A fast analog front-end processor for digital imaging systems

被引：3
|
作者：
Opris, IE [1 ]
Watanabe, S [1 ]
机构：
[1] NuCore Technol Inc, Santa Clara, CA USA
来源：
IEEE MICRO | 2001年 / 21卷 / 02期
关键词：
D O I：
10.1109/40.918002
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
WITH HIGHER SENSOR RESOLUTIONS AVAILABLE, THE SPEED AND DYNAMIC RANGE REQUIREMENTS FOR IMAGE PROCESSORS IN DIGITAL IMAGING SYSTEMS ARE MORE DEMANDING. A 12-BIT, 50 MPIXELS/S DIGITAL IMAGE ACQUISITION SYSTEM BALANCES POWER AND PERFORMANCE. THE ANALOG PROCESSOR'S TOTAL POWER DISSIPATION IS ONLY 150 MW AT FULL SPEED-AN ENVIABLE QUALITY FOR THE PORTABLE MARKET. ALTHOUGH THE UNDERLYING TECHNIQUE REQUIRES SPECIAL ANALOG CIRCUITRY TO HANDLE FAST GAIN CHANGES, IT ACHIEVES A FAR WIDER DYNAMIC RANGE.
引用
收藏
页码：48 / 54
页数：7
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