San Diego-based Sequoia Communications is announcing today that it has appointed Dee Morgan as VP of Finance and Operations. Morgan was most recently at Texas Instruments, where Morgan was director of finance and operations for the firm's Digital signal Processing business. Sequoia Communication is a venture backed firm developing RF semiconductors for the communications market. The firm's products provide single-chip integration of multimode RF wireless standards, including GSM, GPRS, EDGE, and other standards.