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:
Jan. 29, 2019
Filed:
Apr. 28, 2015
Teledyne Signal Processing Devices Sweden Ab, Linköping, SE;
Frida Bref, Linköping, SE;
Mikael Gustavsson, Linköping, SE;
Per Löwenborg, Linköping, SE;
Martin Olsson, Linköping, SE;
Teledyne Signal Processing Devices Sweden AB, Linköping, SE;
Abstract
Each realization of an electric circuit design defines a frequency response. For a test lot of the design, frequency responses are measured, each at a stable value of an environment parameter, wherein the totality of the values are distributed over a parameter range. Based on the measurements, a design-specific model is defined that describes a frequency response of the design in dependence of the environment parameter. For a unit in a main lot of realizations of the design, a unit-specific frequency response is measured at a stable value of the environment parameter; the model is fitted to the response, whereby a unit-specific model is obtained; data representing the unit-specific model is stored in association with the unit; and the unit is operated in conjunction with a compensation stage configured to determine a present value of the environment parameter and compensate drift in relation to a parameter-independent reference frequency response.