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Victor Chang

Victor Chang is a systems engineer for Raytheon Corp. He received an MSEE from the University of Massachusetts, Lowell, and a BSEECS from the University of California, Berkeley.


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  • Unconventional PLL Uses BTSC Pilot To Generate Master Clock

    By Victor Chang, August 04, 2005

    Multichannel television sound (MTS), better known as Broadcast Television System Committee (BTSC) encoding, is used in many analog cable set-top boxes for TV. The BTSC pilot is at the same frequency (15.734 kHz) as the horizontal video sync. The pil

  • Wireless Security Re-Invents Itself Again

    By Victor Chang, December 01, 2003

    The face of computing is being changed by innovations in wireless technology. For example, users are no longer bound to the traditional "wires" that made up their computing environment. Thanks to technologies like Wireless Local Area Networks (WLANs),...