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:
Feb. 14, 2006
Filed:
Aug. 03, 2004
Adam E. Robertson, Rohnert Park, CA (US);
Lon A. Dearden, Santa Rosa, CA (US);
Adam E. Robertson, Rohnert Park, CA (US);
Lon A. Dearden, Santa Rosa, CA (US);
Agilent Technologies, Inc., Palo Alto, CA (US);
Abstract
A switch selectively provides one of a first input signal at a first frequency and a second input signal at a second frequency to an output terminal with low insertion loss and high isolation between the first and second input signals. The first input signal is received at a first input terminal and the second input signal is received at a second input terminal. A switching element electrically connects the first input terminal and the output terminal to provide the first input signal to the output terminal in a first state and isolates the first input terminal from the output terminal in a second state. A bias line is electrically connected to provide a control signal to the switching element to select between the first state and the second state. An AC coupled transmission line is electrically connected to the second input terminal and electrically connected between the switching element and the output terminal. The control signal is provided through the AC coupled transmission line when the switching element is in the first state to isolate the second input terminal from the output terminal and provide the first input signal to the output terminal. The second input signal is provided DC coupled to the output terminal through the AC coupled transmission line when the switching element is in the second state.