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:
Jan. 06, 2004
Filed:
May. 08, 2001
Pierre Dobrovolny, North Riverside, IL (US);
Zenith Electronics Corporation, Lincolnshire, IL (US);
Abstract
A single balanced downconverter includes an insulated substrate with a primary circuit and a secondary circuit, each consisting of an open annular foil element, located on opposite sides of the substrate in juxtaposition with each other and having mutual coupling. A pair of mixing diodes is connected across the ends of the secondary element, which has its center connected to ground. A 2 local oscillator signal is applied to the primary circuit. A 1 IF signal is applied to, and a 2 IF signal is developed from, the secondary circuit.
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