Newport Beach-based semiconductor maker Conexant released its results Thursday afternoon, reporting that it had a profit of $8.3M on revenues of $61.8M, exceeding guidance it had provided at the beginning of the quarter. According to the firm, the quarter delivered the highest core operating margins in company history. The firm said it was helped by lower operating expenses. The firm said it now expects revenues of $60 to $61M in the second quarter of the year.