A 1.2 V Rail-to-Rail Analog CMOS Rank-Order Filter with k-WTA Capability

被引：0
|
作者：
Yu-Cherng Hung
Bin-Da Liu
机构：
[1] National Cheng Kung University,Department of Electrical Engineering
来源：
Analog Integrated Circuits and Signal Processing | 2002年 / 32卷
关键词：
low voltage operation; rank-order filter; -WTA;
D O I：
暂无
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学科分类号：
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 μm 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 μs 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 μW.
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页码：219 / 230
页数：11
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