A Novel Wide Tuning Range Differential Ring Oscillator Application in Dynamically Stable and 1.17 s Lock Time CP-PLL Frequency Synthesizer

R Ahmad, GK Sharma, D Boolchandani… - Circuits, Systems, and …, 2023 - Springer
A novel delay cell circuit for differential ring oscillator (DRO) with large tuning range along
with application in charge pump phase lock loop (CP-PLL) frequency synthesizer has been …

A wide tuning range CMOS differential ring VCO using an active inductor for wireless applications

M Alijani, M Javanmardi… - International Journal of …, 2024 - Wiley Online Library
A differential ring voltage‐controlled oscillator (DRVCO) is proposed in this paper as one of
the critical blocks in communication systems. It consists of four stages of delay cells …

The design and analysis of dual control voltages delay cell for low power and wide tuning range ring oscillators in 65 nm CMOS technology for CDR applications

S Salem, M Tajabadi, M Saneei - AEU-International Journal of Electronics …, 2017 - Elsevier
In this paper three delay cell structures used in four-stage ring oscillator are evaluated. In the
first structure, the control voltage is employed to the gate of PMOS transistors which are …

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 …

Low-voltage, full-swing voltage-controlled oscillator with symmetrical even-phase outputs based on single-ended delay cells

SF Wang - IEEE transactions on very large scale integration …, 2014 - ieeexplore.ieee.org
Implementing a symmetrical even-phase ring-type voltage-controlled oscillator (VCO) is
difficult when using a full-swing single-ended delay cell; however, the full-swing …

Low power current-mode voltage controlled oscillator for 2.4 GHz wireless applications

J ** - Computers & Electrical Engineering, 2014 - Elsevier
In this paper, a new Complementary Metal Oxide Semiconductor (CMOS) low power
Quadrature Voltage Controlled Oscillator (QVCO) based on Chartered 0.18 μm Radio …

Low power wide tuning range differential ring VCO designs with I-MOS and A-MOS varactor

N Kumar, M Kumar - AEU-International Journal of Electronics and …, 2021 - Elsevier
This manuscript reports two new designs of dual delay cells based on inversion mode MOS
(I-MOS) and accumulation mode MOS (A-MOS) varactor for low power and wide tuning …

A low-noise voltage-controlled ring oscillator in 28-nm FDSOI technology for UWB applications

M Abou Chahine, H Bazzi, A Mohsen, A Harb… - … -International Journal of …, 2018 - Elsevier
In millimeter wave systems, performance degradation mainly occurs due to high phase
noise of voltage-controlled oscillators (VCOs). This paper proposes a low power, low phase …

A low-power quadrature voltage-controlled oscillators with LC emitter degeneration phase shift technique

J Lin, J Li, Z Luo, M Yu - AEU-International Journal of Electronics and …, 2024 - Elsevier
This paper introduces a novel phase-shifting technique for quadrature voltage-controlled
oscillators (QVCOs) utilizing an LC emitter degeneration architecture. The proposed …

A wide tuning range, low noise oscillator with FoM of-188 dBc/Hz in 45 nm CMOS

GK Sharma, TB Kumar, AK Johar… - AEU-International Journal …, 2020 - Elsevier
A wide tuning range, low phase noise oscillator with 3 stage differential configuration is
presented. GPDK 45 nm CMOS Technology is selected for the design and simulation of the …