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`CONCERNING THE PUBLICATION OF A PAPER AUTHORED BY DR. CHOI
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`INTEL 1309
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`INTEL 1309
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`I, Jinsung Choi, declare as follows:
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`1.
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`I am currently employed by Qorvo, Inc., which is an American semiconductor
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`company that designs, manufactures, and supplies radio—frequency (RF) systems and solutions
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`for wireless and broadband communications.
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`I have worked at Qorvo for approximately six
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`years. At Qorvo, I am a member of the technical staff. In that role, I contribute to the design of
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`RF components such as switches and low noise amplifiers. A copy of my cuiriculum Vitae is
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`attached hereto as Exhibit A.
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`2.
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`I earned my Bachelor of Science degree in electrical engineering from Pohang
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`University of Science and Technology in South Korea in 2003. I earned my Doctor of
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`Philosophy degree in electrical engineering from Pohang University of Science and Technology
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`in 2009.
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`3.
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`I am the co-author of a paper entitled “Envelope Tracking Power Amplifier
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`Robust to Battery Depletion” (the “Choi 2010 paper”), submitted as Exhibit B to this declaration.
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`The paper was published by the Institute of Electrical and Electronics Engineers (IEEE) in 2010.
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`According to the IEEE website (https://ieeexplore.ieee.orgZdocument/S517825/), the paper was
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`added to IEEE’S digital library—IEEE Xplore—on July 23, 2010.
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`4.
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`Earlier in 2010, I attended the IEEE International Microwave Symposium
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`(“IMS”) 2010 conference, held in Anaheim, California from May 23 to 28, 2010. The IMS is an
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`annual technical conference for professionals specializing in RF/microwave theory and
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`applications. The conference is well publicized in the field, and is open to any member of the
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`public interested in the topic. On information and belief, the IMS is the largest gathering of
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`RF/microwave professionals in the world.
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`5.
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`The IMS 2010 conference was attended by hundreds of people. These attendees
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`included many engineers specializing in RF circuit and power supply design for RF. The
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`- 1 -
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`conference included, for example, leading engineers in these areas from academia and industry,
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`including many electrical engineers with multiple years’ experience designing RF circuits and/or
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`power supplies. At the time of the IMS 2010 conference, I had earned my doctorate in electrical
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`engineering and had over five years” experience designing RF circuits and power supplies.
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`6.
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`I presented the Choi 2010 paper at the IMS 2010 conference during the Power
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`Amplifier Circuits technical session on Wednesday, May 26, 2010. About a hundred people
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`attended the session where I presented my paper, and there were also other parallel sessions.
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`7.
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`Before the IMS 2010 conference, a program book was made available to
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`attendees and potential attendees. A copy of that program book is attached as Exhibit C. My
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`presentation is listed on page 40 of the program book, in the middle column, near the bottom, at
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`the WEPF-S session. The programvbook confirms my memory that I presented the Choi 2010
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`paper on Wednesday, May 26, 2010.
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`8.
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`People registering for IMS 2010 could pay a small extra fee to receive a USB
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`drive. The fees for registration and the USB drive are shown at page 9 of the program book
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`(Exhibit C). My understanding is that each USB drive contained PDF copies of the presented
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`papers, including a copy of my Choi 2010 paper.
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`9.
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`I also recall that IMS 2010 had printing stations set up at the conference venue.
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`Attendees could use any of these printing stations to print a copy of any paper being presented at
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`the conference, including my own paper. These printing stations are mentioned on page 5 of the
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`program book (Exhibit C), which states that “Print on Demand (POD) is back again and will be
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`available at a centralized station located in the Registration area at the Anaheim Convention
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`Center. This will allow all registered attendees to print out any paper FREE!” This is what I
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`recall seeing at IMS 2010.
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`10.
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`No confidentiality restrictions were imposed on attendees at IMS 2010, and no
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`confidentiality restrictions were placed on any of the papers contained on the USB drives.
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`Attendees were free to disseminate and discuss the technical material presented during the
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`conference.
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`11.
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`I am not receiving any compensation for my declaration or testimony in this
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`matter, aside from my standard Qorvo salary, which does not depend on my submission of this
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`declaration or its contents.
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`12.
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`I declare that all statements made herein of my own knowledge are true and that
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`all statements made on information and belief are believed to be true; and further that these
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`statements were made with the knowledge that willful false statements and the like are
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`punishable by fine or imprisonment, or both, under Section 1101 of Title 18 of the United States
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`Code.
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`Signed:
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`I’D/ZN {VA-l6] CHOI
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`Dated: M .w/%
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