Digitally controlled oscillator design with a variable capacitance XOR gate

M Kumar, SK Arya, S Pandey - Journal of semiconductors, 2011 - iopscience.iop.org
A digitally controlled oscillator (DCO) using a three-transistor XOR gate as the variable load
has been presented. A delay cell using an inverter and a three-transistor XOR gate as the …

A process-independent and highly linear DCO for crowded heterogeneous IoT devices in 65-nm CMOS

J Gorji, MB Ghaznavi-Ghoushchi - IEEE Transactions on Very …, 2017 - ieeexplore.ieee.org
The Internet of Things (IoT) devices are manufactured under different fabrication quality
standards, considering the wide variety of vendors. As a result, global process variations in …

Low power digitally controlled oscillator designs with a novel 3-transistor XNOR gate

M Kumar, SK Arya, S Pandey - Journal of Semiconductors, 2012 - iopscience.iop.org
Digital controlled oscillators (DCOs) are the core of all digital phase locked loop (ADPLL)
circuits. Here, DCO structures with reduced hardware and power consumption having full …

A 2.7 to 4.6 GHz multi-phase high resolution and wide tuning range digitally-controlled oscillator in CMOS 65nm

J Gorji, MB Ghaznavi-Ghoushchi - 2016 24th Iranian …, 2016 - ieeexplore.ieee.org
In this paper, a digitally-controlled oscillator (DCO) with differential output and eight different
phases is proposed. The DCO is based on two-path ring oscillator (RO) with cross-coupled …

Ultra low voltage, wide tuning range voltage controlled ring oscillator

L Tianwang, J Jinguang, Y Bo… - 2011 9th IEEE …, 2011 - ieeexplore.ieee.org
An ultra low voltage, wide tuning range voltage controlled ring oscillator is presented in this
paper. The threshold voltage of PMOS and NMOS transistors is reduced by forward biasing …

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

S Dabas, M Kumar - SN Applied Sciences, 2023 - Springer
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 …

A new design of digitally controlled oscillator for low power applications

S Dabas, M Kumar - 2016 2nd International Conference on …, 2016 - ieeexplore.ieee.org
With the utilization of all-digital Phase locked loops (ADPLLs) in digital communication
systems, the use of digitally controlled oscillators (DCO) over voltage controlled oscillators …

Design of a 3-bit digital control oscillator (DCO) using IMOS varactor tuning

D Dwivedi, M Kumar - Analog Integrated Circuits and Signal Processing, 2019 - Springer
This paper presents a three-bit digital controlled oscillator (DCO) with three-stage ring
topology. The proposed DCO circuit has been realized in TSMC 0.18-μm CMOS technology …

A low-power digitally controlled ring oscillator design with IMOS varactor tuning concept

M Kumar - Journal of The Institution of Engineers (India): Series B, 2022 - Springer
This work reports a new circuit of a three-bit digital controlled ring oscillator (DCRO) in
TSMC 180 nm CMOS technology with low-power consumption. The reported DCRO circuit is …

[HTML][HTML] Dual-Delay-Path Ring Oscillator with Self-Biased Delay Cells for Clock Generation

A de Matos Pinto Jr, RRN Souza, MB Castro… - Circuits and …, 2023 - scirp.org
This work summarizes the structure and operating features of a high-performance 3-stage
dual-delay-path (DDP) voltage-controlled ring oscillator (VCRO) with self-biased delay cells …