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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Jong-Phil Hong Sung-Jin Kim Jenlung Liu Nan Xing Tae-Kwang Jang Jaejin Park Jihyun Kim Taeik Kim Hojin Park |
| Copyright Year | 2012 |
| Description | Author affiliation: Samsung Electronics, Yongin, Korea (Jong-Phil Hong; Sung-Jin Kim; Jenlung Liu; Nan Xing; Tae-Kwang Jang; Jaejin Park; Jihyun Kim; Taeik Kim; Hojin Park) |
| Abstract | As digital CMOS technology scales to 32nm and below, small and low-voltage clock and timing generators are in high demand to avoid complex analog operations and to meet stringent phase noise requirements. There have been several approaches to convert analog systems to their digital counterparts and a high-resolution time-to-digital converter (TDC) is a key element for the digitalization of analog circuits (Fig. 14.1.1). Recently, TDCs using a noise shaping technique with oversampling have been introduced to improve resolution [1]. However, they tend to be power hungry or require analog-intensive circuitry as they convert signals from the time domain to the voltage domain in order to perform arithmetic operations. A digital PLL (DPLL) is another crucial SoC component, and low-power area-efficient DPLLs are challenging to design. This paper presents a time-domain low-power ΔΣ TDC with a time-difference accumulator and an area-efficient, low-power, and fast-lock DPLL composed of a synthesizable bang-bang phase and frequency detector (BB-PFD), with a gain boosting mode and a pseudo-random number generator (PRNG). |
| Starting Page | 240 |
| Ending Page | 242 |
| File Size | 442965 |
| Page Count | 3 |
| File Format | |
| ISBN | 9781467303767 |
| ISSN | 01936530 |
| e-ISBN | 9781467303774 |
| DOI | 10.1109/ISSCC.2012.6176992 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2012-02-19 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Phase locked loops Phase noise Tuning Jitter Phase frequency detector Time domain analysis |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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