The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2010
Filed:
May. 31, 2007
Robert J. Mcmorrow, Concord, MA (US);
Robert J. McMorrow, Concord, MA (US);
Star RF, Inc., Waltham, MA (US);
Abstract
Systems and methods for switching electronic signals are disclosed. The switching may be performed with a low loss and low peak voltages. The switching scheme is suitable for switching RF signals, for example, and may be used in devices such as wireless systems, terminals, and handsets. One exemplary embodiment is directed to a CMOS-implemented transmit/receive switching system. The system comprises one or more transmit ports, each coupled via a respective transmit path to an input/output port and one or more receive ports, each coupled via a respective receive path to the input/output port. Each receive path comprises a switching circuit comprising a transistor and an inductor in parallel with the transistor. The switching circuit is adapted to at least substantially isolate the respective receive port from the input/output port when the transistor is in an on state and operatively couple the respective receive port to the input/output port when the transistor is an off state.