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The presented paper introduces a design for a phase-locked loop (PLL) that is utilized in frequency synthesis and modulation-demodulation within communication systems and in VLSI applications. The CMOS PLL is designed using 180 nm…

Systems and Control · Electrical Eng. & Systems 2024-06-21 Priyam Kumar , Akshada Khele , Aditee C. Joshi

A clock synchronizing circuit for repeaterless low swing interconnects is presented in this paper. The circuit uses a delay locked loop (DLL) to generate multiple phases of the clock, of which the one closest to the center of the eye is…

Hardware Architecture · Computer Science 2015-10-15 Naveen Kadayinti , Maryam Shojaei Baghini , Dinesh K. Sharma

This paper presents a low power, low jitter LC phase locked loop (PLL) which has been designed and fabricated in a commercial 0.25-um Silicon-on-Sapphire CMOS technology. Random jitter and deterministic jitter of the PLL are 1.3 ps and 7.5…

Instrumentation and Detectors · Physics 2022-02-14 Tiankuan Liu

In this paper, we demonstrate a simple scheme of 6.835 GHz microwave frequency synthesizer based on the sub-sampling phase lock loop (PLL) technique. The application of the sub-sampling PLL is the key to simplify the architecture of the…

Atomic Physics · Physics 2022-04-19 Wenbing Li , Qiang Hao , Yuanbo Du , Shaoqing Huang , Peter Yun , Zehuang Lu

We report on the development and phase noise performance of a 9.1926 GHz microwave frequency synthesizer to be used as the local oscillator for a Cs fountain clock. It is based on frequency multiplication and synthesis from an ultralow…

Atomic Physics · Physics 2022-04-19 Wenbing Li , Yuanbo Du , Hui Li , Zehuang Lu

This paper presents a new fast switching hybrid frequency synthesizer with wide locking range. The hybrid synthesizer is based on the tanlock loop with no delay block (NDTL) and is capable of integer as well as fractional frequency…

Information Theory · Computer Science 2016-07-26 Ehab Salahat , Saleh R. Al-Araji , Mahmoud Al-Qutayri

Phase noise of the frequency synthesizer is one of the main limitations to the short-term stability of microwave atomic clocks. In this work, we demonstrated a low-noise, simple-architecture microwave frequency synthesizer for a coherent…

Instrumentation and Detectors · Physics 2021-03-04 Xiaodong Li , Peter Yun , Qinglin Li , Bowen Ju , Shaoshao Yu , Qiang Hao , Runchang Du , Feng Xu , Wenbing Li , Yuping Gao , Shougang Zhang

We present the test results of a low jitter Phase Locked Loop (PLL) prototype chip for the CMS Endcap Timing Layer readout chip (ETROC). This chip is based on the improved version of a clock synthesis circuit named ljCDR from the Low-Power…

Instrumentation and Detectors · Physics 2022-03-28 H. Sun , Q. Sun , S. Biereigel , R. Francisco , D. Gong , G. Huang , X. Huang , S. Kulis , P. Leroux , C. Liu , T. Liu , T. Liu , P. Moreira , J. Prinzie , J. Wu , J. Ye , L. Zhang , W. Zhang

Clock generators are an essential and critical building block of any communication link, whether it be wired or wireless, and they are increasingly critical given the push for lower I/O power and higher bandwidth in Systems-on-Chip (SoCs)…

Signal Processing · Electrical Eng. & Systems 2020-07-16 Ahmed Elnaqib , Hayate Okuhara , Taekwang Jang , Davide Rossi , Luca Benini

Integrated-photonics microchips now enable a range of advanced functionalities for high-coherence applications such as data transmission, highly optimized physical sensors, and harnessing quantum states, but with cost, efficiency, and…

A high-resolution clock phase shifter is implemented to adjust the phase of multiple clocks at 40 MHz, 80 MHz, or 640 MHz in the ALTIROC chip. The phase shifter has a coarse-phase shifter and a fine-phase shifter to achieve a step size of…

Instrumentation and Detectors · Physics 2023-02-08 X. Huang , C. de La Taille , D. Gong , C. Liu , T. Liu , M. Morenas , N. Seguin-Moreau , J. Ye , L. Zhang

Power dissipation in integrated circuits is one of the major concerns to the research community, at the verge when more number of transistors are integrated on a single chip. The substantial source of power dissipation in sequential…

Hardware Architecture · Computer Science 2018-05-22 Pritam Bhattacharjee , Bipasha Nath , Alak Majumder

As the demand for high-performance microprocessors increases, the circuit complexity and the rate of data transfer increases resulting in higher power consumption. We propose a clocking architecture that uses a series LC resonance and…

Systems and Control · Electrical Eng. & Systems 2022-05-18 Dhandeep Challagundla , Mehedi Galib , Ignatius Bezzam , Riadul Islam

This paper presents the analysis, design, fabrication, and measurement of an integrated low-noise amplifier (LNA) implemented using a 130 nm CMOS technology, operating in the 2.4 GHz band. The LNA is a crucial component in the performance…

Systems and Control · Electrical Eng. & Systems 2025-09-03 Jorge L. González-Rios , Juan C. Cruz Hurtado , Robson L. Moreno , Diego Vázquez

The upgrade of ATLAS Liquid Argon Calorimeter (LAr) Phase-1 trigger requires high-speed, low-latency data transmission to read out the Lar Trigger Digitizer Board (LTDB). A dual-channel transmitter ASIC LOCx2 have been designed and…

Signal Processing · Electrical Eng. & Systems 2018-06-04 Zhi-yue Wang , Tian-kuan Liu , Qi-jie Tang , Yi Feng , Jian Wang

This paper presents a low-area and low-power consumption CMOS differential current controlled oscillator (CCO) for neuromorphic applications. The oscillation frequency is improved over the conventional one by reducing the number of MOS…

Signal Processing · Electrical Eng. & Systems 2020-11-03 Xueyong Zhang , Jyotibdha Acharya , Arindam Basu

We present hardware/software techniques to intelligently regulate supply voltage and clock frequency of intermittently-computing devices. These devices rely on ambient energy harvesting to power their operation and small capacitors as…

Hardware Architecture · Computer Science 2025-03-28 Andrea Maioli , Kevin A. Quinones , Saad Ahmed , Muhammad H. Alizai , Luca Mottola

On a chassis of gear model, we have offered a quantitative description for our method to synthesize a chemical clock signal with various duty cycles in Part I. As Part II of the study, this paper devotes itself in proposing a design…

Molecular Networks · Quantitative Biology 2018-02-23 Chuan Zhang , Lulu Ge , Xiaohu You

Power dissipation in the sequential systems of modern CPU integrated chips (CPU-IC viz., Silicon Chip) is in discussion since the last decade. Researchers have been cultivating many low power design methods to choose the best potential…

Hardware Architecture · Computer Science 2018-06-07 Dhiraj Sarkar , Pritam Bhattacharjee , Alak Majumder

Passive and linear nonreciprocal networks at microwave frequencies hold great promises in enabling new front-end architectures for wireless communication systems. Their nonreciprocity has been achieved by disrupting the time-reversal…

Signal Processing · Electrical Eng. & Systems 2019-01-03 Ruochen Lu , John Krol , Liuqing Gao , Songbin Gong
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