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Filtering by: Creator Zhang, Zhenyong Remove constraint Creator: Zhang, Zhenyong Subject Analog-to-digital converters Remove constraint Subject: Analog-to-digital converters

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  • Novel structures for high-speed delta-sigma data converters

    Creator:
    Chae, Jeong Seok
    Abstract:
    As CMOS processes keep scaling down devices, the maximum operating frequencies of CMOS devices increase, and hence circuits can process very wide band signals. Moreover, the small physical dimensions of transistors allow the placing of many more blocks into a single chip, including highly accurate analog blocks and complicated digital...
    Resource Type:
    Dissertation
    Full Text:
    Nishida, Zhenyong Zhang, Qingdong Meng, Dave Gubbins, Rob Gregoire, Musah Tawfiq, Nima Maghari, Omid

  • High efficiency wideband low-power delta-sigma modulators

    Creator:
    Lee, Sang Hyeon
    Abstract:
    Delta-sigma analog-to-digital converters traditionally have been used for low speed, high resolution applications such as measurements, sensors, voice and audio systems. Through continued device scaling in CMOS technology and architectural and circuit level design innovations, they have even become popular for wideband, high dynamic range applications such as wired and...
    Resource Type:
    Dissertation
    Full Text:
    Choi, Dongyoung Jang and Justin Kim and also want to express thank Zhenyong Zhang, Yoshio Nishida

  • Low-power double-sampled delta-sigma modulator for broadband applications

    Creator:
    Shen, Weilun
    Abstract:
    High speed and high resolution analog-to-digital converter is a key building block for broadband wireless communications, high definition video applications, medical images and so on. By leveraging the down scaling of the latest CMOS technology and the noise shaping properties, delta-sigma (ΔΣ) ADCs are able to achieve wide-band operation and...
    Resource Type:
    Dissertation
    Full Text:
    , Jinjin He, Zhenyong Zhang, Na An, Xiaoran Gao, Zhiqing Zhang, Xuefeng Chen, Tao Jiang, Changhui Hu