A Two-Stage Ring Oscillator in 0.13- CMOS for UWB Impulse Radio

B Fahs, WY Ali-Ahmad… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
We present a two-stage digitally controlled ring oscillator designed mainly for impulse-radio
ultra-wideband (UWB) applications. Each basic stage utilizes a local positive feedback …

Low phase noise wide tuning range N-push cyclic-coupled ring oscillators

MM Abdul-Latif… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
Cyclic-coupled ring oscillators (CCRO) provide several unique features over regular ring
oscillators such as availability of multiple sets of phase-shifted outputs and reduced phase …

Design of CMOS-based low-power high-frequency differential ring VCO

N Kumar, M Kumar - International journal of Electronics letters, 2019 - Taylor & Francis
An improved design of four-stage CMOS differential ring voltage-controlled oscillator (VCO)
with high-output frequency, low phase noise, and low power consumption is proposed in this …

A novel high-speed CMOS fully-differentical ring VCO

C Zhang, Z Li, J Fang, J Zhao, Y Guo… - 2014 12th IEEE …, 2014 - ieeexplore.ieee.org
Based on a standard 0.18 μm CMOS technology, a novel four-stage fully-differential ring
voltage-controlled oscillator (VCO) with high speed, low power and a wide tuning range is …

Multiloop high-power-supply-rejection quadrature ring oscillator

EJ Pankratz, E Sánchez-Sinencio - IEEE Journal of Solid-State …, 2012 - ieeexplore.ieee.org
This paper presents a source-follower-delay-cell, multiloop ring oscillator that provides
power-supply isolation. The main contributions of this work are a source-follower-based …

A 0.18 μm CMOS ring VCO for clock and data recovery applications

C Sánchez-Azqueta, S Celma, F Aznar - Microelectronics Reliability, 2011 - Elsevier
In this paper, a 3.125 GHz four stage voltage controlled ring oscillator is presented. The
oscillator has been designed in a 0.18 μm CMOS process with a 1.8 V supply. Behavioral …

A 1.8 V 2.5-5.2 GHz CMOS dual-input two-stage ring VCO

WH Tu, JY Yeh, HC Tsai… - Proceedings of 2004 IEEE …, 2004 - ieeexplore.ieee.org
A 1.8 V 2.5-to-5.2 GHz dual-input two-stage CMOS voltage-controlled ring oscillator (VCO) is
presented. A novel delay cell used for the two-stage ring VCO is proposed to achieve low …

Low power CMOS differential ring VCO designs using dual delay stages in 0.13​ μm technology for wireless applications

N Kumar, M Kumar - Microelectronics Journal, 2021 - Elsevier
This manuscript postulates two new designs of dual-delay stage for the four-stage CMOS
differential ring voltage controlled oscillators (VCOs). Ring VCOs designs use dual-delay …

Full range voltage-controlled ring oscillator in 0.18 µm CMOS for low-voltage operation

YS Tiao, ML Sheu - Electronics letters, 2010 - IET
A new differential delay cell with a complementary current control to increase the control
voltage range as well as the operation frequency is proposed for low-voltage operation. The …

Active inductor based cross coupled differential ring voltage controlled oscillator for UWB applications

MM Kiloo, V Singh, M Kumar, N Kumar… - International Journal of …, 2023 - Springer
A novel circuit of cross coupled negative channel metal oxide semiconductor (NMOS) active
inductor based delay cell with low power and wide tuning range is proposed for a four stage …