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Linear Integrated Systems, Inc. (LIS) is an American full-service designer and manufacturer of small-signal, discrete semiconductors. The company produces over 2,000 different discrete semiconductors, including dual and single junction field effect transistors (JFETs), bipolar transistors, BiFETs, lateral DMOS analog switch and switch arrays, and picoamp dual and single diodes.〔http://www.chipdocs.com/manufacturers/LISYS.html〕 History LIS was founded in 1987 by Silicon Valley pioneer John H. Hall after his departure from Micro Power Systems.〔http://www.ebnonline.com/author.asp?section_id=3471&doc_id=276171&〕 At LIS, Hall continued his research into refractory metal semiconductors and also designed custom integrated circuits (ICs) while developing a line of standard products. Featured among the standard products were improved versions of semiconductors Hall had invented during his years at Union Carbide, Intersil and Micro Power Systems.〔John H. Hall (inventor)〕 By the 2000s, LIS had moved away from custom IC work to focus on small-signal, discrete components for use in the test/measurement, medical, high-end audio and sensor applications. In 2006, LIS announced the release of the LSK389 ultra-low-noise dual JFET.〔http://www.eetasia.com/ART_8800404396_765245_NP_38131bb8.HTM Accessed March 18, 2015〕 LIS announced in 2013 the LSK489, a dual JFET that combines low capacitance with low noise similar to the LSK389.〔http://audioxpress.com/article/linear-systems-offers-new-dual-jfets.html Accessed March 18, 2015〕 Following Hall's death in late 2014, Timothy S. McCune〔Timothy S. McCune〕 was named president and a member of the board of directors of the company.〔http://linearsystems.com/whatsnew.php〕 == References == 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Linear Integrated Systems」の詳細全文を読む スポンサード リンク
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