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Method and system for measuring a time constant of an integrated circuit, and integrated circuit provided with such a system
US9030213B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9030213-B2 |
| Application number | US-201013148274-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jan 28, 2010 |
| Priority date | Jan 28, 2009 |
| Publication date | May 12, 2015 |
| Grant date | May 12, 2015 |
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Abstract
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A method and system for measuring a time constant RC of an integrated electronic circuit is provided. This integrated circuit may be made up of a first hardware component and of a second hardware component wherein one of the hardware components is a resistive element and the other is a capacitive element. The first and the second hardware components are connected to an inverting input of an operational amplifier of an integrator of a delta-sigma modulator. A DC voltage is applied to the modulator input. The output signal Q s of the modulator is measured with the aid of an analog/digital converter, and the value of the time constant RC is determined on the basis of at least one measurement of the level of the DC component of the output signal Q s of the modulator carried out with the air of a measurement counter circuit.
First claim
Opening claim text (preview).
The invention claimed is: 1. A method for measuring a time constant (RC) of an integrated electronic circuit made up of a first hardware component and of a second hardware component, wherein a first terminal of the first and of the second hardware components is coupled to an inverting input of an operational amplifier of a circuit within the integrated electronic circuit, the method comprising: applying a continuous analog input signal to a second terminal of the first hardware co…
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- H03H11/12Primary
Electricity · mapped topic
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- What does patent US9030213B2 cover?
- A method and system for measuring a time constant RC of an integrated electronic circuit is provided. This integrated circuit may be made up of a first hardware component and of a second hardware component wherein one of the hardware components is a resistive element and the other is a capacitive element. The first and the second hardware components are connected to an inverting input of an ope…
- Who is the assignee on this patent?
- Andre Eric, St Ericsson Sa
- What technology area does this patent fall under?
- Primary CPC classification H03H11/12. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue May 12 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).