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. 12, 2015
Filed:
Aug. 03, 2012
Yonghuang Zeng, San Diego, CA (US);
Branislav Petrovic, La Jolla, CA (US);
Yonghuang Zeng, San Diego, CA (US);
Branislav Petrovic, La Jolla, CA (US);
Entropic Communications, Inc., San Diego, CA (US);
Abstract
A cascaded diplexer to create a cascaded diplexer leg with selectable passbands has a cascaded diplexer circuit. The diplexer circuit has a plurality of first bandpass filters, each having a passband. The diplexer circuit has a second bandpass filter having a passband and two terminals, coupled in series with a first bandpass filter. First and second switches are coupled in series with the second bandpass filter and the first bandpass filter, the first and second switches being configured to selectably switch the second bandpass filter into the circuit. The passband of the second bandpass filter is chosen to limit the passband of the first bandpass filters, such that when the second bandpass filter is switched into the circuit, the passband of the diplexer leg is reduced. The passband of the second bandpass filter may be a subset of, or overlaps with, the passband of the first bandpass filter.