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Abstract:
介绍一种用于流水线ADC的采样保持电路.该电路选取电容翻转式电路结构,不仅提高整体的转换速度,而且减少因电容匹配引起的失真误差;同时使用栅压自举采样开关,有效地减少了时钟馈通和电荷注入效应;采用全差分运算放大器能有效的抑制噪声并提高整体的线性度.该采样保持电路的设计是在0.5 μm CMOS工艺下实现,电源电压为5 V,采样频率为10 MHz,输入信号频率为1 MHz时,输出信号无杂散动态范围(SFDR)为73.4 dB,功耗约为20 mW.
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电子器件
ISSN: 1005-9490
CN: 32-1416/TN
Year: 2010
Issue: 2
Volume: 33
Page: 170-173
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count: -1
Chinese Cited Count:
30 Days PV: 3
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