Microsemi Corporation is a designer, manufacturer and marketer of analog and mixed-signal integrated circuits and high-reliability semiconductors. The Company’s semiconductors manage and control or regulate power, protect against transient voltage spikes and transmit, receive and amplify signals. The Company’s products include individual components, as well as integrated circuit solutions. Its semiconductors manage and control or regulate power, protect against transient voltage spikes and transmit, receive and amplify signals. The principal end markets that it serves include commercial air / satellite, defense, industrial / semicap, medical, mobile / connectivity and notebook / liquid crystal display (LCD) televisions / display. In April 2009, it acquired the Space Level Power Products business of Spectrum Microwave, Inc., a wholly owned subsidiary of Spectrum Control, Inc. In April 2009, Microsemi Corp. acquired Endwave Corporation's defense electronics and security (D&S) business.