Keysight Technologies M9451A-DPD PXIe Measurement Accelerator with Digital Pre-Distortion & Envelope Tracking Gateware Data Sheet 02 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Overview The M9451A-DPD shows what is possible when you combine state-of-the art FPGAs with Keysight Technologies, Inc.’s trusted measurement expertise and PXIe high speed data handling. The trusted DPD and ET measurement algorithms were built after years of close cooperation with leading wireless manufacturing customers. As part of Keysight’s RF PA/FEM Characterization and Test, Reference Solution, this combination provides unprecedented performance for demanding envelope tracking and digital pre-distortion measurements required for testing modern power amplifiers (PAs) and front-end modules (FEMs). Hardware acceleration provides better than 10x speed improvement over Keysight’s previous host-based Reference Solution, with closed/open loop digital pre-distortion (DPD) and envelope tracking (ET) measurements taking just tens of milliseconds and overall measurement times less than 100 msec. Applications –– Power amplifier testing –– Front-end module testing –– Envelope tracking –– Digital pre-distortion Key Features The M9451A-DPD significantly speeds up DPD/ET test applications that use the N7614B Signal Studio Power Amplifier Test software. To simplify porting, the M9451A-DPD’s application programming interface (API) is very similar to the N7614B API. Key features include: Digital Pre-Distortion –– Open or closed loop –– PA optimization techniques: Look up table (LUT) –– Fast peer-to-peer (P2P) data transfer to/from PXI signal generator and signal analyzer Envelope Tracking –– Hardware accelerated envelope tracking waveform generation –– Fast data transfer to arbitrary waveform generator (AWG) 03 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Block Diagram: Digital Pre-Distortion and Envelope Tracking AWG Envelope shaper Shaping PCIe® V DAC PS Envelope LUT (coefficients) IQ Reference LUT Pre-distorter Peer-to-peer (over PCIe) IQ VSG RF DAC PA In Model extraction PA AM-AM, AM-PM PA Out IQ Peer-to-peer (over PCIe) The highlighted box shows the key functions of the digital pre-distortion (DPD) and envelope tracking (ET) gateware in the M9451A PXIe measurement accelerator. Data cylinders are allocated blocks of IQ data in the M9451A memory. Rectangles represent algorithms implemented in the accelerator. Test software controls how data is processed by passing “data handles” associated with each data cylinder to the API method associated with each algorithm rectangle. Peer-to-peer (P2P) PCI Express ® technology is used to achieve fast data transfers between the M9451A memory and the M9381A PXIe vector signal generator (VSG) hardware. The ideal reference waveform, without pre-distortion, is first loaded into the M9381A PXIe VSG ARB memory and then transferred to the M9451A using P2P. After the model extraction algorithm computes a lookup table (LUT), or other coefficients, the pre-distorter creates a pre-distorted waveform in the PA In cylinder. P2P is used to transfer the pre-distorted waveform data to the VSG ARB memory. P2P PCI Express technology is also used to transfer measurement data from the M9391A or M9393A PXIe vector signal analyzer hardware to the M9451A hardware. VSA ADC RF 04 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet The M9451A-DPD PXIe measurement accelerator with DPD and ET gateware consists of two key parts: 1. 2. M9451A PXIe measurement accelerator with an IVI driver and soft front panel (SFP). The IVI driver provides API access to accelerator configuration and initialization features. The SFP provides diagnostic information and tools to update the M9451A gateware. Option DPD adds the ET and DPD acceleration software library and associated FPGA gateware that executes in the M9451A hardware. The library’s API is modeled after the N7614B Signal Studio for Power Amplifier Test software. To utilize the M9451A-DPD as part of your test software, example open source code is available as part of the Keysight RF PA/FEM Characterization and Test, Reference Solution. For more information about the Reference Solution, visit www.keysight.com/ find/solution-padvt. Technical Characteristics Definitions for characteristics Characteristics Characteristics describe performance that the product is expected to meet before it leaves the factory, but that is not verified in the field and is not covered by the product warranty. A characteristic includes the same guardbands as a specification. Characteristics are often referred to as typical or nomal values. Data represented in this document are characteristics unless otherwise indicated. Best practices To ensure proper cooling, use Keysight slot blockers (Y1212A), filler panels (Y1213A), and the air inlet module kit (Y1214A) in the chassis when there are empty slots. Keysight chassis and filler panels optimize module temperature performance. At environmental temperatures > 40ºC, chassis fans should be set to high. Additional information The specifications contained in this document are subject to change. 05 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Technical Characteristics General characteristics Module characteristics Bus interface & compatibility PXI Express peripheral module (x1, x4, x8 PCIe specification v 2.1) FPGA Altera Stratix V “A7” (5SGXMA7K3F40C2) Memory 4GB DDR3 memory [2 independent DDR3 banks @ 1200 MT/s (600 MHz) each] Front panel connectors Test port (factory use only) Micro-B USB connector Mechanical characteristics Dimensions H x W x D in mm 3U/1-slot PXIe standard 130.1 x 21.7 x 210 mm Weight 440 g DC power requirements DC supply Typical Maximum DC supply current + 3.3 V + 12 V 1.0 A 1.4 A 2.0 A 3.2 A Power dissipation 20 W 45 W Option DPD digital pre-distortion and envelope tracking characteristics Digital pre-distortion Supported DPD models Look-up table model (LUT) Minimum waveform length 256 samples Maximum waveform length 4,194,304 samples Results available AM-AM and AM-PM DPD look-up table Table size 2 to 256. Default value set to 128. Polynomial order of curve fit 3 to 12. Default value set to 5. Results available LUT, D-EVM Envelope tracking Delay of envelope (in seconds) Fractional. Range depends on sample rate and number of samples. Oversampling ratio Fractional. 1.0 to 1000.0. Default value set to 3.0. Magnitude scale factor 0.0 to 10.0. Default value set to 1.0. Envelope scale factor (V per DAC count) 1 µV to 1 V. Default value set to 10 V per 65536 DAC counts. Envelope reference voltage Range depends on scale factors 06 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Technical Characteristics (continued) Environmental characteristics and regulatory Environmental characteristics Operating and storage conditions Temperature 0 to 55 °C (operating) -40 to +70 °C (storage) Humidiity Maximum 95% at 40°C (non-condensing) Altitude 3,000 meters, de-rate max temperature by 5 °C above 2,000 meters Mechanical (type tested ) 1 Operating vibration 5-500 Hz: 0.21 g RMS, random 5-500 Hz: 0.5 g (0 to peak), swept sine Survival random vibration 5-500 Hz: 2.10 g RMS, random Transportation shock 125 G, 8.6 m/s, trapezoidal pulse End use handling shock 1.6 m/s, <3 msec duration, half-sine pulse Regulatory Safety IEC/EN 61010-1 EMC IEC/EN 61326-1 Basis EM Environments, Table 1 IEC/EN 61000-4-2 ESD 4 kV CD, 8 kV AD IEC/EN 61000-4-3 RI 3 V/m: 80-1000 MHz 3 V/m: 1.4-2 GHz 1 V/m: 2-2.7 GHz IEC/EN 61000-4-4 EFT/B 0.5 kV signal/control lines 1 kV AC mains IEC/EN 61000-4-5 Surge 0.5 kV L-L 1 kV L-PE IEC/EN 61000-4-6 CI 3V, 0.15 – 80 MHz IEC/EN 61000-4-8 Mag 3 A/m (tested to 30 A/m) IEC/EN 61000-4-11 Dips/Inter. ½ cycle and 1 cycle @ 0% 5 seconds @ 70% CISPR 11+A1, EN 55011+A1 Group 1 Class A 1. Type tested in a Keysight M9018A PXIe 18-slot chassis. 07 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Software Instrument connection software Keysight IO library The IO library suite offers a single entry point for connection to the most common instruments including AXIe, PXI, GPIB, USB, Ethernet/ LAN, RS-232, and VXI test instruments from Keysight and other vendors. It automatically discovers interfaces, chassis, and instruments. The graphical user interface allows you to search for, verify, and update IVI instrument and soft front panel drivers for modular and traditional instruments. The IO suite safely installs in side-by-side mode with NI I/O software. Free software download at www.keysight.com/find/iosuite The PXI module includes a soft front panel (SFP), a software based graphical user interface (GUI) which enables the instrument’s capabilities from your PC. Available online Module setup and usage Keysight soft front panel Programming Driver Development environments lVI-COM IVI-C MATLAB Visual Studio (VB.NET, C#, C/C++) LabVIEW, LabWindows/CVI, MATLAB Available online Assists in finding the right instrument commands and setting correct parameters. A simple interface includes documentation, examples, syntax checking, command execution, and debug tools to build sequences for integration in Excel, MATLAB, Visual Studio, LabVIEW, VEE, and SystemVue. Free software download at www.keysight.com/find/commandexpert Each module includes programming examples for Visual Studio.net, LabVIEW, MATLAB, LabWindows, and Keysight VEE Pro. Available online Programming assitance Command Expert Programming examples 08 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Support and Warranty Warranty Global warranty Keysight’s warranty service provides standard coverage for the country where product is used. –– All parts and labor necessary to return to full specified performance –– Recalibration for products supplied originally with a calibration certificate –– Return shipment Included Standard Return to Keysight warranty – 3 years 15 days typical turnaround repair service Included R-51B-001-5Z Return to Keysight warranty – 5 years 15 days typical turnaround repair service R-51B-001-3X Express warranty 3 years The express warranty upgrades the global warranty to provide, for 3 years, a 5 day typical turnaround repair service in the US, Japan, China and many EU countries. Optional R-51B-001-5X Express warranty 5 years The express warranty upgrades the global warranty to provide, for 5 years, a 5-day typical turnaround repair service in the US, Japan, China and many EU countries. Optional Core exchange program Keysight’s replacement core exchange program allows fast and easy module repairs. A replacement core assembly is a fully functioning pre-calibrated module replacement that is updated with the defective module serial number, allowing the replacement module to retain the original serial number. For qualified self maintainers in US only Self-test utility A self-test utility runs a set of internal tests which verifies the health of the modules and reports their status. Included in base configuration Support 09 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet Configuration and ordering information Supported hardware This associated hardware is currently supported by the M9451A-DPD as part of Keysight’s RF PA/FEM Characterization and Test Reference Solution: –– M9381A PXIe vector signal generator –– M9391A PXIe vector signal analyzer –– M9393A PXIe performance vector signal analyzer –– Signadyne SD AOU-H3353 200MHz, 2-ch, arbitrary waveform generator Ordering information These items must be ordered together: –– M9451A PXIe measurement accelerator –– M9451A-DPD Digital pre-distortion & envelope tracking gateware Additional ordering information is available in the Keysight RF PA/FEM Characterization and Test, Reference Solution Configuration Guide, literature number 5992-0072EN. Related products –– Keysight RF PA/FEM Characterization and Test, Reference Solution: www.keysight.com/find/solution-padvt –– M9381A PXIe vector signal generator www.keysight.com/find/M9381A –– M9391A PXIe vector signal analyzer www.keysight.com/find/M9391A –– M9393A PXIe performance vector signal analyzer www.keysight.com/find/M9393A –– M9195A PXIe digital stimulus/response www.keysight.com/find/M9195A –– N7614B Signal Studio PA test software www.keysight.com/find/N7614B 10 | Keysight | M9451A PXIe Measurement Accelerator - Data Sheet myKeysight www.keysight.com/find/mykeysight A personalized view into the information most relevant to you. www.pxisa.org PCI eXtensions for Instrumentation (PXI) modular instrumentation delivers a rugged, PC-based high-performance measurement and automation system. Three-Year Warranty www.keysight.com/find/ThreeYearWarranty Keysight’s commitment to superior product quality and lower total cost of ownership. The only test and measurement company with three-year warranty standard on all instruments, worldwide. Keysight Assurance Plans www.keysight.com/find/AssurancePlans Up to five years of protection and no budgetary surprises to ensure your instruments are operating to specification so you can rely on accurate measurements. www.keysight.com/go/quality Keysight Technologies, Inc. DEKRA Certified ISO 9001:2008 Quality Management System Keysight Infoline www.keysight.com/find/service Keysight’s insight to best in class information management. Free access to your Keysight equipment company reports and e-library. Keysight Channel Partners www.keysight.com/find/channelpartners Get the best of both worlds: Keysight’s measurement expertise and product breadth, combined with channel partner convenience. PCI-SIG®, PCIe® and the PCI Express® are US registered trademarks and/or service marks of PCI-SIG. For more information on Keysight Technologies’ products, applications or services, please contact your local Keysight office. The complete list is available at: www.keysight.com/find/contactus Americas Canada Brazil Mexico United States (877) 894 4414 55 11 3351 7010 001 800 254 2440 (800) 829 4444 Asia Pacific Australia China Hong Kong India Japan Korea Malaysia Singapore Taiwan Other AP Countries 1 800 629 485 800 810 0189 800 938 693 1 800 11 2626 0120 (421) 345 080 769 0800 1 800 888 848 1 800 375 8100 0800 047 866 (65) 6375 8100 Europe & Middle East Austria Belgium Finland France Germany Ireland Israel Italy Luxembourg Netherlands Russia Spain Sweden Switzerland www.keysight.com/find/M9451A www.keysight.com/find/solution-padvt United Kingdom 0800 001122 0800 58580 0800 523252 0805 980333 0800 6270999 1800 832700 1 809 343051 800 599100 +32 800 58580 0800 0233200 8800 5009286 800 000154 0200 882255 0800 805353 Opt. 1 (DE) Opt. 2 (FR) Opt. 3 (IT) 0800 0260637 For other unlisted countries: www.keysight.com/find/contactus (BP-04-23-15) This information is subject to change without notice. © Keysight Technologies, 2015 Published in USA, June 2, 2015 5992-0773EN www.keysight.com