Modernizing RF and Microwave Power Applications Solid State Heating Solutions FTF-IND-F0408 DEC.04.2014 Steve Johnson | RF Product Marketing TM External Use Agenda • Freescale RF Power Introduction • Microwave Cooking Fundamentals • Implications For Microwave Cooking • New Product Announcements • RF Power Tool • Freescale’s Heating and Cooking Ecosystem • Summary and More Information TM External Use 1 RF Power: In Your Daily Life • Amplify RF Signals and Deliver: − High Linearity − High Power − High Efficiency − Extreme Reliability in punishing environments In continuous & pulsed mode From 2.8 MHz to 4 GHz From 0.1W to 1.25kW Healthcare Cooking Cellular FM Radio Air Traffic Control Wafer Plasma Etch Non-Cellular Our Products TM External Use 2 Freescale Leads Industry In RF Power Innovation Innovative Application of RF Power Modernization of RF Power BILLIONS Watts/Year Delivered TM External Use 3 Freescale RF Power Leadership #1 market share position Leader in performance and ruggedness Technology Pioneer 1st to introduce LDMOS 1st with over-molded plastic packaging 1st with multi-staged, high power RFICs Undisputed manufacturing reliability and consistency Un-paralleled worldwide support Unique, innovative application development tools TM External Use 4 Microwave Heating and Cooking Fundamentals TM External Use 5 5 Microwave Oven Background & Fundamentals Waveguide Stirrer Magnetron High Voltage Transformer (Hidden) Turntable Stirrer, turntable used to “distribute” energy • System efficiency > 56%; degrades over time • Dielectric heating due to dipole rotation − 2.4GHz typical (ISM) − 915MHz also used • Magnetron microwave energy source − Self oscillating device − Filament warm up time required − Relatively broadband • TM External Use 6 • Percy Spencer’s original patent: 2,495,429 filed Oct 8, 1945 • Raytheon 1161 Radarange first marketed in 1954 • 1967 Amana introduced the consumer microwave oven Modernizing RF Power: Magnetron To Solid State Magnetron RF Transistor 4,000 V supply voltage 28-50 V supply voltage 500 hours lifetime Up to 20 years lifetime Performance degrades over time No performance degradation On-off control: High Resolution control: Energy is ‘flooded’ to cavity Phase, amplitude, frequency) Energy can be directed TM External Use 7 Solid State Microwave Cooking: How Is It Different? More Functionality & Performance Solid State Source Tube Source Waveguide Stirrer Solid State RF Power Magnetron • Direct energy to load • Reflected energy received • Absorbed energy analyzed • Power & location adjusted • Multiple sources Turntable • Selective heating • Versatile: complex combinations • Improved consistency (quality) • Long life • Reduced time • “Floods” and heats cavity • Crude On/Off control • Electro-mech BOM • Degrades over time More effective use of energy via closed loop, controlled microwave power TM External Use 8 Power Control • 100% − Power can be set to any level from less than 1% to 100% − Enables effective heating of low mass objects 90% 80% Delivered Power Fine control at low levels 70% 60% • 50% Magnetron uses PWM with ~10 second minimum on time 40% − Magnetron filament requires initial heat up time − Best in Class magnetron can vary to 60% then goes to PWM 30% 20% 10% • 0% 0% 50% 100% Required Power Magnetron Solid State TM External Use 9 Precise cooking, warming, defrosting, thawing through control of power Phase Control Location Optimization Phase Control Antenna Antenna • Detecting “load” location and shifting phase in multi-feed system − • Optimize energy to load location Output is coherent, allowing phase and amplitude control of multiple sources − Enable selective combining of the energy • Analogous to laser vs flood light • Reduces random ‘hot spots’ − Position TM External Use 10 Lab tests show as many as 5 hot spot locations Frequency Control – Managing IoT Interference Conventional MWO Emission Solid State MWO Emission Vs. WiFi Router MWO Signal Power SS MWO Signal WiFi Signal Frequency Conventional microwave oven emission covers virtually complete Wifi spectrum (all channels simultaneously) TM External Use 11 Detection and frequency shifting enable elimination of smart home device interference Electro-Mechanical Simplification • Waveguide Stirrer Magnetron Turntable • 3” • 3” 3 1/2” Deep TM External Use 12 Reduced electro-mechanical component BOM − Stirrer − Waveguide − Turntable Reduced Weight − Magnetron ~1.6 lbs − High voltage power supply Enabling design flexibility − Antenna location flexibility − Flush mounted antenna Solid State Cooking & Heating Advantages Feature Benefit • Precise cooking/heating • Highly efficient • Higher quality nutrition High Resolution Control • Faster meal preparation • Versatile food preparation • Low noise • IoT interference management • Consistent heating parameters over lifetime Durability • Reduced maintenance Reduced Size & Weight • Form factor design flexibility • Lower logistics costs TM External Use 13 New Product Announcements TM External Use 14 October New Product Announcements • Designed for operation in harsh RF Heating environments High temperature RF mismatch High physical vibration • Rated for Continuous Wave (CW) operation at high power and high frequencies • Over-molded plastic packaging Superior thermal performance vs ceramic packaging Supports modern manufacturing techniques • High gain enables use of small, low cost drivers • High efficiency reduces system cooling requirements and reduces system cost, size and complexity TM External Use 15 2.45 GHz New Heating Products 915 MHz MHT1003N - 250 W Discrete • • • • • • 250 W CW @ 2.45 GHz 32 V operation 58% overall efficiency; 10pts better than current generation 15 dB gain, <10 W drive for full power SMT or through board mounting option Superior Thermal performance − Better than ceramic package − Enables higher safe power levels • RF Power Tool EVB Available! • • Optimized reference boards available Samples now Production 4Q 2014 TM External Use 16 MHT1002N - 350 W Discrete • • • • • • • • 350 W CW @ 915 MHz 50 V operation 20 dB Gain Plastic Package 63% overall efficiency Single ended or push-pull use Internal matching Production Now! RF Power Discrete TM External Use 17 Innovative Tools TM External Use 18 What Challenges Do RF Power Application Developers Face? • • Complex and Costly RF Component Evaluation − Requires numerous RF and test instruments − Consumes large amounts of lab space − Typically costs in excess of $100,000 Complex Application Development and Optimization − Conventional RF evaluation circuits provide only basic RF circuitry, while real-world applications require consideration of multiple interacting factors such as temperature, voltage, power and frequency under variable conditions − RF and test instruments from diverse manufacturers require users to interface with and collect data from many pieces of equipment individually TM External Use 19 RF Power Tool system (Order Part# RFPOWERTOOL1000) TM External Use 20 Freescale RF Power Tool System • Complete RF test bench − RF Generator − 4 Wattmeters/directional couplers − 4 bias supplies − Voltmeters − Ammeters − Thermometers − RF Driver Amplifier • Seamless interface to Freescale RF evaluation boards • Evaluate and develop your application using Freescale RF power devices • Set RF conditions and monitor performance in real time • Use data logging to store and compare results TM External Use 21 RF Power Tool Smart Evaluation Board LabView GUI RF Power Tool System RFPT-H2450-250 RFPOWERTOOL1000 TM External Use 22 RF Power Tool Production GUI Preview TM External Use 23 What The RF Power Tool Replaces: Use This….. …..Instead Of This TM External Use 24 RF Power Tool Equipped Bench Setup TM External Use 25 Freescale RF Power Tool Customer Benefits Enabling rapid and effective RF application development with Freescale Customer Benefits • Modular and portable - High integration, small footprint and light weight enable portable use • Quick setup - Simple setup and ready to operate in minutes • Easy to use - Intuitive graphical user interface • Reduced application development time - Single point of interface and entry for all key RF application variables - Real-time monitoring and data logging - Interface enables plugin to LabVIEW programming tools • Economical - Costs significantly less than a full RF bench • Seamless interface to Freescale RF evaluation boards TM External Use 26 Available On Freescale Buy Direct! TM External Use 27 Creating an Ecosystem of RF Heating & Cooking Solutions A range of solution options to fit the individualized needs of RF Heating customers RF Components Innovative Tools Reference Solutions PA + Phase Control Antenna Portfolio of High Performance Discretes and ICs Smart RF Tools and Evaluation Boards Freescale Partners TM External Use 28 Antenna Reference Designs and Application Circuits RF Heating and Cooking Solutions From Freescale • Solid State RF Drivers • Solid State RF Power Stages: Discrete and Integrated Circuits • Complete Line of Microcontrollers Supporting Microwave Ovens • Reference RF Circuits • Reference Microwave Oven Circuits Discretes Antenna Design Support • Antenna Design Support • RF Power Application Development Tools Reference Designs TM External Use 29 RF Heating and Cooking Integrated Circuits Innovative Tools Visit Us On The Web! www.freescale.com/RFHeating www.freescale.com/RFPowertool TM External Use 30 Summary Modernizing Microwave Ovens Solid state RF power technology proving capable of delivering differentiated performance High Resolution Control Enabling new functions and applications Improved Size, Weight, and Mechanical Complexity Opening the door for design freedom and durability Freescale Leading The Evolution! RF Power Tool system RF Power Devices RF ICs TM External Use 31 EVBs, Reference Designs, Application Circuits Learn More! Tech Lab No. 15: Solid State Microwave Oven Demo Tech Lab No. 16: See the RF Power Tool system in Action! FTF Session: Modernize RF and Microwave Heating Applications Time: 2:15 – 3:05PM @ Room 2 Visit Our Websites www.freescale.com/RFheating www.freescale.com/RFpowertool TM External Use 32 TM www.Freescale.com © 2014 Freescale Semiconductor, Inc. | External Use