Submitted on: 22 May 2018.
Revised on: 31 July 2018.
Accepted on: 28 August 2018.
___________________IEEE Solid-State Circuits Letters
Submitted on: 10 December 2018.
Revised on: 21 March 2019.
Accepted on: 18 May 2019.
___________________IEEE Solid-State Circuits Letters
Submitted on: 13 February 2009.
Revised on: 23 April 2009.
Accepted on: 09 June 2009.
___________________IEEE Solid-State Circuits Letters
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