Results 1 to 10 of about 375,340 (303)

Digitally Controlled Oscillator with High Timing Resolution and Low Complexity for Clock Generation [PDF]

Sensors, 2021
This paper presents a digitally controlled oscillator (DCO) with a low-complexity circuit structure that combines multiple delay circuits to achieve a high timing resolution and wide output frequency range simultaneously while also significantly reducing
Duo Sheng, Wei-Yen Chen, Hao-Ting Huang, Li Tai   +3 more
doaj   +3 more sources

A Low Supply Voltage All-Digital Phase-Locked Loop With a Bootstrapped and Forward Interpolation Digitally Controlled Oscillator

IEEE Access, 2021
An all-digital phase-locked loop (ADPLL) with a multiphase digitally controlled oscillator (DCO) incorporating the bootstrapped and interpolated schemes is proposed in this paper.
Jen-Chieh Liu, Yu-Ping Li
doaj   +2 more sources

An ADPLL-Based GFSK Modulator with Two-Point Modulation for IoT Applications [PDF]

Sensors
To establish ubiquitous and energy-efficient wireless sensor networks (WSNs), short-range Internet of Things (IoT) devices require Bluetooth low energy (BLE) technology, which functions at 2.4 GHz. This study presents a novel approach as follows: a fully
Nam-Seog Kim
doaj   +2 more sources

An optimized DCO with modified binary-weighted DCTLs based hybrid tuning banks for an E-band DPLL [PDF]

Scientific Reports
An optimized millimeter-wave digital controlled oscillator (DCO) in a 40-nm CMOS process is presented in this work. The coarse-tuning modules and medium-tuning modules of the DCO utilize modified binary-weighted digitally controlled transmission lines ...
Lu Tang, Zichuan Yu, Yujia Lu, Zhiqi Jin, Sicong Xia, Youming Zhang, Xusheng Tang   +6 more
doaj   +2 more sources

Design of novel hybrid - digitally controlled oscillator for ADPLL

Memories - Materials, Devices, Circuits and Systems, 2023
Digitally Controlled Oscillators (DCOs) are an integral part of All Digital Phase Locked Loops (ADPLLs). It is used to generate output frequency corresponding to the applied digital input.
Mohd Ziauddin Jahangir, Paidimarry Chandra Sekhar   +1 more
doaj   +1 more source

Comparison of System-Level Design Approaches on Different Types of Digitally-Controlled Ring-Oscillator

Technologies, 2021
This paper presents a comparative study between two different implementations of digitally-controlled-oscillators (DCOs), whcih is the DAC-based and the digital controller-based DCO in TSMC 65 nm CMOS technology.
Santthosh Selvaraj, Erkan Bayram, Renato Nega   +2 more
doaj   +1 more source

Power-Optimized Digitally Controlled Oscillator in 28-nm CMOS for Low-Power FMCW Radars

IEEE Microwave and Wireless Components Letters, 2021
This work presents the design of a 24-GHz digitally controlled oscillator (DCO) in an advanced 28-nm bulk CMOS technology for short-range frequency-modulated continuous-wave radar system-on-chip for mobile and Internet-of-Things devices.
Francesco Chicco, Sammy Cerida Rengifo, F. Pengg, Erwan Le Roux, C. Enz   +4 more
semanticscholar   +1 more source

Mathematical modelling and simulation of a wideband PLL for application in frequency synthesizers

e-Prime: Advances in Electrical Engineering, Electronics and Energy, 2023
In this paper the mathematical modelling of the Voltage Controlled Oscillator, Phase Frequency Detector, Low Pass Filter, Charge pump for designing a PLL circuit is proposed. Based on the modelling schematics are designed and proposed for the application
Monika Bhardwaj, Sujata Pandey
doaj   +1 more source

A low power varactor based digitally controlled oscillator design in 180 nm CMOS technology

SN Applied Sciences, 2023
This paper reports two distinct architectures for digitally-controlled oscillators (DCOs) utilizing MOS varactor, designed in TSMC 180 nm CMOS technology. The first DCO design employs a CMOS inverter, while the second design features a Three-Transistors (
Shweta Dabas, Manoj Kumar
doaj   +1 more source

An Ultra-Low-Power 2.4 GHz All-Digital Phase-Locked Loop With Injection-Locked Frequency Multiplier and Continuous Frequency Tracking

IEEE Access, 2021
This paper presents a 0.46 mW and 2.4 GHz; All-Digital Phase-Locked Loop (ADPLL) through an Injection-Locked Frequency Multiplier (ILFM) and Continuous Frequency Tracking Loop (CFTL) circuitry for low power Internet-of-Thing (IoT) applications.
Muhammad Riaz Ur Rehman, Arash Hejazi, Imran Ali, Muhammad Asif, Seongjin Oh, Pervesh Kumar, Younggun Pu, Sang-Sun Yoo, Keum Cheol Hwang, Youngoo Yang, Yeonjae Jung, Hyungki Huh, Seokkee Kim, Joon-Mo Yoo, Kang-Yoon Lee   +14 more
doaj   +1 more source