Implementation of an asynchronous current-mode ADC with adaptive quantization

被引：0
|
作者：
Virtanen, Kati [1 ]
Pankaala, Mikko [1 ,2 ]
Laiho, Mika [1 ]
Paasio, Ari [1 ]
机构：
[1] Univ Turku, Dept Informat Technol, Microelect Lab, Lemminkaisenkatu 14 A, FIN-20520 Turku, Finland
[2] TUCS, Turku Ctr Comp Sci, FIN-20520 Turku, Finland
来源：
2006 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, VOLS 1-11, PROCEEDINGS | 2006年
基金：
芬兰科学院;
关键词：
D O I：
暂无
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents the measurement results for an analog to digital converter (ADC), which is targeted to operate especially in a video encoding system. It is designed to convert the dc coefficients of a current-mode discrete cosine transform into digital form. The converter is able to change its quantization factor adaptively, fulfilling the demands of several video compression standards. The maximum conversion resolution is 71 bits. The measurements verify correct operation of the converter 2 in terms of input-output behaviour and adaptivity of the quantization.
引用
收藏
页码：1519 / +
页数：2
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