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首页> 外文期刊>IEEE Journal of Solid-State Circuits >An 8-b ADC with over-Nyquist input at 300-Ms/s conversion rate
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An 8-b ADC with over-Nyquist input at 300-Ms/s conversion rate

机译:一个具有300-Ms / s转换速率的过奈奎斯特输入的8-b ADC

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摘要

An 8-b flash analog-digital (A/D) converter (ADC) LSI for high-speed data acquisition systems such as digital oscilloscopes and wave digitizers is described. This converter can convert analog input signals over the Nyquist frequency (up to 200 MHz) at a conversion rate of 300 megasamples per second (Ms/s) without glitch errors. In addition, it can be operated at up to 440 Ms/s when input frequency is as low as 100 kHz. This ADC is fabricated by a 2.5- mu m, 10-GHz f/sub T/, Si bipolar technology called the advanced sidewall base contact structure (advanced SICOS) technology. For high-performance glitch error suppression, an inhibitory circuit and a comparator design with an inner clock buffer are developed. Both techniques require few hardware additions.
机译:描述了一种用于高速数据采集系统(如数字示波器和波数字化仪)的8-b闪存模数(A / D)转换器(ADC)LSI。该转换器可以在奈奎斯特频率(最高200 MHz)上以每秒300兆样本(Ms / s)的转换速率转换模拟输入信号,而不会出现毛刺错误。此外,当输入频率低至100 kHz时,它可以高达440 Ms / s的速度运行。该ADC是通过2.5微米,10 GHz f / sub T / Si双极技术制造的,这种技术称为高级侧壁基极接触结构(高级SICOS)技术。为了实现高性能的毛刺误差抑制,开发了带有内部时钟缓冲器的抑制电路和比较器设计。两种技术都需要很少的硬件添加。

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