Patents by Inventor Hong Bong Kim

Hong Bong Kim has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20090072905
    Abstract: There is provided a variable gain amplifier that is implemented with a CMOS device and has wide band variation and wide bandwidth by a predetermined exponential function. A variable gain amplifier having wide gain variation and wide bandwidth according to an aspect of the invention may include: a differential amplification section differentially amplifying an input signal according to a gain adjustment signal; and a gain adjustment section supplying the gain adjustment signal on the basis of an approximated exponential function determined according to a predetermined bias current, and adjusting a gain of the differential amplification section.
    Type: Application
    Filed: September 15, 2008
    Publication date: March 19, 2009
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hoang Duong Quoc, Eung Ju Kim, Sang Gug Lee, Jeong Seon Lee, Bong Rak Choi, Hong Bong Kim