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Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-10-000815
Filing Date
2010-02-12
Accepted
2010-02-12 10:58:20
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17986
  Complete submission text file 0000902219-10-000815.txt   19889
Mailing Address 75 STATE STREET BOSTON MA 02109
Business Address 75 STATE STREET BOSTON MA 02109 6179515000
WELLINGTON MANAGEMENT CO LLP (Filed by) CIK: 0000902219 (see all company filings)

IRS No.: 042683227 | State of Incorp.: MA | Fiscal Year End: 1231
Type: SC 13G/A
SIC: 0000

Mailing Address
Business Address 7628 THORNDIKE ROAD GREENSBORO NC 27409-9421 3369317042
RF MICRO DEVICES INC (Subject) CIK: 0000911160 (see all company filings)

IRS No.: 561733461 | State of Incorp.: NC | Fiscal Year End: 0331
Type: SC 13G/A | Act: 34 | File No.: 005-52447 | Film No.: 10595776
SIC: 3674 Semiconductors & Related Devices