Low-voltage differential voltage follower for WTA and fully differential applications

被引：2
|
作者：
Padilla-Cantoya, Ivan [1 ]
Furth, Paul M. [2 ]
Molinar-Solis, Jesus E. [3 ]
Diaz-Sanchez, Alejandro [4 ]
机构：
[1] ITESO, DESI, Tlaquepaque, Jalisco, Mexico
[2] New Mexico State Univ, Klipsch Sch Elect & Comp Engn, Las Cruces, NM 88001 USA
[3] UAEM, Fac Ingn, Ecatepec, Estado De Mexic, Mexico
[4] INAOE, Natl Inst Astrophys Opt & Elect, Puebla, Mexico
来源：
IEICE ELECTRONICS EXPRESS | 2012年 / 9卷 / 06期
关键词：
analog CMOS integrated circuits; winner-take-all (WTA) analog circuits;
D O I：
10.1587/elex.9.491
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A low-voltage differential version of a high performance voltage follower is presented. The proposed circuit is very compact, and symmetric with respect to the input devices. Both differential input devices are enhanced by local shunt feedback, increasing the gain and, thus, reducing the output resistance for higher precision. The circuit has proved useful as a winner-take-all (WTA) circuit. It also features operation as a fully differential amplifier with low supply voltage requirements close to a transistor's threshold voltage. Experimental results verifying the operation of the proposed structure are provided.
引用
收藏
页码：491 / 495
页数：5
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