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:
Aug. 13, 1991
Filed:
Aug. 15, 1989
Gerald L Somer, Sebastopol, CA (US);
AMP Incorporated, Harrisburg, PA (US);
Abstract
A diode tuned resonant circuit (42) with an inductor (L1) a first variable reactance diode (VAR1) connected in parallel with the inductor (L1), and a second variable reactance diode (VAR2) connected in series with the parallel combination of the inductor (L1) and first diode (VAR1) is used in an oscillator circuit. The resonant frequency of the circuit may be adjusted over a relatively broad frequency range while maintaining a relatively constant Q-factor by applying a biasing voltage to the first and second diodes (VAR1, VAR2).
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