A 1.2 V rail-to-rail analog CMOS rank-order filter with k-WTA capability

被引：9

作者：

Hung, YC ^{[1
]}

Liu, BD ^{[1
]}

机构：

[1] Natl Cheng Kung Univ, Dept Elect Engn, Tainan 70101, Taiwan

来源：

ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING | 2002年 / 32卷 / 03期

关键词：

low voltage operation; rank-order filter; k-WTA;

D O I：

10.1023/A:1020395524854

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

In this paper, we design a rank-order filter with k-WTA capability for 1.2 V supply voltage. The circuit can find a rank order among a set of input voltages by setting different binary signals. Moreover, without modifying the circuit, the k-WTA function can be easily configured. The circuit has been designed using a 0.5 mum DPDM CMOS technology. Seven input voltages are used to verify the performance of the circuit. The results of HSPICE post-layout simulation show that the response time of the circuit is 10 mus for each rank-order operation, the input dynamic range is rail-to-rail, and the resolution is 10 mV for 1.2 V supply voltage. An experimental chip has been fabricated, in which accuracy of the comparator is measured as 40 mV for low-voltage operation. The dynamic power dissipation of the chip is 550 muW.

引用

页码：219 / 230

页数：12

共 13 条

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Yu-Cherng Hung
Bin-Da Liu
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