← 返回 JSSC 论文列表JSSC 2009第5期Data Converters130-nm SiGe BiCMOSDelta-Sigma ADC
A 1 GHz Bandwidth Low-Pass /1/6ADC With 20–50 GHz Adjustable Sampling Rate Adam Hart, Student Member , IEEE, and Sorin P. V oinigescu, Senior Member , IEEE
一款1 GHz带宽、20-50 GS/s可调采样率的低通连续时间ΔΣ ADC。
165 GHz-130-nm SiGe BiCMOS, 2.5V, 20-50 GS/s, 350 mW
模数转换连续时间ΔΣ低通SiGe BiCMOS
▸首次实现1 GHz带宽的ΔΣ ADC
▸利用现代硅技术的高晶体管性能
▸推导了量化器增益与性能关系的解析表达式
Abstract
u, Senior Member , IEEE
Abstract—A low-pass continuous-time delta-sigma data con-
verter with adjustable sampling rate from 20–50 GS/s has been
demonstrated in a production 165 GHz-
130-nm SiGe BiCMOS
process. The ADC exploits the high transistor
of modern
silicon technologies to achieve an ENOB of 7 bits over a 500 MHz
passband and 6 bits over a 1 GHz passband while consuming
350 mW from a 2.5 V supply (650 mW including on chip clock
distribution and output driver); marking the first delta-sigm