Exhibit 21 Name State or other Jurisdiction of Incorporation RFMD, LLC North Carolina RF Micro Devices Export, Inc. Barbados RF Micro Devices International, Inc. North Carolina RF Micro Devices UK Ltd United Kingdom RF Micro Devices (Holland) B.V. The Netherlands RF Micro Devices (Taiwan) B.V. The Netherlands RF Micro Devices, Svenska AB Sweden RF Micro Devices (Denmark) ApS Denmark RF Micro Devices (Finland) Oy Finland All of the above listed entities are 100% directly or indirectly owned by RF Micro Devices, Inc., and their results of operations are included in the consolidated financial statements.