This document provides a summary of the experience and expertise of Steve K. Rockwell in RF/microwave/mm-wave design, including: - Over 20 years of experience in defense, aerospace, commercial telecommunications, and semiconductor industries. - Key accomplishments include developing prototype 60GHz multi-Gbps radio systems and integrating a 60GHz transceiver into a cell phone. - Expertise in areas such as mm-wave circuit and system design, modeling, characterization, packaging, and measurement. - Educational background includes a BSEE from Arizona State University and graduate courses in electrical engineering.

1. RF / Microwave / mm-Wave Design Expertise mm-Wave design & applications (1 thru 100 GHz) Gigabit mm-Wave radio front end design & integration Actives & Passives characterization & modeling (on-wafer specialist) III-V MMIC design EM design tools 20+ years Experience Defense / Aerospace / Space / Commercial Telecommunications / Semiconductor Transistor > IC > Component > Front End > Sub-System > System Excellence in Varied Roles: Independent Contributor Team Leader / Project Leader Engineering Manager / Program Manager Steve K. Rockwell - Overview

2. Key Accomplishments 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. Proved feasibility of high speed download in a cell phone by integrating a 60GHz transceiver in a Motorola Q in 2008. 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. Successfully completed JDA with Phiar Corp. demonstrating metal-insulator electronics in high speed millimeter-wave front end.

3. Gigabit mm-Wave Radio Long Range for Backhaul & Networks Short Range for consumer & portable Link Budgets, Design & Analysis, Link Availability, Prototyping

4. Gigabit mm-Wave Radio – Handset Integration 60GHz TXCVR in a handset Handset Architecture to Download Files to Onboard USB Memory

5. Radio Systems Design / Analysis

6. Radio Systems Design / Analysis

7. Auto Radar Analysis tool to estimate target reflections, resolution, phase noise effects, etc.

8. MMIC Design 30 GHz LNA Design on UMS PH25 (.25um) PHEMT Project canceled before going to fab 8 Watt 3.5 GHz PA Design on Freescale High Voltage PHEMT Parts fabricated Early/soft breakdown caused high gate leakage preventing full performance 60 GHz MIIM Detector

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. Passives & Packaging Design Vialess CPW Probe Transition Silicon 5 metal layer stack Integrated LCP on FR4

11. Device Modeling & Characterization Led on-wafer device characterization in support of modeling team at TI (1991-95) GaAs MESFET/HEMT/HBT S-Parms up to 50GHZ Load / Source Pull Lead Device Modeler for MMW projects at Mot Labs (2000-2005) Developed transmission line system approach for standard BiCmos silicon Lead characterization and benchmarking of emerging mHEMT/ InP / SiGe technologies

12. Silicon Technologies for mm-Wave

13. Measurement Expertise VNA Developed on-wafer LRM cal for silicon technologies Load Pull Familiar with load and source pull characterization up BERT Digital bit error rate up to 10 Gbps ICCAP Programming for characterization and modeling

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. ADS Simulations & Libraries

16. Team Leader / Project Leader Project Lead on Packaged MMIC design, assembly, and test for space qualified flight deliverables Led team of technicians and engineers in assembly and test phase of effort Responsible for performance reviews Team leader on various research projects Led team meetings to set and define goals and track progress Represented team’s efforts to business units sponsoring or supporting the research Responsible for performance reviews of technicians on project

17. Engineering Management Lead technical researcher on several projects to demonstrate Gbps wireless radios Defined/negotiated goals, objectives, schedule, and roles with business units Made presentations and led status meetings with business units Coordinated research/design efforts among several engineers and technicians Have been responsible for supervising 3-5 technical employees at various stages of career.

18. Experience & Education Experience Motorola Labs, mm-Wave & microwave design and applied research , 9 years Motorola Government Business, space payloads, MMIC packaging and test, 4 years Texas Instrument Defense and Electronics Division, GaAs MMIC, modeling, characterization, and components, 8 years Academics BSEE from Arizona State University, 1986 Graduate courses at Southern Methodist University and University of Texas at Dallas, 1988-89

19. Affiliations & Conferences Professional Society Affiliations IEEE since 1983 Served as student chapter secretary 1986 Serving as MTTS Representative in Phoenix Waves and Devices chapter from 2002 to 2007. Serving as Vice Chair of Waves and Devices chapter 2007-2008. Chapter Chair, IEEE Waves & Devices (2009 – present) Technical reviewer for technical papers for refereed journals for: “IEEE Transactions on Microwave Theory and Techniques”; and “IEEE Microwave and Wireless Components Letters”; Conferences Co-chair of Digest committee for International Microwave Symposium, Phoenix, AZ, 2001 Session Chair, Non-linear Device Modeling, International Microwave Symposium, Seattle, WA, 2002. Session Chair, Non-linear Device Modeling, International Microwave Symposium, Philadelphia, PA 2003. Served on Technical and Vendor committees of CPMT/WAD annual Devices and Packaging 1 day workshops at ASU from 2001 thru 2008

20. Publications 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 An 8-Watt 3.5 GHz Power Amplifier with Tunable Matching Rockwell, Emrick, R.; Bosco, B.;Franson, S.; Miller, M.; Johnson, E.;Crowder, J. GaAs IC Symposium, 2002, October 20-23 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 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 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 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 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 Characterization and Modeling of Metal/Double-Insulator/Metal Diodes for Millimeter Wave Wireless Receiver Applications Stephen Rockwell, Derrick Lim, Bruce A. Bosco, Jeffrey H. Baker, Blake Eliasson, Keith Forsyth, Michael Cromar Radio Frequency integrated Circuits (RFIC) Symposium, 2007. Digest of Papers. 2007 IEEE Gigabit Wireless Personal Area Networks: Motivation, Challenges and Implementation Stephen Rockwell, Bruce A. Bosco, Robert Lempkowski, Rudy Emrick, John Holmes Radio and Wireless Conference 2009