A 20gsps Broadband Sigma-Delta ADC in InP DHBT Technology

Yang Wang,Kun Liu, Chunlin Han,Youtao Zhang,Xiaopeng Li,Lei Yang,Yufeng Guo,Yi Zhang

2022 International Conference on Microwave and Millimeter Wave Technology (ICMMT)（2022）

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Key words

analog-to-digital converter,broadband sigma-delta ADC,clock sampling rate,continuous time ultra-high speed broadband,DHBT process,DHBT technology,frequency 620.12 MHz,high linearity current steering,InP/int,low-pass second-order Σ-Δ modulator,opamp,signal-to-noise ratio,size 0.7 mum,spurious free dynamic range,system level simulation,voltage 1000.0 mV,word length 2.0 bit,Σ-Δ ADC

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