Integrated circuit, current sense circuit for a pulse width modulation driver and method therefor
US-2015377933-A1 · Dec 31, 2015 · US
System and method for photonically assisted analog to digital signal conversion
US8963751B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8963751-B2 |
| Application number | US-201113990161-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 29, 2011 |
| Priority date | Nov 29, 2010 |
| Publication date | Feb 24, 2015 |
| Grant date | Feb 24, 2015 |
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Abstract
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A photonically assisted analog to digital conversion (ADC) system is presented. The system comprises: an optical sampling signal generator configured and operable for generating an optical sampling signal comprising a predetermined sampling pulse sequence in the form of a time separated pulse train of spectral components dispersed in a periodic fashion, where each pulse is distinguishable by a central wavelength thereof different from its neighboring pulses. The generation of the pulse sampling sequence is achieved by combining broadband dispersion and compensation with a periodic dispersion compensator having a free spectral range smaller than the broad bandwidth of the ultrashort pulse. The second innovative element is the introduction of coherent detection with oversampling of the interference terms of the phase modulated pulse sampling sequence and a reference pulse. The over-sampling provides additional measurements of the beat term and by way of error minimization a more reliable phase estimation is provided, translated into a more accurate conversion to digital representation. The system further comprises an electro-optical modulator for interacting an input electric analog signal and an optical sampling signal and generating a modulated optical signal indicative of said input signal; and a detection system configured and operable for receiving said modulated optical signal and generating an output digital signal corresponding to said input electric analog signal.
First claim
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The invention claimed is: 1. A photonically assisted analog to digital conversion (ADC) system comprising: an optical sampling signal generator configured and operable for generating an optical sampling signal comprising a predetermined sampling pulse sequence in the form of a time separated pulse train of spectral components, where each pulse is distinguishable by a central wavelength thereof different from its neighboring pulses; an electro-optical modulator for interacting an…
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Physics · mapped topic
Electricity · mapped topic
- H03M1/1205Primary
Electricity · mapped topic
- H03M1/1245Primary
Electricity · mapped topic
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- What does patent US8963751B2 cover?
- A photonically assisted analog to digital conversion (ADC) system is presented. The system comprises: an optical sampling signal generator configured and operable for generating an optical sampling signal comprising a predetermined sampling pulse sequence in the form of a time separated pulse train of spectral components dispersed in a periodic fashion, where each pulse is distinguishable by a …
- Who is the assignee on this patent?
- Marom Dan Mark, Yissum Res Dev Co
- What technology area does this patent fall under?
- Primary CPC classification H03M1/1205. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Feb 24 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).