SiGe HBT技术中的20gs /秒模数Sigma-Delta调制器

IEEE Custom Integrated Circuits Conference 2006 Pub Date : 2006-09-01 DOI:10.1109/CICC.2006.320909

Xiangtao Li, W. Kuo, Yuan Lu, J. Cressler

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引用次数: 4

摘要

本文提出了一种基于第三代200 GHz SiGe HBT技术的单片连续二阶模数σ - δ调制器。该调制器的采样率为20 GS/秒，在直流至312.5 MHz的信号频带内信噪比为30.5 dB，在1 MHz的带宽内信噪比为51 dB。在+3.5 V电源下工作，调制器的总功耗为490 mW。模具的面积为1.58 × 1.7 mm2

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A 20 GS/sec Analog-to-Digital Sigma-Delta Modulator in SiGe HBT Technology

This paper presents a monolithic continuous-time 2nd-order analog-to-digital sigma-delta modulator implemented in third-generation, 200 GHz SiGe HBT technology. The modulator can operate at a sampling rate of 20 GS/sec with SNRs of 30.5 dB over a signal band from DC to 312.5 MHz, and 51 dB over 1 MHz bandwidth. Operating off a +3.5 V power supply, the modulator dissipates a total of 490 mW. The die occupies an area of 1.58 times 1.7 mm2

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IEEE Custom Integrated Circuits Conference 2006

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