RF Micro Devices (RFMD) 10-Q 2008 Q3 Quarterly report

EXHIBIT 31.2

CERTIFICATION PURSUANT TO RULE 13a-14(a) OR 15d-14(a) OF THE EXCHANGE ACT,
 AS ADOPTED PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002

I, William A. Priddy, Jr., certify that:

1.      I have reviewed this quarterly report on Form 10-Q of RF Micro Devices, Inc.;

2.      Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state
         a material fact necessary to make the statements made, in light of the circumstances under which such statements
         were made, not misleading with respect to the period covered by this report;

3.      Based on my knowledge, the financial statements, and other financial information included in this report, fairly
         present in all material respects the financial condition, results of operations and cash flows of the registrant as
        of, and for, the periods presented in this report;

4.      The registrant's other certifying officer(s) and I are responsible for establishing and maintaining disclosure
         controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control
         over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

         a)     Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be
                 designed under our supervision, to ensure that material information relating to the registrant, including its  
                 consolidated subsidiaries, is made known to us by others within those entities, particularly during the period
                 in which this report is being prepared;

         b)     Designed such internal control over financial reporting, or caused such internal control over financial
                 reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability
                 of financial reporting and the preparation of financial statements for external purposes in accordance with
                 generally accepted accounting principles;

         c)     Evaluated the effectiveness of the registrant's disclosure controls and procedures and presented in this report
                 our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period
                 covered by this report based on such evaluation; and

         d)     Disclosed in this report any change in the registrant's internal control over financial reporting that occurred
                 during the registrant's most recent fiscal quarter (the registrant's fourth fiscal quarter in the case of an annual
                 report) that has materially affected, or is reasonably likely to materially affect, the registrant's internal
                 control over financial reporting; and

5.      The registrant's other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal
         control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of
         directors (or persons performing the equivalent functions):

         a)     All significant deficiencies and material weaknesses in the design or operation of internal control over
                 financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process,
                 summarize and report financial information; and

         b)     Any fraud, whether or not material, that involves management or other employees who have a significant
                 role in the registrant's internal control over financial reporting.


           Date:  February 7, 2008

                                                                    /s/ WILLIAM A. PRIDDY, JR.                
                                                                         William A. Priddy, Jr.
                                                                         Chief Financial Officer, Corporate Vice
                                                                         President of Administration and Secretary