Submitted on: 02 July 2017.
Revised on: 05 August 2017.
Accepted on: 19 September 2017.
___________________IEEE Solid-State Circuits Letters
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Submitted on: 02 May 2006.
Revised on: 06 August 2006.
Accepted on: 23 August 2006.
___________________IEEE Solid-State Circuits Letters
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Submitted on: 11 May 2014.
Revised on: 04 August 2014.
Accepted on: 27 August 2014.
___________________IEEE Solid-State Circuits Letters
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Submitted on: 10 April 2010.
Revised on: 08 August 2010.
Accepted on: 02 October 2010.
___________________IEEE Solid-State Circuits Letters