Submitted on: 10 May 2010.
Revised on: 27 July 2010.
Accepted on: 15 August 2010.
___________________IEEE Solid-State Circuits Letters
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Submitted on: 05 March 2009.
Revised on: 02 May 2009.
Accepted on: 25 June 2009.
___________________IEEE Solid-State Circuits Letters
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Submitted on: 24 July 2017.
Revised on: 17 November 2017.
Accepted on: 10 December 2017.
___________________IEEE Solid-State Circuits Letters
Submitted on: 16 November 2005.
Revised on: 05 January 2006.
Accepted on: 24 January 2006.
___________________IEEE Solid-State Circuits Letters
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