Avateq, NXP and Xilinx join to meet design challenge

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1 Avateq, NXP and Xilinx join to meet design challenge Rev April 2012 White paper Document information Info Content Author(s) Alex Babakhanov Director of Marketing, Avateq Corporation; Maury Wood General Manager, High-Speed Converters,

2 1. Introduction Conversion to digital broadcast technologies requires transmission stations to handle high bandwidth data, video and audio signals. New modulation techniques and new air interface standards such as ATSC, ATSC-M/H, ISDB-T, DRM, and DVB-T/H/T2 have been introduced to allow for increased data throughput, and more robust and reliable coverage for consumers. With the increasing emphasis on "green" industrial equipment design, maximizing the efficiency of transmission station RF power amplifiers has become an important issue in digital broadcast equipment design. In response to these new challenges, Avateq Corp. (Toronto, Ontario, has developed a state-of-the-art ActiveCore platform. Targeted at the digital audio and TV broadcasting industry, the platform offers a means to improve broadcasting transmitter efficiency and functionality. It combines the most innovative and leading-edge functionality: RFin - RFout adaptive linear and non-linear DPD with a high performance signal PAR reduction core echo and feedback interference canceler broadcasting signal monitoring receiver The platform uses high speed converters from (Eindhoven, The Netherlands, compliant with the JEDEC JESD204A standard. Avateq has developed related DSP system logic using cost-effective Xilinx, Inc. (San Jose, CA, Spartan-6 FPGAs. Utilizing RF power amplifiers to maximize output power and minimize operating expense, Avateq's ActiveCore Platform uses proprietary algorithms developed with exceptional versatility and flexibility. ActiveCore supports all major transmission standards and is independent of signal modulation schemes (including proprietary modulation schemes used in hybrid "satellite-terrestrial" digital broadcasting in North America). Due to its versatile RFin - RFout design, ActiveCore line of products may be easily added to currently deployed transmitters and repeaters, including multi-channel transmitters from many manufacturers. By integrating the ActiveCore Platform into a digital transmitter system, a broadcasting equipment manufacturer adds enhanced functionality to the whole system and, therefore, increases practical value for its product. The effectiveness of Avateq's design has been proven with a range of power amplifiers built on different fabrication process technologies and operating across various frequency ranges including UHF/VHF, L-band and S-band. ActiveCore is operational-ready for signal envelope tracking capability as industry requirements emerge. The platform also provides monitoring receiver functionality, allowing the transmitted signal to be analyzed in terms of Modulation Error Ratio (MER)/SNR, as well as spectral and standard specific parameters. Avateq's ActiveCore platform design uses ADC1613D125 and DAC1408D750, both of which are CGV high speed data converters. CGV is NXP's implementation of the JEDEC JESD204A digital high speed serial interface standard. NXP's CGV converters provide the opportunity to isolate the noise-sensitive mixed-signal and linear circuits a comfortable distance from the digital processing subsystem and enable easy signal trace routing in a densely populated PCB, according to Vladimir White paper Rev April of 5

3 Anishchenko, the president of Avateq. The CGV implementation of JESD204A is a superset of the standard requirements and the isolation between ADCs and DACs and their associated logic devices can typically reach to 50 cm and beyond. and Xilinx have collaborated on JESD204A/B interoperability, and the Avateq's development is clear evidence of seamless interworking between the Spartan-6 FPGA and CGV high speed converters. Xilinx FPGAs enable new broadcast technology innovation such as the breakthroughs Avateq has achieved in this new ActiveCore platform. For example, the Spartan-6 LXT includes 3.2 Gbps GTP transceivers, which are ideal for JESD204A interface implementation. Avateq's ActiveCore line of products will be available to customers in the first half of More information on Avateq's innovative broadcast engineering solutions can be found at Xilinx Spartan-6 FPGA SP605 evaliation board SP605-ADC1613D125 SFP adaptor (AVQ-SP6ADC-SFP) NXP ADC1613D125 W/0 DB PCB data converter board SP605-ADC1613D125 FMC adaptor (AVQ-SP6ADC-FMC) aaa Fig 1. Avateq s ADC1613D125 development system White paper Rev April of 5

Xilinx Spartan-6 FPGA SP605 evaliation board SP605-DAC1408D650 SFP adaptor (AVQ-SP6DAC-SFP) NXP DAC1408D650 W/0 DB SP605-DAC1408D650 FMC adaptor (AVQ-SP6DAC-FMC) aaa-002684 Fig 2.

4 Xilinx Spartan-6 FPGA SP605 evaliation board SP605-DAC1408D650 SFP adaptor (AVQ-SP6DAC-SFP) NXP DAC1408D650 W/0 DB SP605-DAC1408D650 FMC adaptor (AVQ-SP6DAC-FMC) aaa Fig 2. Avateq s DAC1408D650 development system 2. Abbreviations Table 1. Acronym ADC DAC DPD DSP FPGA GSM IP LTE MER PAR PCB SNR UHF VHF Abbreviations Description Analog-to-Digital Converter Digital-to-Analog Converter Digital Pre-Distortion Digital Signal Processor Field-Programmable Gate Array Global System for Mobile communications Intellectual Property Long-Term Evolution Modulation Error Ratio Peak-to-Average Ratio Printed Circuit Board Signal-to-Noise Ratio Ultra High Frequency Very High Frequency White paper Rev April of 5

5 3. Legal information 3.1 Trademarks Notice: All referenced brands, product names, service names and trademarks are the property of their respective owners. All rights reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. No liability will be accepted by the publisher for any consequence of its use. Publication thereof does not convey nor imply any license under patent- or other industrial or intellectual property rights. For more information, please visit: For sales office addresses, please send an to: Date of release: 11 April 2012 Document identifier:

JESD204A for wireless base station and radar systems

JESD204A for wireless base station and radar systems for wireless base station and radar systems November 2010 Maury Wood- NXP Semiconductors Deepak Boppana, an Land - Altera Corporation 0.0 ntroduction - New trends for wireless base station and radar systems