Form SC 13G/A - Statement of Beneficial Ownership by Certain Investors: [Amend]
SEC Accession No. 0000902219-10-000470
Filing Date
2010-02-10
Accepted
2010-02-10 11:05:46
Documents
1

Document Format Files

Seq Description Document Type Size
1 SEC FILING sec_filing.htm SC 13G/A 17811
  Complete submission text file 0000902219-10-000470.txt   19714
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)

EIN.: 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)

EIN.: 561733461 | State of Incorp.: NC | Fiscal Year End: 0331
Type: SC 13G/A | Act: 34 | File No.: 005-52447 | Film No.: 10586626
SIC: 3674 Semiconductors & Related Devices