HP E5071C schematic
Agilent Technologies
VESA DisplayPort Cable &
Connector Compliance Test
Test Solution Overview Using
the Agilent E5071C ENA
Option TDR
Last Update 2013/2/18 (TH)
Purpose
• This slide will show how to make measurements of VESA
DisplayPort Cable & Connector Compliance Tests by using the Agilent
E5071C ENA Option TDR.
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Agilent Digital Standards Program
Our solutions are driven and supported by Agilent
experts involved in international standards committees:
• Joint Electronic Devices Engineering Council (JEDEC)
• PCI Special Interest Group (PCI-SIG®)
• Video Electronics Standards Association (VESA)
• Serial ATA International Organization (SATA-IO)
• USB-Implementers Forum (USB-IF)
• Mobile Industry Processor Interface (MIPI) Alliance
• Optical Internetworking Forum (OIF)
We’re active in standards meetings, workshops, plugfests,
and seminars
Our customers test with highest confidence and achieve
compliance faster
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DisplayPort – Agilent Total Solution Coverage
HDMI and DisplayPort Design and Test - A Better Way
(http://cp.literature.agilent.com/litweb/pdf/5990-8001EN.pdf)
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Reference Document
• VESA DisplayPort Standard Version 1, Revision 2a
• VESA Display Port PHY Compliance Test Specification Version
1.2b
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DisplayPort Cable and Connector Compliance Test Solution
PHY Layer Test Points
Source CabCon
2
ML Pair
Full Simplex
Content Display
ML Lanes
= 1, 2 or 4
2
AUX Pair
Half-Duplex
PWR (1), GND (1)
Sink
Link Layer/Protocol Test and Control Points
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DisplayPort PHY Compliance Test Solution
Measurement Parameters
Source CabCon
2
ML Pair
Full Simplex
ML Lanes
= 1, 2 or 4
2
AUX Pair
Half-Duplex
Sink
Time Domain Measurements
Bulk Cable and Connector Impedance (Normative)
Intra-Pair Skew (Normative)
Inter-Pair Skew (Normative)
Frequency Domain Measurements
Insertion Loss (Normative)
Return Loss (Normative)
Near End Noise (*)
Far End Noise (Normative)
* Near End Noise (NEN): Normative for AUX Channel, Main Link(0) and Main
Link(3) and Informative for the rest of the Main Link Channels.
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DisplayPort PHY Compliance Test Solution
Solution Overview
•DisplayPort cable & connector compliance testing requires parametric
measurements in both time and frequency domains
Traditional
Frequency Domain
•Insertion Loss
•Return Loss
•Near End Noise
•Far End Noise
Time Domain
•Bulk Cable and
Connector Impedance
•Intra Pair Skew
•Inter Pair Skew
Solution
Vector
Network
Analyzer
(VNA)
TDR
Scope
New Solution
•ALL parameters can
be measured with
ENA Option TDR
One-box
Solution !!
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DisplayPort PHY Compliance Test Solution
Authorized Test Centers (ATC) Supporting ENA Option TDR
ENA option TDR is used by authorized test centers (ATC) to perform
DisplayPort cable assemblies compliance tests.
VESA DisplayPort - Authorized Test Centers (ATC)
http://www.vesa.org/displayport-developer/compliance/
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