CSR plc

CSR (LSE: CSR), or Cambridge Silicon Radio, is a company based in Cambridge, England. CSR is a fabless semiconductor company whose main product lines include connectivity, audio and location chips. It is listed on the London Stock Exchange and is a constituent of the FTSE 250 Index. It is the 15th largest fabless semiconductor company in the world by 2009 revenue. The company was founded in 1998 when it split away from Cambridge Consultants as Cambridge Silicon Radio. It was first listed on the London Stock Exchange in 2004. In 2005 the company acquired Clarity Technologies, a leading Clear Voice Capture (CVC) business. In 2005 CSR also acquired the 3G wireless (WCDMA/UMTS/HSDPA) technology company UbiNetics. In 2007, CSR acquired...