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:
Dec. 23, 2014
Filed:
Feb. 18, 2014
Applicant:
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Inventors:
Muhammad Taher Abuelma'atti, Dhahran, SA;
Zainulabideen Jamal Khalifa, Dhahran, SA;
Assignee:
King Fahd University of Petroleum and Minerals, Dhahran, SA;
Primary Examiner:
Int. Cl.
CPC ...
H03B 5/02 (2006.01);
U.S. Cl.
CPC ...
H03B 5/02 (2013.01);
Abstract
A current controlled operational transconductance amplifier based sinusoidal oscillator circuit that provides oscillation based on the transconductance and parasitic capacitance of the operational transconductance amplifier without externally connected capacitances. The oscillation frequency is adjusted through a variable current source or a variable resistor with a DC voltage source.