Design of low phase noise VCO considering C/L ratio of LC resonator in 0.18-μm CMOS technology

N Jahan, A Barakat, RK Pokharel - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
A voltage-controlled oscillator (VCO) is usually designed by maximizing the quality (Q-)
factor of the LC-tank resonator to realize a low phase noise. For the same frequency, the …

On-Chip Millimeter-Wave DGS Based Bandstop Filter in 0.18-μm CMOS Process

SK Thapa, RK Pokharel, B Chen… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Defected Ground Structure (DGS) based on-chip bandstop filter (BSF) design is proposed
for millimeter-wave applications. In the proposed structure, a capacitively loaded T-shape …

Analysis and Implementation of High-Q CT Inductor for Compact and Wide- Tuning Range Ku-Band VCO

I Mansour, M Aboualalaa, A Barakat… - IEEE Microwave and …, 2020 - ieeexplore.ieee.org
This work presents a new structure of center tap (CT) inductor to improve the performance of
Ku-band voltage-controlled oscillators (VCOs). Conventional CT inductor provided by the …

Utilization of Multi-Resonant Defected Ground Structure Resonators in the Oscillator Feedback for Phase Noise Reduction of K-Band VCOs in 0.18- m CMOS …

N Jahan, C Baichuan, A Barakat… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This work proposes a new theory to reduce the phase noise of K-band Voltage-Controlled
Oscillators (VCOs) in Complementary Metal Oxide Semiconductor (CMOS) process by …

A K-band VCO employing high active Q-factor defected ground structure resonator in 0.18 pm CMOS technology

N Jahan, C Baichuan, RK Pokharel… - … Symposium on Circuits …, 2018 - ieeexplore.ieee.org
In this paper, a new theory to improve the phase noise of a Voltage-Controlled Oscillator
(VCO) utilizing dual series and parallel resonance to improve the susceptance slope …

A −192.7-dBc/Hz FoM -Band VCO Using a DGS Resonator With a High-Band Transmission Pole in 0.18- m CMOS Technology

N Jahan, A Barakat, RK Pokharel - IEEE Microwave and …, 2019 - ieeexplore.ieee.org
This letter presents the improvement of the phase noise (PN) of a voltage-controlled
oscillator (VCO) by using a defected ground structure (DGS) resonator with a high-band …

Design of a K-Band VCO Implementing T-Type LC Network in 0.18-μm CMOS Technology

N Jahan, RK Pokharel - IEEE Microwave and Wireless …, 2023 - ieeexplore.ieee.org
A symmetrical T-type LC network is presented to design a low-noise quasi-millimeter-wave
voltage-controlled oscillator (VCO) for the first time. For the same value of inductance, the T …

An integrated spiral DGS and an open stub meander-line resonator in the 0.13-µm BiCMOS technology for a 18-GHz band oscillator

ME Mousa, MA Yakout, HH Abdullah… - Journal of …, 2023 - Taylor & Francis
In this paper, an 18 GHz voltage-controlled oscillator (VCO) with improved phase noise (PN)
and smaller size is proposed. The filter consists of an open stub resonator and an integrated …

Compact and low phase noise LC‐VCO design using novel V‐shaped inductor in 0.18‐μm CMOS technology for Ku‐band applications

M Ahmed Taha, I Mansour, A Allam… - … Journal of Circuit …, 2023 - Wiley Online Library
An innovative, high‐quality factor, and small‐area V‐shaped inductor is presented in this
article to improve the performance of voltage‐controlled oscillators (VCOs). The differential …

Analysis and application of dual series resonances for low phase noise K-band VCO design in 0.18-μm CMOS technology

N Jahan, C Baichuan, A Barakat… - … Symposium on Circuits …, 2019 - ieeexplore.ieee.org
This work proposes a new theory to improve the phase noise of a Voltage-Controlled
Oscillator (VCO) by introducing dual series resonances around the parallel resonance of an …