Emerging CATV Networks and Solutions Microwave Journal Webinar – November 17, 2009 Presenters: Brian Bauer and Chris Day Agenda Cable trends and evolution Process technology for cable TriQuint’s TriAccess™ product line: The melding of evolving network needs with appropriate process technologies 2 Consumer Drivers More High Definition TV, Ultra HDTV, 3DHD More On-Demand Video, Personalized Content Reliable Telephony, High QOS Higher-Speed Data: Streaming Video, Peer to Peer 3 Architecture: How Delivered Shared Bandwidth Driving Fiber Deeper, Unique Content Driving Bandwidth Re-Use 4 What is the CATV Spectrum? More Switched 5 50 1000 500 Frequency (MHz) 5 Network Evolution Downstream Networks being upgraded to 1 GHz Conversion to digital, and increased modulation rates Frequency reuse, switched bandwidth Addition of data channels to increase data rates Upstream Return bandwidth is limited, expanding with more return paths Advanced modulation to overcome narrow bandwidth Hybrid Fiber Coax Broadcast Analog TRADITIONAL CATV LINEUP Fiber Deep All Digital EXPANDED CONTENT WITH DIGITAL TIERS FTTH Switched Digital FULL SERVICE INDIVIDUAL CONTENT 6 Network Evolution Consensus 1 GHz, all digital signal, demands – High-gain line amplifiers to keep current spacing – MER performance Fiber deep – Low-noise, high-sensitivity receivers – High-output node amplifiers to eliminate the need for amplifier cascades Switched bandwidth, increase in headend equipment – Higher density – Thermal management – Fewer fins and fans 7 New Components: Reduce Costs & Increase Revenues Component Feature Benefit to Operator Higher RF Output Reduced Cap Ex Increased bandwidth & revenue Higher Efficiency Improved Op Ex : green Improved reliability (lifeline) Lower Noise Optical Receiver Easier installation Reduced Cap Ex (EDFA costs) Higher Integration Easier rollout of IP services 8 Combined Strength of Technologies State-of-the-art technologies – For low noise, high gain – For high voltage Class A Optimized design – For power consumption – For CATV specific needs Highly integrated modules – Single package, multi-stage amplifier – Size reduction - higher density Process Technology Component Design Module Integration 9 Process Technologies Integration Filtering E/D pHEMT, BiHEMT, Passives Interconnect, Modules SAW, BAW, Wafer Level Package Improved Linearity HBT, Linear pHEMT, HFET Higher Power GaN, HV HBT, HV pHEMT Higher Frequency mHEMT, Ka-band GaN 10 TriQuint FET Technologies 70V GaN 0.25um 0.35um PWR Ft TQTRx 0.6um E/D MESFET 0.25um XKu TQPED 0.5um E/D pHEMT 0.25um mmW 25GHz TQP25 0.25um pHEMT TQP15 0.15um pHEMT 0.15um PWR TQP13N 0.13um D pHEMT 75 mm 100 mm 150 mm Yellow=Development 135GHz 0.15um mHEMT 5V Breakdown Voltage 11 TriQuint Technology Fit for CATV Higher BV technologies (HV MESFET, HV HBT, GaN) – Enable more bandwidth for digital / IP sources of revenue – Reduce points of failure and lower maintenance costs Higher linearity techniques (linearization, HBT) – Increased IP3 / DC ratio: more green network – Cooler enclosures, lower power bills Lower noise technologies (high gain E/D pHEMT) – Extends fiber reach into network – Single supply voltage 12 TriQuint High Breakdown Technologies Dominant provider of HV MESFETs to CATV industry – Proven reliability, performance, cost / yields – 6” wafer fab in volume facility HV HBT capability – Optimized collector for rugged infrastructure operation – High-efficiency base station applications – 24V CATV hybrids Recognized leadership in GaN technology – Higher speed for >1 GHz applications – Recent $16.2M DARPA Award – High dynamic range E/D mode 13 TriQuint Low Noise Technologies for Video Super high gain 0.5um E/D pHEMT process – High gm/mm (600mS/mm) enables high gain LNAs – Reduces input noise (<4pA/rtHz) for critical TIA applications 0.25um pHEMT – Satellite content delivery over fiber: Japan Short length FETs (0.13um pHEMT and 0.15um mHEMT) – – – – Future telco video delivery model: 10Gbps PON Superior input noise over SiGe and CMOS 6” wafer fab in volume facility > 40Gbps core applications 14 Higher gm/mm Lowers Manufacturing Cost Gain and return losses set by interaction of devices and feedback 2 id 2 1 3 The higher the gm in a feedback amplifier, the less it matters – TriQuint 0.5um E/D pHEMT has exceptionally high gain – About 3x the gm/mm of MESFET Lower cost from reduced tuning vgs 3 vgs Rs gm = id 1 id vgs Degeneration resistor gm gmd = 1 + Rs*gm FIG. 2 Effect of degeneration series feedback Rs on trans-conductance gm As gm large, gmd 1/Rs 15 Component Design: On-Chip Linearization Intentionally generate distortion to get destructive interference with main amplifier Early use of fiber in CATV required pioneering work in pre-distortion Similar techniques may be adapted for RFICs – Design flexibility for enhanced techniques – Reduced parasitics improves phase alignment over wider bandwidths – >10 dB broadband 3rd order improvement – Small additional cost – Can be used to reduce power consumption by 40% 16 Integration RF Modules Process Technologies Power Amplifier GaAs HBT or pHEMT Switches GaAs pHEMT Integrated Passives GaAs RF Module Products FE Module PA Module PA Duplexer Transmit Module Filters & Duplexers SAW or BAW Filter Bank 17 QFN MCM Examples Rx Downconverter – – – – – – 6x6mm QFN 1 mixer 4 amplifiers 2 switches 7 passives 4 different technologies Dual Channel Downconverter – – – – – 6x6mm QFN 2 mixer 3 amplifiers 1 passives 3 different technologies VGA, 2-stage, 1W Amp – – – – – 6x6mm QFN 1 amplifier, 2-stage 3 diodes 3 passives 3 different technologies 18 CATV Product Roadmap Infrastructure CPE Today Home Amplifier RFoG Next Generation Integrated Splitter All Digital RFoG MCM Receivers Gain Blocks Line Amp MMICs Linearized MCM Line Amps Headend Return Path Rcvr DOCSIS® 3.0 Gain Blocks Linearized MCM Linearized Gain Block 19 Edge QAM Requirements Low-power consumption DOCSIS® 3.0 compliance Small footprint TriQuint Solutions 5-8 volt, optimized for ACPR GaAs pHEMT On-chip linearization 50% power savings 20 CATV Infrastructure MMICs – Hybrids in HFC Node Transimpedance Amp: Low Noise Low Distortion Initial Stage: High Gain Med Power Output Stage: High Linearity High Power Doubler 88x7 Doubler 88x7 TIA 7469 Push-Pull 88x8 Doubler 88x7 Doubler 88x7 TriQuint Solutions HV processes On-chip linearization High-gain processes Confidential & Proprietary 21 Home Amplifiers Requirements Extra gain for more HDTVs Meet Time Warner and Cox specifications Technical Solution 16, 18, 22dB gain levels Single ended part for economics 22 Receivers: FTTH and RFoG Requirements 20 km reach Optimized for noise TriQuint Solution Low-noise process Optimized 23 TriQuint TriAccess™ Product Portfolio Edge QAM Amplifiers CATV Infrastructure General Purpose Amplifiers FTTH Receivers Subscriber Amps, STB TAT7469 TAT8852* PP AH2 TAT6254C AG606 TGA2801 TAT8857* PD AH22 TAT6254D TAT7461 TAT7467H TAT8858* PP AG606 TAT7477* TAT7457 TGA2803/6 TQP200002 TAT7460 TAT6280* TAT7427 TGA2807 TAT7464 TAT7430B TAT7407* TAT7466 SAW filters TAT2812* TAT7472 TAT7400* *Pre-production 24 Summary Cable network evolving – Increasing revenues – Reduced operating expenses – Competitive architectures TriQuint has a breadth of technologies to address these changes TriQuint’s TriAccess™ product line matches the evolving network needs with appropriate process technologies 25 Want to learn more? Visit TriQuint’s website: Cable / FTTH product tables – http://www.triquint.com/prodserv/markets/broadband/cable.cfm Technical information and design tips – http://www.triquint.com/prodserv/markets/networks/tech_connect_cable_ftth.cfm New products – http://www.triquint.com/prodserv/new/ Contact TriQuint: Brian Bauer – [email protected] Chris Day – [email protected] 26