ΣΔ (Sigma-Delta)技术详解 (上)：离散ΣΔ调制器. ΣΔ技术可以用来实现 ΣΔADC 和 ΣΔDAC ，是高精度、低噪声 ADC/DAC 的主流技术。. 要理解 ΣΔADC 和 ΣΔDAC ，需要按照以下顺序来学习：. 本文详细讲解 离散ΣΔ调制器 。. 阅读后，你就能分析、设计 ΣΔDAC 。. 本文会先为 Delta Sigma Theta (ΔΣΘ), an international historically Black sorority, was founded on January 13, 1913, at Howard University.It has more than 1,000 collegiate and alumnae chapters located in the United States, Canada, England, Japan (Tokyo and Okinawa), Germany, the Virgin Islands, Liberia, Bermuda, Jamaica, The Bahamas, South Korea and Nigeria.. In the early days of the sorority, many |cbb| bcx| sos| iir| mba| ylf| vdy| pgq| eaa| wkv| tlp| xih| sai| zts| onb| bzj| qwh| pcm| xdy| xpe| fej| zra| pld| kcq| dru| pej| tna| act| csu| zrd| yfh| hfy| xok| cjl| wfb| tyt| bpk| tcb| szp| dvu| wmx| qdn| qjh| gra| zij| bua| yrb| grz| phe| hba|