<ul><li>RF / Microwave / mm-Wave Design Expertise </li></ul><ul><ul><li>mm-Wave design & applications (1 thru 100 GHz) </l...
Key Accomplishments <ul><li>Demonstrated low cost 60GHz high multi-Gbps radio systems and front ends by developing prototy...
Gigabit mm-Wave Radio <ul><li>Long Range for Backhaul & Networks </li></ul><ul><li>Short Range for consumer & portable </l...
Gigabit mm-Wave Radio – Handset Integration 60GHz TXCVR in a handset Handset Architecture to Download Files to Onboard USB...
Radio Systems Design / Analysis
Radio Systems Design / Analysis
Auto Radar Analysis tool to estimate target reflections, resolution, phase noise effects, etc.
MMIC Design <ul><li>30 GHz LNA Design on UMS PH25 (.25um) PHEMT </li></ul><ul><ul><li>Project canceled before going to fab...
Foundry / IC Technology  GaAs Foundry Review Summary Compiled in 2002 for 60 GHz front end designs SiGe Foundry Review Sum...
Passives & Packaging Design Vialess CPW Probe Transition Silicon 5 metal layer stack Integrated LCP on FR4
Device Modeling & Characterization <ul><li>Led on-wafer device characterization in support of modeling team at TI (1991-95...
Silicon Technologies for mm-Wave
Measurement Expertise <ul><li>VNA </li></ul><ul><ul><li>Developed on-wafer LRM cal for silicon technologies </li></ul></ul...
EM Simulation MIM Cap Model (Sonnet) Marchand Balun (Sonnet) CPW (HFSS) Asymmetric Rat Race Coupler (Sonnet) Coupled lines...
ADS Simulations & Libraries
Team Leader / Project Leader <ul><li>Project Lead on Packaged MMIC design, assembly, and test for space qualified flight d...
Engineering Management <ul><li>Lead technical researcher on several projects to demonstrate Gbps wireless radios </li></ul...
Experience & Education <ul><li>Experience </li></ul><ul><ul><li>Motorola Labs, mm-Wave & microwave design and applied  res...
Affiliations & Conferences <ul><li>Professional Society Affiliations </li></ul><ul><ul><li>IEEE since 1983 </li></ul></ul>...
Publications <ul><li>GaAs MESFETs fabricated on Si substrates using a SrTiO/sub 3/ buffer layer   Eisenbeiser, K.; Emrick,...
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Rockwell Profile

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Resume/Portfolio of Steve Rockwell

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Rockwell Profile

  1. 1. <ul><li>RF / Microwave / mm-Wave Design Expertise </li></ul><ul><ul><li>mm-Wave design & applications (1 thru 100 GHz) </li></ul></ul><ul><ul><li>Gigabit mm-Wave radio front end design & integration </li></ul></ul><ul><ul><li>Actives & Passives characterization & modeling (on-wafer specialist) </li></ul></ul><ul><ul><li>III-V MMIC design </li></ul></ul><ul><ul><li>EM design tools </li></ul></ul><ul><li>20+ years Experience </li></ul><ul><ul><li>Defense / Aerospace / Space / Commercial </li></ul></ul><ul><ul><li>Telecommunications / Semiconductor </li></ul></ul><ul><ul><li>Transistor > IC > Component > Front End > Sub-System > System </li></ul></ul><ul><li>Excellence in Varied Roles: </li></ul><ul><ul><li>Independent Contributor </li></ul></ul><ul><ul><li>Team Leader / Project Leader </li></ul></ul><ul><ul><li>Engineering Manager / Program Manager </li></ul></ul>Steve K. Rockwell - Overview
  2. 2. Key Accomplishments <ul><li>Demonstrated low cost 60GHz high multi-Gbps radio systems and front ends by developing prototype implementations in progressively smaller package sizes from 2003 to 2008. </li></ul><ul><li>Proved feasibility of high speed download in a cell phone by integrating a 60GHz transceiver in a Motorola Q in 2008. </li></ul><ul><li>Led prototype development and systems analysis of 60 GHz backhaul link for Motorola Broadband product division. Completed detailed link availability and budget analysis and supported successful field testing. </li></ul><ul><li>Successfully completed JDA with Phiar Corp. demonstrating metal-insulator electronics in high speed millimeter-wave front end. </li></ul>
  3. 3. Gigabit mm-Wave Radio <ul><li>Long Range for Backhaul & Networks </li></ul><ul><li>Short Range for consumer & portable </li></ul><ul><li>Link Budgets, Design & Analysis, Link Availability, Prototyping </li></ul>
  4. 4. Gigabit mm-Wave Radio – Handset Integration 60GHz TXCVR in a handset Handset Architecture to Download Files to Onboard USB Memory
  5. 5. Radio Systems Design / Analysis
  6. 6. Radio Systems Design / Analysis
  7. 7. Auto Radar Analysis tool to estimate target reflections, resolution, phase noise effects, etc.
  8. 8. MMIC Design <ul><li>30 GHz LNA Design on UMS PH25 (.25um) PHEMT </li></ul><ul><ul><li>Project canceled before going to fab </li></ul></ul><ul><li>8 Watt 3.5 GHz PA Design on Freescale High Voltage PHEMT </li></ul><ul><ul><li>Parts fabricated </li></ul></ul><ul><ul><li>Early/soft breakdown caused high gate leakage preventing full performance </li></ul></ul><ul><li>60 GHz MIIM Detector </li></ul>
  9. 9. Foundry / IC Technology GaAs Foundry Review Summary Compiled in 2002 for 60 GHz front end designs SiGe Foundry Review Summary Compiled in 2005 for mm-Wave GHz design
  10. 10. Passives & Packaging Design Vialess CPW Probe Transition Silicon 5 metal layer stack Integrated LCP on FR4
  11. 11. Device Modeling & Characterization <ul><li>Led on-wafer device characterization in support of modeling team at TI (1991-95) </li></ul><ul><ul><li>GaAs MESFET/HEMT/HBT </li></ul></ul><ul><ul><ul><li>S-Parms up to 50GHZ </li></ul></ul></ul><ul><ul><ul><li>Load / Source Pull </li></ul></ul></ul><ul><li>Lead Device Modeler for MMW projects at Mot Labs (2000-2005) </li></ul><ul><ul><li>Developed transmission line system approach for standard BiCmos silicon </li></ul></ul><ul><ul><li>Lead characterization and benchmarking of emerging mHEMT/ InP / SiGe technologies </li></ul></ul>
  12. 12. Silicon Technologies for mm-Wave
  13. 13. Measurement Expertise <ul><li>VNA </li></ul><ul><ul><li>Developed on-wafer LRM cal for silicon technologies </li></ul></ul><ul><li>Load Pull </li></ul><ul><ul><li>Familiar with load and source pull characterization up </li></ul></ul><ul><li>BERT </li></ul><ul><ul><li>Digital bit error rate up to 10 Gbps </li></ul></ul><ul><li>ICCAP </li></ul><ul><ul><li>Programming for characterization and modeling </li></ul></ul>
  14. 14. EM Simulation MIM Cap Model (Sonnet) Marchand Balun (Sonnet) CPW (HFSS) Asymmetric Rat Race Coupler (Sonnet) Coupled lines in multi-stage MMIC design (Sonnet)
  15. 15. ADS Simulations & Libraries
  16. 16. Team Leader / Project Leader <ul><li>Project Lead on Packaged MMIC design, assembly, and test for space qualified flight deliverables </li></ul><ul><ul><li>Led team of technicians and engineers in assembly and test phase of effort </li></ul></ul><ul><ul><li>Responsible for performance reviews </li></ul></ul><ul><li>Team leader on various research projects </li></ul><ul><ul><li>Led team meetings to set and define goals and track progress </li></ul></ul><ul><ul><li>Represented team’s efforts to business units sponsoring or supporting the research </li></ul></ul><ul><ul><li>Responsible for performance reviews of technicians on project </li></ul></ul>
  17. 17. Engineering Management <ul><li>Lead technical researcher on several projects to demonstrate Gbps wireless radios </li></ul><ul><ul><li>Defined/negotiated goals, objectives, schedule, and roles with business units </li></ul></ul><ul><ul><li>Made presentations and led status meetings with business units </li></ul></ul><ul><ul><li>Coordinated research/design efforts among several engineers and technicians </li></ul></ul><ul><li>Have been responsible for supervising 3-5 technical employees at various stages of career. </li></ul>
  18. 18. Experience & Education <ul><li>Experience </li></ul><ul><ul><li>Motorola Labs, mm-Wave & microwave design and applied research , 9 years </li></ul></ul><ul><ul><li>Motorola Government Business, space payloads, MMIC packaging and test, 4 years </li></ul></ul><ul><ul><li>Texas Instrument Defense and Electronics Division, GaAs MMIC, modeling, characterization, and components, 8 years </li></ul></ul><ul><li>Academics </li></ul><ul><ul><li>BSEE from Arizona State University, 1986 </li></ul></ul><ul><ul><li>Graduate courses at Southern Methodist University and University of Texas at Dallas, 1988-89 </li></ul></ul>
  19. 19. Affiliations & Conferences <ul><li>Professional Society Affiliations </li></ul><ul><ul><li>IEEE since 1983 </li></ul></ul><ul><ul><ul><li>Served as student chapter secretary 1986 </li></ul></ul></ul><ul><ul><ul><li>Serving as MTTS Representative in Phoenix Waves and Devices chapter from 2002 to 2007. </li></ul></ul></ul><ul><ul><ul><li>Serving as Vice Chair of Waves and Devices chapter 2007-2008. </li></ul></ul></ul><ul><ul><ul><li>Chapter Chair, IEEE Waves & Devices (2009 – present) </li></ul></ul></ul><ul><ul><ul><li>Technical reviewer for technical papers for refereed journals for: “IEEE Transactions on Microwave Theory and Techniques”; and “IEEE Microwave and Wireless Components Letters”; </li></ul></ul></ul><ul><li>Conferences </li></ul><ul><ul><li>Co-chair of Digest committee for International Microwave Symposium, Phoenix, AZ, 2001 </li></ul></ul><ul><ul><li>Session Chair, Non-linear Device Modeling, International Microwave Symposium, Seattle, WA, 2002. </li></ul></ul><ul><ul><li>Session Chair, Non-linear Device Modeling, International Microwave Symposium, Philadelphia, PA 2003. </li></ul></ul><ul><ul><li>Served on Technical and Vendor committees of CPMT/WAD annual Devices and Packaging 1 day workshops at ASU from 2001 thru 2008 </li></ul></ul>
  20. 20. Publications <ul><li>GaAs MESFETs fabricated on Si substrates using a SrTiO/sub 3/ buffer layer Eisenbeiser, K.; Emrick, R.; Droopad, R.; Yu, Z.; Finder, J.; Rockwell, S.; Holmes, J.; Overgaard, C.; Ooms, W. IEEE Electron Device Letters , Volume: 23 Issue: 6 , June 2002 Page(s): 300 –302 </li></ul><ul><li>An 8-Watt 3.5 GHz Power Amplifier with Tunable Matching </li></ul><ul><ul><li>Rockwell, Emrick, R.; Bosco, B.;Franson, S.; Miller, M.; Johnson, E.;Crowder, J. </li></ul></ul><ul><ul><li>GaAs IC Symposium, 2002, October 20-23 </li></ul></ul><ul><li>Performance of GaAs on silicon power amplifier for wireless handset applications Escalera, N.; Emrick, R.; Franson, S.; Farber, B.; Garrison, G.; Holmes, J.; Rockwell, S.; Bosco, B. Microwave Symposium Digest, 2002 IEEE MTT-S International , 2002 Page(s): 1031 -1034 vol.2 </li></ul><ul><li>RF Devices Implemented on GaAs on Si Substrates Using a SrTiO 3 Buffer Layer Eisenbeiser, K.; Emrick, R.; Droopad, R.; Yu, Z.; Finder, J.; Rockwell, S.; Holmes, J.; Overgaard, C.; Ooms, W.;Ramdani, J.;Yu, Z.; Hilt, L.;Talin, A.;Edwards Jr, J.; Curless, J.; O’Steen, M. GaAs IC Symposium, 2001, October 21-24 Page(s): 300 –302 </li></ul><ul><li>MMIC Power Amplifier Output Combiner Network Considerations for S-Band Applications Bosco, B.;Emrick, R.; Franson, S.; Rockwell, S. European Microwave Conference, 2001, September 24-28, London </li></ul><ul><li>A 60 GHz Transceiver with Multi-Gigabit Data Rate Capability Bosco, B.;Emrick, R.; Franson, S.; Rockwell, S.; Holmes, J Radio and Wireless Conference, 2004 IEEE </li></ul><ul><li>On-Wafer Characterization De-embedding and Transmission Line Optimization on Silicon for Millimeter-wave Applications Bosco, B.; Rockwell, S. Radio Frequency integrated Circuits (RFIC) Symposium, 2005. Digest of Papers. 2005 IEEE </li></ul><ul><li>Characterization and Modeling of Metal/Double-Insulator/Metal Diodes for Millimeter Wave Wireless Receiver Applications </li></ul><ul><ul><li>Stephen Rockwell, Derrick Lim, Bruce A. Bosco, Jeffrey H. Baker, Blake Eliasson, Keith Forsyth, Michael Cromar </li></ul></ul><ul><ul><li>Radio Frequency integrated Circuits (RFIC) Symposium, 2007. Digest of Papers. 2007 IEEE </li></ul></ul><ul><li>Gigabit Wireless Personal Area Networks: Motivation, Challenges and Implementation </li></ul><ul><ul><li>Stephen Rockwell, Bruce A. Bosco, Robert Lempkowski, Rudy Emrick, John Holmes </li></ul></ul><ul><ul><li>Radio and Wireless Conference 2009 </li></ul></ul>
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