mmW Products 2015.01.12 Millimeter Wave Systems 1 Extended Interaction Klystrons • EIK Technology • CPI Canada EIKs – Based on Klystrons – Design & manufacturing • Rugged • Reliable • 40 years of experience – Applications – Enhanced • Radar – Airport – Space – Earth Observations • Power • Bandwidth • Efficiency – – – – 2015.01.12 GHz and THz frequencies Moderate voltages Compact Minimal maintenance • Communications • Instrumentation – DNP/ESR – Frequency range Millimeter Wave Systems • 17 – 280 GHz proven • 0.7 THz modeled 2 EIK Principle of Operation Magnetic Field Tuner Electron Beam Cathode Icathode Collector Ladder Input Cavity Ibody Output Cavity Magnets Icollector Collector - + Power Supply Electron Gun RF Window & Coupler 2015.01.12 Millimeter Wave Systems RF Circuit 3 Ladder Structure • Ladder structures provide – High coupling impedance – Thermal stability 140 GHz 300 W pulsed 50 W average 30 GHz 3000 W pulsed 1200 W CW 2015.01.12 263 GHz 10 W pulsed 5 W CW 95 GHz 2000 W pulsed 400 W average Millimeter Wave Systems 4 EIK Space Programs Mission Instrument EIK Specification Development Status Agency CloudSAT Cloud Profiling Radar 94 GHz 1.7 kW pulsed amplifier Flight Models in operation NASA/JPL/ CSA EarthCARE Cloud Radar with Doppler function 94 GHz 1.7 kW pulsed amplifier Flight Models delivered ESA/JAXA Ka-band Radar Interferometer 35.75 GHz 1.5 kW pulsed amplifier Demonstration Model Fabricated CNES/NAS AJPL/CSA Dual band/dual polarization SAR X & Ku-band 2.5 kW pulsed amplifiers Engineering Models fabricated and tested ESA EGPM Precipitation Radar 35.5 GHz 1 kW pulsed amplifier EM1 Fabricated and Tested ESA JIMO Topo-Mapping Radar 35.5 GHz 3 kW high duty amplifier Development of high duty beamstick complete NASA/ JPL Active Atmospheric Sounder 183 GHz 5 W CW oscillator EM1 delivered to JPL NASA/ JPL Scatterometer 5.3 GHz CW pulsed amplifier Pre-development ESA SWOT CoReH2O ATOMS MetOp SG 2015.01.12 Millimeter Wave Systems 5 EarthCARE Redundant EIKs 2015.01.12 • Mission Includes Advanced CPR with Doppler • Flight EIKs delivered in 2013 • 94 GHz 1.7 kW pulsed EIK with improved lifetime, structural performance and reliability • Lifetime to 10% current reduction is 60,000 hours • FIT: < 10,000 Millimeter Wave Systems 6 SWOT • SWOT (Surface Water Ocean Topography) is a swath-based SAR altimetry mission designed to acquire elevations of water surfaces • Payload includes a Ka-band Radar Interferometer (KaRIN) • Mission is planned by CNES and NASA/JPL for launch in 2020 2015.01.12 Millimeter Wave Systems 7 SWOT Demonstration Model EIK • Designed, fabricated and tested under CSA contract • Provides pulsed power up to 2 kW with duty cycle up to 10% • 35.75 GHz center frequency with 320 MHz (-1 dB) bandwidth • Lifetime to 10% current reduction is 65,000 hours • Capability to provide over 3 kW pulse power, when tuned for narrow-band operation 2015.01.12 Millimeter Wave Systems 8 CoReH2O High power amplifiers needed for CoReH2O • at Ku-band, no space heritage exists, nor spec-compliant commercial hardware • at X-band, space hardware has been demonstrated, but at lower RF power Requirements 2015.01.12 X-band HPA Ku-band HPA Frequency 9.6 GHz 17.2 GHz Peak Power 2100 W 2500 W Ave. Power 340 W 375 W Bandwidth <10 MHz <10 MHz Efficiency 40% 40% Millimeter Wave Systems 9 CoReH2O W-band 2015.01.12 Ka-band Ku-band • EM’s built at X-band and Ku-band • RF performance targets met • EIKs demonstrated >40% efficiency over broad range of output powers (2 - 4.5 kW) • Suitable for spaceflight: conduction cooled, <8kg • >10 year cathode life expected Millimeter Wave Systems 10 187 GHz CW EIK • 5 W CW • 400 MHz Bandwidth • Single period magnet • Water cooled • Single stage depressed collector 2015.01.12 Millimeter Wave Systems 11 263 GHz CW Tunable EIO • Design Advances – Reduced beam diameter variations – Increased fill-factor – Optimize RF field distribution along circuit – 5 W CW output power – 10 GHz tuning range 2015.01.12 Millimeter Wave Systems 12 263 GHz Pulsed EIK • Gun Optics – 18.5 kV – 250 mA – 18 µm x 15 mm tunnel 2015.01.12 Millimeter Wave Systems 13 Extended Interaction Klystrons • EIK technology is a good choice for many terrestrial and space borne applications • CPI Canada offers a wide selection of EIK models • Capabilities for rapid development of the new products to address specific needs 30 GHz EIK 2015.01.12 95 GHz HPA 220 GHz EIK Millimeter Wave Systems 263 GHz EIO 263 GHz EIK 14 Pulsed and CW EIK Emitters 2015.01.12 Millimeter Wave Systems 15 Power Supplies & Chillers 2015.01.12 Millimeter Wave Systems 16 Contact Us 2015.01.12 [email protected] +1-905-877-0161 http://www.cpii.com/product.cfm/7/40 45 River Drive Georgetown, ON L7G 2J4 Canada Millimeter Wave Systems 17