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:
Sep. 22, 1998
Filed:
Jan. 30, 1997
Angelo R Mastrocola, West Lawn, PA (US);
Lucent Technologies Inc., , DE (US);
Abstract
The gain-bandwidth product for an integrated circuit is stabilized by operating a first capacitance element that tracks a load capacitance of an integrated circuit to be stabilized over a given range of ambient operating conditions, and operating a first control element having a control terminal and first and second controlled terminals in a triode operating region. The conductance of the first control element is set to correspond to an effective conductance of the first capacitance element by developing a feedback control voltage and coupling the control voltage to the control terminal of the first control element. The control voltage is also coupled to a control terminal of a second control element, and a controlled terminal current of the second control element is coupled to the integrated circuit to be stabilized while operating the second control element in a saturation region. The gain-bandwidth product of the integrated circuit is controlled with respect to ambient operating conditions by establishing a bias current in the integrated circuit that corresponds to the controlled terminal current of the second control element.