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:
Apr. 15, 2003
Filed:
May. 24, 2000
Mikhail Mordkovich, Brooklyn, NY (US);
Scientific Components, Corp., Brooklyn, NY (US);
Abstract
A variable frequency oscillator which exhibits low phase noise by increasing the quality factor of the resonator in the oscillator circuit. This is achieved by employing multiple means of decoupling the resonator from all elements and circuits to which the resonator is connected. For example, the resonator is decoupled from the whole oscillator circuitry by connecting the oscillator to a tap on the resonator which reflects the oscillator as a lighter load across the entire resonator. The resonator is further decoupled from the emitter to the base junction circuitry by placing a impedance network between the base of the transistor and the ground. Additional decoupling circuitry is employed to reduce the loading of the resonator due to the external oscillator load.