Circuit arrangement with an antenna switch and a bandstop filter and corresponding method

US8970323B2 · kind B2 · utility

Assignee

• Infineon Technologies AG · DE

Inventors

• Winfried Bakalski · Birkenfeld, DE
• Nikolay Ilkov · Munich, DE

Key dates

• Filing date: Jul 19, 2011
• Grant date: Mar 3, 2015
• Expiry date: Jul 4, 2033

Classification

• Technology area (CPC H): Electricity
• CPC primary: H01P1/15
• WIPO field: Telecommunications
• WIPO sector: Electrical engineering

Abstract

Implementations are presented herein that include an antenna switch that includes a plurality of ports. A bandstop filter is coupled to at least one of the plurality of ports of the antenna switch and the bandstop filter is configured to attenuate a disturbing frequency. A transistor is configured to receive a control signal and to switch on the bandstop filter responsive to the control signal.