CSR plc

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CSR plc
Company type
Public
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FateAcquired by Qualcomm
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HeadquartersCambridge, England, U.K.
Key people
Ron Mackintosh (chairman)
Joep van Beurden (CEO)
Will Gardiner (CFO)
ProductsFabless semiconductor that included connectivity, audio, imaging and GPS chips
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Websitecsr.com

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CSR plc (formerly Cambridge Silicon Radio) was a multinational fabless semiconductor company headquartered in Cambridge, United Kingdom. Its main products were connectivity, audio, imaging and location chips. CSR was listed on the London Stock Exchange and was a constituent of the FTSE 250 Index until it was acquired by Qualcomm in August 2015. The company was since renamed as Qualcomm Technologies International, Ltd.

History

The company was founded in 1998 and split away from Cambridge Consultants as Cambridge Silicon Radio or CSR, in 1999. The founding directors, who were all at Cambridge Consultants at the time, were Phil O'Donovan,[2] James Collier and Glenn Collinson.[3] It was first listed on the London Stock Exchange in 2004.[4]

In 2005 the company acquired Clarity Technologies, a leading clear voice capture (CVC) business[5] and UbiNetics, a 3G wireless (WCDMA/UMTS/HSDPA) technology company.[6] In 2007, CSR acquired Nordnav, a Swedish-based GPS software company, and CPS, a Cambridge-based GPS software company producing Enhanced GPS in partnership with Motorola.[7]

In February 2009, CSR announced it was merging with SiRF, the biggest global supplier of GPS chips, in a share deal worth $136 million;[8] in July 2010, CSR announced the acquisition of Belfast-based APT Licensing Ltd. (APT) and its aptX audio technology[9] and in February 2011, CSR announced it was merging with Zoran, a video and imaging technology company.[10]

In May 2012, CSR acquired Direct Digital Feedback Amplifier (DDFA) technology, a proprietary, highly scalable digital Class-D audio amplifier technology;[11] in June 2012, CSR announced that it had acquired the MAPX (formerly MAP-X) audio product line from Trident Microsystems, Inc[12] and in July 2012, Samsung Electronics agreed to acquire CSR's mobile phone connectivity (Bluetooth and Wi-Fi) and location (GPS/GNSS) businesses and associated IP for US$310 million (£198 million).[13] As part of the deal Samsung acquired a stake of 4.9% in CSR.[13]

In June 2014, CSR acquired the people and technology of Reciva, a networked audio streaming platform, for US$5 million[14] and in October 2014, the acquisition of CSR by Qualcomm for $2.5 billion was agreed.[15] The transaction was completed in August 2015.[16]

Products

File:Nokia X2-02 - csr BC7820-1741.jpg
CSR BC7820

CSR's products included platform solutions for Bluetooth, GPS, FM broadcasting, Wi-Fi, audio, imaging, and ARM processors.[17] After the Zoran merger, CSR also made digital imaging products based on the MIPS architecture.[18][19]

Offices

File:Cambridge Business Park CSR.jpg
Churchill House, part of CSR's corporate campus at the Cambridge Business Park

CSR had 27 offices in 13 countries:

References

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  1. ^ a b c Page Module:Citation/CS1/styles.css has no content."Annual Report 2014" (PDF). CSR plc. Archived from the original (PDF) on 2 April 2015. Retrieved 25 March 2015.
  2. ^ Page Module:Citation/CS1/styles.css has no content."Philip O'Donovan - Royal Academy of Engineering". Archived from the original on 10 January 2022. Retrieved 10 January 2022.
  3. ^ Page Module:Citation/CS1/styles.css has no content.Kirk, Kate; Cotton, Charles (2012). The Cambridge Phenomenon: 50 years of innovation and enterprise. London: Third Millennium Publishing. ISBN 9781906507527.
  4. ^ and became a FTSE250 company in the same year. Blue tooth firms IPO share fetch top price Script error: No such module "webarchive".
  5. ^ Page Module:Citation/CS1/styles.css has no content."CSR plc acquisition of Clarity Technologies, Inc". ic-tech.com. Retrieved 25 March 2015.
  6. ^ Page Module:Citation/CS1/styles.css has no content."FindArticles.com | CBSi". findarticles.com. Retrieved 10 January 2022.{{cite web}}: CS1 maint: deprecated archival service (link)
  7. ^ Page Module:Citation/CS1/styles.css has no content."EDN - Industry News, Learning center, electronic design center". edn-europe.com. Archived from the original on 16 February 2012. Retrieved 25 March 2015.
  8. ^ Page Module:Citation/CS1/styles.css has no content."Merger Agreement with SiRF". Archived from the original on 16 January 2012.
  9. ^ Page Module:Citation/CS1/styles.css has no content."CSR buys Belfast based audio compression specialist". New Electronics. 28 July 2010. Archived from the original on 1 August 2020. Retrieved 23 September 2017.
  10. ^ Page Module:Citation/CS1/styles.css has no content."CSR plc announces merger with Zoran Corporation". Archived from the original on 27 February 2011. Retrieved 5 June 2011.
  11. ^ Page Module:Citation/CS1/styles.css has no content."CSR Strengthens Its Audio Platform with High Fidelity Class-D Amplifier Technology". Businesswire. 1 May 2012. Retrieved 23 September 2017.
  12. ^ Page Module:Citation/CS1/styles.css has no content."CSR buys Trident's audio processor line". EE Times. 6 June 2012. Retrieved 23 September 2017.
  13. ^ a b Page Module:Citation/CS1/styles.css has no content."Samsung buys chipmaker CSR's handset technology". Reuters. 17 July 2012. Archived from the original on 6 March 2016. Retrieved 16 August 2012.
  14. ^ Page Module:Citation/CS1/styles.css has no content."CSR Capital Markets Day Report, June 2014" (PDF). Archived from the original (PDF) on 5 October 2016. Retrieved 25 May 2016.
  15. ^ Page Module:Citation/CS1/styles.css has no content."Qualcomm trumps Microchip with $2.5 billion deal for Britain's CSR" (Press release). Reuters. 15 October 2014. Archived from the original on 17 October 2015. Retrieved 30 June 2017.
  16. ^ Page Module:Citation/CS1/styles.css has no content."Qualcomm completes $2.4bn take-over of Cambridge's CSR". Cambridge News. Archived from the original on 23 September 2015. Retrieved 22 August 2015.{{cite web}}: CS1 maint: bot: original URL status unknown (link)
  17. ^ Page Module:Citation/CS1/styles.css has no content."CSR Joins Qualcomm". csr.com. Retrieved 22 August 2015.{{cite web}}: CS1 maint: deprecated archival service (link)
  18. ^ Page Module:Citation/CS1/styles.css has no content."CSR Wireless Technology Product Finder". csr.com. Retrieved 22 August 2015.{{cite web}}: CS1 maint: deprecated archival service (link)
  19. ^ Page Module:Citation/CS1/styles.css has no content."CSR Wireless Technology Product Finder". csr.com. Retrieved 22 August 2015.

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