High-Definition Multimedia Interface (HDMI) 2.0 Source/Sink Impedance Compliance Tests Test Solution Overview Using the Agilent E5071C ENA Option TDR Last update: 2014/06/02 (HK) Purpose This slide will show how to make measurements of High-Definition Multimedia Interface (HDMI) 2.0 Source/Sink Impedance Compliance Tests using the Agilent E5071C ENA Option TDR. Leadership in Developing Future Standards • JEDEC, Board of Directors, Perry Keller • PCI-SIG, Board of Directors, Rick Eads • VESA, Board of Directors, Brian Fetz • MIPI, Contributing Member, Roland Scherzinger • HDMI, Contributing Member, Stefan Friebe • USB, Contributing Member, Jim Choate • Serial ATA (SATA), Contributing Member, Min-Jie Chong • IEEE 802.3 Ethernet, Greg Le Cheminant • OPT TRX WAN, Stefan Loefflar Agilent experts helping define next generation standards, and solutions HDMI 2.0 test solution overview from Agilent Source Test N5399C HDMI Electrical Compliance Test Software SW HW Cable Assembly Test (HDMI 1.4b) Sink Test (ParBERT) Sink Test (AWG) Protocol Test N5990A Automatic SW for HDMI compliance N5990A Automatic SW for HDMI compliance U4998A SW for HDMI compliance E5071C Option TDR ENA Network Analyzer DSO90000A Infiniium real time scope 13 GHz U4998A (N5998A) HDMI 1.4 protocol analyzer/ generator E4887A ParBERT TMDS Signal Generator M8190A AWG Protocol Test on U4998A is supported up to HDMI 1.4b new Cable Emulator Signal Conditioning Fixture BIT-1010-0200-0 DUT N1080B BIT-1010-0201-0 Tx BIT-1010-0201-0 Rx Source Cable Sink Rx Sink For HDMI 2.0 third party protocol testers are Txsupported in Valiframe SW Source Rx Reference Document • High-Definition Multimedia Interface (HDMI) Specification Version 2.0 • High-Definition Multimedia Interface (HDMI) Version 2.0 Compliance Test Specification HDMI 2.0 Compliance Test – TMDS Electrical Tests HF1-9 (Source) and HF2-4 (Sink) Differential Impedance are measured with TDR/TDT Network Analyzer Source TMDS Electrical 6G Tests 1 VL and Vswing 2 TRISE, TFALL … 9 Differential Impedance Other Source TMDS Electrical test items are measured with Digital Oscilloscope … Sink TMDS Electrical 6G Tests 1 Min/Max Differential Swing Tolerance 2 Intra-Pair Skew … 4 … Differential Impedance Other Sink TMDS Electrical test items are measured with Signal Generator HDMI Source/Sink Impedance Compliance Test Measurement Parameters Time Domain Measurements • HF1-9: Source TMDS Electrical – 6G – Differential Impedance • HF2-4: Sink TMDS Electrical – 6G – Differential Impedance HDMI Source/Sink Impedance Compliance Test Test Setup Example - Source TMDS Differential Impedance Measurement • Measure source impedance characteristics on each TMDS data differential pairs: D0, D1, and D2 under actual operating condition. • • • • • • Differential SMA Adapter (Agilent N5380B) [Qty 3] Power Supply (e.g., Agilent E3630A, E3640A) [Qty 1] Banana-BNC(f) Adapter (e.g., Agilent P/N 1251-2277) [Qty 2] BNC Tee Adapter(f-m) (e.g., Agilent P/N 1250-0781) [Qty 1] BNC Cable(m-m) (e.g., Agilent P/N 8120-1838) [Qty 3] BNC(f)-SMA(m) Adapter (e.g., Agilent P/N 1250-1200) [Qty 3] HDMI Source/Sink Impedance Compliance Test Configuration •ENA Mainframe (*1) •E5071C-285/485: 2/4-port, 100 k to 8.5 GHz •E5071C-2D5/4D5: 2/4-port, 300 k to 14 GHz •E5071C-2K5/4K5: 2/4-port, 300 k 20 GHz •Enhanced Time Domain Analysis Option (E5071C-TDR) •ECal Module HDMI Test Fixtures Agilent • N1080B-H06 HDMI EDID Board •N4431B for E5071C-285/485 •N4433A for E5071C-2D5/4D5/2K5/4K5 *1: Select one of test set options. *2: The list above includes the major equipment required. Please contact our sales representative for configuration details. + • Method of Implementation (MOI) document available for download on HDMI Adopter Extranet (you must be a current adopter). • State files for the ENA Option TDR are available on Agilent Website. • For more details: www.agilent.com/find/ena-tdr_hdmi-txrx MOI (Method of Implementation) Step-by-step procedure on how to measure the specified parameters in the specification document using ENA Option TDR. BitifEye (Type A or Type D) • BitifEye Bit-1010-0200-0 HDMI 2.0 Type A Source Test Plug Adapter Kit or • BitifEye Bit-1010-0275-0 HDMI 2.0 Type D Test Plug Adapter Kit HDMI Source/Sink Impedance Compliance Test Measurement Example • Source differential impedance measurement example while the DUT outputs 6Gbps signal (actual operating condition). Differential Impedance Differential Return Loss Hot TDR Measurements Why Measure? •Hot TDR measurement is the impedance analysis of active devices under actual operation conditions. •Typically, impedance of the device in the OFF state and ON state (Hot TDR) is significantly different. Impedance may vary with the data rate as well. TDR(Time Domain) Return Loss (Freq Domain) 1333Mbps (active) dB ohm OFF 334Mbps (active) 1G 666M 2G 3G 4G 5G 6G freq(Hz) 11 Hot TDR Measurements Why Measure? 1. Signal transmitted from Tx … Tx 3. Re-reflection from Tx due to impedance mismatches ... Channel Eye Degradation Rx 2. Partial reflection from Rx due to impedance mismatches … 12 Hot TDR Measurements Why Measure? Source Termination Effects Source Impedance NOT Matched Source Impedance Matched 13 Advantages of VNA Based Solution Tx Test signal level is adjustable. t t t Narrowband receiver minimizes the effects of the data signal from the transmitter fc freq Internal bias-tee is available to apply DC Bias. +3.3V time In many cases, averaging is not necessary to obtain a stable waveform. 14 Advantages of VNA Based Solution ESD Robustness ENA has ESD protection circuits inside ESD Survival: IEC 801-2 Human Body Model. (150 pF, 330 Ω) RF Output Center pins tested to 3,000 V, 10 cycles Proprietary ESD protection chip significantly increase ESD robustness, while at the same time maintaining excellent RF performance (22ps rise time for 20GHz models). 15 Agilent HDMI Compliance Test Solutions Electrical / Cable Assembly Source/Sink (HDMI 2.0) DSO90000A Infiniium Digital Oscilloscope Source Test (HF1-x) TDR/TDT Network Analyzer Source Test (HF1-9), E5071C ENA Option TDR and Sink Test (HF2-4) TMDS Signal Generator Sink Test (HF2-x) E4887A ParBERT M8190A AWG Cable Assembly (HDMI 1.4b*) TDR/TDT Network Analyzer Cable Assembly Test E5071C ENA Option TDR * HDMI 2.0 features will work with existing HDMI cables (Category 2 cables defined in HDMI 1.4b). ENA Option TDR Compliance Test Solution Certified MOIs available at www.agilent.com/find/ena-tdr_compliance Cable/Connector/Interconnect Transmitter/Receiver (Hot TDR/Hot Return Loss) 10GBASE-KR/ 40GBASE-KR4 Time & Frequency Frequency Time & Frequency Time & Frequency 100BASE-TX 10GBASE-T Time & Frequency Time & Frequency Time & Frequency Time & Frequency Frequency * Time & Frequency Time & Frequency Time 10GBASE-KR Time & Frequency BroadR-Reach Time & Frequency Time & Frequency * More Standards Currently Under Investigation * For more detail about Thunderbolt and BroadR-Reach compliance test solution using the ENA Option TDR, contact Agilent sales representative. 17 ENA Option TDR Compliance Test Solution Certified Test Centers using ENA Option TDR Test Centers Support ENA Option TDR ENA Option TDR is used world wide by certified test centers of USB, HDMI, DisplayPort, MHL, Thunderbolt and SATA. 18 HDMI Compliance Test Solution Summary ENA Option TDR Compliance Testing Solution is …. •One-box solution which provides complete characterization of high speed digital interconnects (time domain, frequency domain, eye diagram) •Similar look-and-feel to traditional TDR scopes, providing simple and intuitive operation even for users unfamiliar to VNAs and S-parameters •Adopted by test labs worldwide Questions? Agilent VNA Solutions PNA-X, NVNA Industry-leading performance 10 M to 13.5/26.5/43.5/50/67 GHz Banded mm-wave to 2 THz PNA Performance VNA 10 M to 20, 40, 50, 67, 110 GHz Banded mm-wave to 2 THz PNA-L World’s most capable value VNA 300 kHz to 6, 13.5, 20 GHz 10 MHz to 40, 50 GHz E5072A FieldFox Best performance ENA 30 kHz to 4.5, 8.5 GHz E5071C World’s most popular economy VNA 9 kHz to 4.5, 8.5 GHz 300 kHz to 20.0 GHz E5061B NA + ZA in one-box 5 Hz to 3 GHz Low cost RF VNA 100 k to 1.5/3.0 GHz Handheld RF Analyzer 5 Hz to 4/6 GHz ENA Series Mm-wave solutions Up to 2 THz PNA-X receiver 8530A replacement PNA Series What is ENA Option TDR? The ENA Option TDR is an application software embedded on the ENA, which provides an one-box solution for high speed serial interconnect analysis. Time Domain Frequency Domain 3 Breakthroughs for Signal Integrity Design and Verification Simple and Intuitive Operation Eye Diagram Fast and Accurate Measurements ESD protection inside ESD Robustness What is ENA Option TDR? [Video] Agilent ENA Option TDR Changing the world of Time Domain Reflectometry (TDR) Measurements •www.youtube.com/watch?v=hwQNlyyJ5hI&list=UUAJAjd97CfnCehC4jZAfkxQ&index=20&feature=plcp •www.agilent.com/find/ena-tdr Additional Resources •ENA Option TDR Reference Material www.agilent.com/find/ena-tdr •Technical Overview (5990-5237EN) •Application Notes •Correlation between TDR oscilloscope and VNA generated time domain waveform (5990-5238EN) •Comparison of Measurement Performance between Vector Network Analyzer and TDR Oscilloscope (5990-5446EN) •Effective Hot TDR Measurements of Active Devices Using ENA Option TDR (5990-9676EN) •Measurement Uncertainty of VNA Based TDR/TDT Measurement (5990-8406EN) •Accuracy Verification of Agilent’s ENA Option TDR Time Domain Measurement using a NIST Traceable Standard (5990-5728EN) •Method of Implementation (MOI) for High Speed Digital Standards www.agilent.com/find/ena-tdr_compliance HDMI Compliance Test Solution Overview Covered by ENA Option TDR • ENA Option TDR Compliance Testing Solution is one-box solution which provides complete characterization of interconnects: Time Domain, Frequency Domain, and Eye Diagram Analysis HDMI 1.4b Cable Assembly* HDMI 2.0 Source/Sink Time Domain •Intra-Pair Skew •Inter-Pair Skew •Differential Impedance •Differential Impedance (HF1-9, HF2-4) Frequency Domain •Far-end crosstalk •Attenuation and Phase n/a •Data Eye Diagram n/a Eye Diagram Analysis * No new cable spec/test defined in HDMI 2.0. One-box Solution !! HDMI 2.0 Measurement Example 次世代HDMIの測定チャレンジ インピーダン ス測定編 2013年10月1日 26 HDMI Source Impedance Measurement Example HDMI data pattern Tx VNA output signal t t t Reflected signal The transmitter spurs contribute significant measurement errors, resulting in highly unstable results. (same as sampling scope) With wide IF BW: Transmitter spurs IF BW = 70kHz freq 27 HDMI Source Impedance Measurement Example HDMI data pattern Tx VNA output signal t t t Reflected signal Narrow IFBW setting reduces the effects of the transmitter spurs. In many cases, averaging is not necessary to obtain a stable waveform. With narrow IF BW: IF BW = 1kHz freq 28