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:
Mar. 23, 1993
Filed:
Oct. 18, 1991
Applicant:
Inventor:
Jorgen W Andersen, St. Cloud, FL (US);
Assignee:
Sawtek, Inc., Apopka, FL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H03B / ;
U.S. Cl.
CPC ...
331135 ; 3311 / ; 3311 / ;
Abstract
A coupled resonator filter oscillator having an impedance matching network coupled between an amplifier and a filter. The impedance value of the amplifier varies due to amplifier gain compression. The network maintains a constant impedance to the filter when said amplifier's impedance changes to preserve the filter's original transfer function.
Quick Actions:
Andersen, Jorgen. (1993). Oscillator circuit employing quadrature networks for maintaining a (U.S. Patent No. 5196811). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5196811
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