Author Archive for Kunal Bhargava

January 29, 2013

Charging efficiency – a means to an end, or the end itself?

In my previous blog I talked about efficiency and using it to measure “how loose” a loosely coupled system actually is.  The next question is how much does an end-user […]

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January 21, 2013

Measuring efficiency for 2D wireless charging zones – which metric is best?

Efficiency is a commonly referenced performance metric for Wireless Power systems so I thought I would take the opportunity via blog to examine: a) how it is measured, and b) […]

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September 3, 2012

Defining power ranges for charging ecosystems – what does a universal solution look like?

A wireless power standard is essential to achieving true ubiquity of wireless charging of electronic devices. This is something wired charging has struggled to achieve just ask anyone who has […]

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August 29, 2012

What does loose coupling mean??

Coupling is a term widely used in discussing wireless power systems – it refers to a coupling coefficient ‘k’ which defines how well a transmitter and receiver are magnetically “linked” […]

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August 1, 2012

Do EMC radiation standards comprehensively cover wireless charging solutions?

EMC radiation standards are used to qualify electronic devices against interference with other electronic devices. A piece of wire that has a current running through it will generate electric and […]

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