SAN JOSE, Calif., Jan. 14 /PRNewswire-FirstCall/ -- Micrel Inc. (Nasdaq: MCRL ), an industry leader in high performance analog and high-speed mixed signal solutions, will announce financial results for the fourth quarter ended December 31, 2009 after the market closes on Thursday, January 28, 2010. The Company will host a conference call at 4:30 p.m. Eastern time ( 1:30 p.m. Pacific time ) on January 28, 2010. Chief Executive Officer Raymond Zinn and Chief Financial Officer Ray Wallin will present an overview of the fourth quarter 2009 financial results, discuss current business conditions and then respond to questions.