The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2006
Filed:
Feb. 20, 2002
Youngjin Kim, Seongnam-si, KR;
Bonkee Kim, Yongin-si, KR;
Kwyro Lee, Daejon, KR;
Sunguk Kim, Seoul, KR;
Yongseok Kim, Seoul, KR;
Youngjin Kim, Seongnam-si, KR;
Bonkee Kim, Yongin-si, KR;
Kwyro Lee, Daejon, KR;
Sunguk Kim, Seoul, KR;
Yongseok Kim, Seoul, KR;
Integrant Technologies Inc., Seongnam-si, KR;
Abstract
The present invention relates to improvement of even order distortion noise, DC offset, and non-linearity of mixer circuits. According to the present invention, a mixer circuit is provided, which comprises a splitter for splitting an input signal to the first and second signal having phase difference of 180 degree, a local oscillator, first mixer for mixing the first signal with the local oscillation signal, second mixer for mixing the second signal with the local oscillation signal, and subtractor for subtracting the output of the second mixer from the output of the first mixer.