61W 24540 23
Description: PCI Express Compliance Load Board (U.2 CLB3), Revision 3.0. For testing PCI Express Platforms, x1 and x4 PCIe connectors on PCIe systems/mother boards.

Vendor: PCI-SIG

https://www.pcisig.com/specifications/order_form

Vendor PN: U.2 CLB3

Tektronix PN: Only available from PCI-SIG

Quantity: 1

Note: U.2 was formally known as SFF-8639.

TekExpress PCIExpress EN US 61W 24540 23
Description: Any ATX PC power supply

Vendor: Tektronix recommends "PC Power and Cooling 750 W Silencer MK III Series" or similar.

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: SMP terminator, 50 Ω, limited detent.

Vendor: Fairview Microwave

http://www.fairviewmicrowave.com/rf-load-0.25-watts-26.5-ghz-smp-female-st2645-p.aspx

Vendor PN: ST2645

Tektronix PN: 131-9399-xx

Quantity needed per PCIe DUT link width:

  • x1: 0
  • x4: 6
  • x8: 14
  • x16: 30
TekExpress PCIExpress EN US 61W 24540 23
Description: SMA Female to BNC Male adapter.

Vendor: Tektronix

Tektronix PN: 015-0572-xx

www.tek.com

Quantity: 2

TekExpress PCIExpress EN US 61W 24540 23
Description: DC Block, SMA, 26`GHz

Vendor: Tektronix

www.tek.com

Tektronix PN: PSPL5500A, PSPL5501A, or PSPL5508

Quantity: 2

Note: This is an optional accessory and not shown in any of connection diagrams, but can be used if DC offset is encountered in any signal path.

TekExpress PCIExpress EN US 61W 24540 23
Description: USB2.0 Cable, Type A Male to Type B Male, 6 foot

Vendor: Tektronix

Tektronix PN: 174-6053-xx

www.tek.com

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: SMA-to-SMA, H+S SF104E Phase Kit (#84077556), Straight, 1`m, 1.5 ps phase-matched.

Vendor: Tektronix

www.tek.com

Tektronix PN: PMCABLE1M

Quantity: 1 cable pair per lane

TekExpress PCIExpress EN US 61W 24540 23
Description: SMA-to-SMP right-angle cable pair, 102 mm, 1 ps phase-matched.

Tektronix PN: 174-6657-xx

Quantity: 1 cable pair

Note: Applicable only for Gen3

TekExpress PCIExpress EN US 61W 24540 23
Description: SMA-to-SMP right-angle cable pair, 1 m, 1 ps phase-matched (one for AFG to Rx Lane0, one for 100 MHz RefClk for Ch3+4 for System Testing)

Tektronix PN: 174-6659-xx

Quantity: 1 cable pair

TekExpress PCIExpress EN US 61W 24540 23
Description: SMP to SMP right-angle cable pair, 305 mm, 2.5 ps phase-matched set.

Tektronix PN: 174-6658-xx

Quantity: 1 cable pair

TekExpress PCIExpress EN US 61W 24540 23
Description Cables

Tektronix PN TF-PCIE5-CEM-X1 or TF-PCIE5-CEM-X16

Specifications

  • Huber Suhner 24” MMPX PLUG to MMPX PLUG cable

    PN 174-7327-00

    QTY = 4

  • Huber Suhner 4” MMPX – 2.92 Cable 32024E-29430CR-29092KCR-24PM +/-1 PS-STD

    PN 174-7326-00

    QTY = 4

Description: SMA torque wrench, 8.0 in-lbs.

Vendor: Fairview Microwave

http://www.fairviewmicrowave.com/sma-fixed-torque-wrench-click-st-sma3-p.aspx

Vendor PN: ST-SMA3

Tektronix PN: 003-1940-xx

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: SMP right-angle cable extraction tool.

Vendor: Fairview Microwave

http://www.fairviewmicrowave.com/undefined-mmtl2682-p.aspx

Vendor PN: MMTL2682

Tektronix PN: 003-1941-xx

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23
Description: SMP terminator installation/extraction tool.

Vendor: Fairview Microwave

http://www.fairviewmicrowave.com/undefined-mmtl4991-p.aspx

Vendor PN: MMTL4991

Tektronix PN: 003-1939-xx

Quantity: 1

TekExpress PCIExpress EN US 61W 24540 23

Additional information

PCI Express receiver testing

A complete PCI Express receiver testing solution from Tektronix. Includes stressed pattern generation as required by PCI-SIG test specifications and support for automated clock multiplication and eye opening measurements. Automated DUT loopback control simplifies the testing process and reduces time to test results. The receiver testing solution also supports adding pre-emphasis to the stress pattern, common-mode interference testing, and PLL loop BW testing.

TekExpress PCIExpress EN US 61W 24540 23
PCIe receiver test setup

The Receiver testing solution consists of the following components:

  • BSX240 for Pattern Generation, stressed eye sources, and Error Detection
  • New BSXPCI4BSE and BSXPCI4CEM SW for Auto calibration, link training, and testing
  • MSO/DPO70000 or DPS75004SX Series Real-Time Oscilloscope for calibration

TLA7SA00 Series Protocol Analyzers

The TLA7SA00 Series logic protocol analyzer modules provide an innovative approach to PCI Express validation that spans all layers of the protocol from the physical layer to the transaction layer.

TekExpress PCIExpress EN US 61W 24540 23
TLA7SA00 series instrument

Feature rich software provides improved information density for viewing statistical summary and protocol analysis using innovative Transaction and Summary Profile windows.

TekExpress PCIExpress EN US 61W 24540 23
TLA7SA00 data views

Hardware capabilities including hardware acceleration, OpenEYE, ScopePHY, and FastSYNC provide fast access to data and helps shorten the time it takes to build confidence in the test system. Powerful trigger and filtering capabilities provide the ability to quickly focus on the data of interest. Provides a complete suite of probing solutions targeted for various form factors and applications.

4Requires Option DJA (DPOJET Jitter and Eye Diagram Analysis) and Option SDLA64 (serial Data Link Analysis Visualizer) highly recommended. Option DJA is standard on MSO70000 Series oscilloscopes, and can be ordered for DPO70000 Series oscilloscopes.

5Require option PCE3. For Debug solution DJA and SDLA64 is required. If user need only Automated TekExpress solution then DJA and SDLA64 is optional

6CEM System/Host Test Configuration

  • 1 x MSO/DPO72504DX or DPO73304SX Oscilloscope with P76xx probe or DPS73308SX, min BW = 25GHz
  • 2 x P7625 or P7633 probe required for MSO/DPO72504DX or DPO73304SX
  • 2 x P76CA-292 probe tip required for MSO/DPO72504DX or DPO73304SX

7Requires Option PCE3

8SDLA is not required for TekExpress automation solutions. It is mandatory for DPOJET PCIE.

9This is required to perform pattern decoding using TekExpress which gives Preset number and Lane number information (Only for Gen3, currently Gen4 is not supported).