http://reply.papertrans.cn/2/119/11824/11824-31.png
Submitted on: 03 February 2018.
Revised on: 14 March 2018.
Accepted on: 09 May 2018.
___________________IEEE JOURNAL OF SOLID-STATE CIRCUITS
http://reply.papertrans.cn/2/119/11824/11824-33.png
http://reply.papertrans.cn/2/119/11824/11824-34.png
http://reply.papertrans.cn/2/119/11824/11824-35.png
http://reply.papertrans.cn/2/119/11824/11824-36.png