The Quality Factor of Microstrip-Line Resonators

G 0 =1/R 0 is the conductance, which represents the energy dissipated in the resonator. Conductor losses, dielectric losses, and radiation losses are the ways in which energy is dissipated in the microstrip resonator.. When the external circuit is connected to the resonator, the resonator is considered loaded. In this loaded condition, the Q-factor of the resonator is …

Filter Q Factor Explained

It is important to note that this approach works for narrowband filters. However, when f 1 and f 2 are widely separated, which usually means two octaves or more between …

Improving the Quality Factor of Microwave …

Their single-photon internal quality factors were found to increase with the distance between capacitor fingers, the width of the capacitor fingers, and the impedance of the …

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Quality factor, Q Reactive components such as capacitors and inductors are often described with a figure of merit called Q. While it can be defined in many ways, it''s most fundamental …

Designing ST25DV64K antenna

Nevertheless, you should be aware that doing this will increase the intrinsic quality factor of the tag proportionally. ... As a consequence, you can add a serial capacitor, but a tag performance validation is necessary to ensure that it still meets your requirements in term of reading distance, in addition to tag tuning frequency validation. ...

Capacitor Quality Factor Calculator

The Capacitor Quality Factor plays a significant role in the field of electronics and telecommunications. This parameter helps engineers select suitable capacitors for various applications, thus driving the design and optimization of numerous …

Compact Models Based on Transmission-Line Concept for …

the intrinsic capacitor to be modeled. Using (1), one can unam-biguously extract extrinsic admittances of the passive device. It also allows us to work on the intrinsic inductor (or capacitor) model through the -parameter of the matrix using the following equations: (2) Next, the intrinsic inductor found from (2) is modeled as

Filter Basics Part 7: Different Approaches to …

In part 7 of this series, we perform a deep dive on the different ways you can think about Q factor for the components going into your filter or your filter as a whole. As …

(PDF) On the Trade-Off Between Quality Factor and Tuning Ratio …

The quality factor can typically be traded off for tuning ratio. The benchmark of tunable capacitor technologies shows that transistor-switched capacitors, varactor diodes, and ferroelectric ...

Quality Factor of Inductor and Capacitor

The parameter that gives information about the quality of the capacitor is referred to as the quality factor of the capacitor. For an operating frequency of ω rad/sec, the …

(PDF) Highly decoupled single-crystal silicon resonators: An approach ...

Q factor as high as 180,000 for fundamental mode vibrating at 2.2 MHz and 89,000 for harmonic mode at 8.9 MHz were measured which lead to quality factor and resonance frequency products (Q·f ...

S-parameter formulation of quality factor for a spiral inductor …

This paper formulates various quality (Q) factors associated with the applications of on-chip spiral inductors to radio-frequency integrated circuits using S-parameters. The formulations start with the Q factor of a spiral inductor in a generalized two-port configuration based on a new complex-power approach and then extend to the Q factors of a tank and matching circuits that use the …

Fabrication and characterization of low-loss Al/Si/Al parallel plate ...

Microwave characterization of these devices suggests state-of-the-art performance for superconducting parallel plate capacitors with low power internal quality factor of lumped element resonators greater than 500k and qubit T 1 subscript 𝑇 1 T_{1} italic_T start_POSTSUBSCRIPT 1 end_POSTSUBSCRIPT times greater than 25 μ 𝜇 mu italic_μ s. These results suggest that Si …

Analyzing and modeling of an ultra-compact ...

By using this microwave inductor, interdigital capacitor and simulating titanium-nitride on silicon, we designed a micro-resonator that has an intrinsic quality factor about 2.5 × 10 6 in dimensions of 208 μm × 219 μm at the frequency of 3.56 GHz. Although we added more capacitors fingers to reduce the resonance frequency, the overall structure still has tiny …

S-Parameter Formulation of Quality Factor for a Spiral Inductor …

infinite Q-factor quantity for MIM capacitor''in estimating Q factor of a tank circuit. By distinguishing the Q-factor definition between spiral inductor and tank circuit, we have found an approximate formula.to predict the tank- circuit Q factor accurately from the spiral-inductor Q factor. 11. FORMULATION

Intrinsic quality factor extraction of multi-port cavity with …

The resulting formulas can be used to extract intrinsic quality factor of normal conducting and superconducting cavities directly from the calibrated S-parameter measurements. Keywords: superconducting RF, vertical test stand, cavity quality factor, coupling I. INTRODUCTION In superconducting RF accelerator eld (SRF) intrin-sic quality factor Q

Resonant Circuits: Resonant Frequency and …

This page provides a detailed explanation of how to calculate the resonant frequency and the Q factor (Quality Factor). ... frequency" refers to the phenomenon where an …

MOM capacitor design challenges and solutions SFT

applications, MOM capacitors should be designed in such a way that their resonant frequency is higher than the operating frequency, and the quality factor meets the design target. Design tools for MOM capacitors should provide accurate and efficient calculation of quality factor and resonant frequency. 6. Capacitor matching and statistical modeling

Compact Models Based on Transmission-Line Concept for …

Fig. 11 compares the measured input admittances of the capacitors with their complete equivalent-circuit models. It is also interesting to study the quality factor of these devices specially the inductors. The quality factor of an inductor is defined as the ratio of the magnetic energy stored in the inductor to the energy dissipated.

Q Factor: What is it? (And How Do You Measure It?)

A SIMPLE explanation of Q Factor (Quality Factor). Learn what Q Factor is, how to measure Q-factor, and the Q Factor formula for inductors, capacitors, LC & RLC Circuits.

Q factor | Fundamentals | Capacitor Guide

OverviewExplanationDefinitionQ factor and dampingPhysical interpretationElectrical systemsMechanical systemsAcoustical systems

In physics and engineering, the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is. It is defined as the ratio of the initial energy stored in the resonator to the energy lost in one radian of the cycle of oscillation. Q factor is alternatively defined as the ratio of a resonator''s centre frequency to its bandwidth when subject to an oscil…

Quasiparticle tunneling as a probe of Josephson junction barrier …

the comparison of QPT rate and qubit quality factor Q=2πf 01T 1 of ... and NbN capacitors in which the intrinsic QPT rate is greater. For a given qubit design, despite having the larger ...

Ultrahigh-quality-factor micro

Q is the dilution factor. Si 3N 4 exhibits intrinsic quality factors ranging from 103 to 104 (refs. 14,51) and the dilution factor can be up to 10 6 for the highest-Q resonators 17–19,52 ...

9.2: Q Factor

The Q factor of a component at frequency f is defined as the ratio of 2πf times the maximum energy stored to the energy lost per cycle. In a lumped-element resonant circuit, stored energy …

A series RLC circuit has a quality factor Q of 1000 at a center ...

A series RLC circuit has a quality factor Q of 1000 at a center frequency of 106rad/s. The possible values of R, L and C are R=1Ω,L=1μH and C=1μF ... For a MOS capacitor, V fb and V t are the flat-band voltage and the threshold voltage, respectively. The variation ... For an intrinsic semiconductor at temperature T = 0 K, which of the ...

Quality Factor Enhancement Strategies for High …

However, the quality factor (Q-factor), which quantifies energy loss within the resonator, can limit their performance. It is imperative to elevate the Q-factor to enhance the efficiency of ring ...

Q factor – quality factor, cavity, resonator, oscillator, …

The Q factor (quality factor) of a resonator is a measure of the strength of the damping of its oscillations, or for the relative linewidth.The term was originally developed for electronic circuits, e.g. LC circuits, and for microwave cavities, …

Multioutput Switched-Capacitor Multilevel Inverter With Intrinsic ...

In this article, a new multioutput switched-capacitor multilevel inverter (SCMLI) and a few trade-off solutions are proposed. It concomitantly features a common input source-load ground, eliminating thus the photovoltaic cell leakage current, a permanent nonzero input current, a high boost factor, equal to that in a similar no common ground inverter, and the smallest number of capacitors …

Quality Factors — scikit-rf Documentation

Quality Factors Resonant Circuits and Q-factor . Resonant circuits are used extensively in oscillators, tuned amplifiers, filters, etc. At a particular frequency, a resonant frequency (f_r) (or …

Quality factor of capacitor

With inductors quality is increasing with L and frequency and decreasing with R. Quality is supposed to also tell us how much energy is stored in each cycle compared to how …

Quality Factor or Q Factor : Formula & Its Effects

How to Measure Q Factor? The Q factor of the radio frequency circuit can be measured by using the Q-meter instrument. This meter helps in measuring the circuit''s Q factor to indicate the whole dissipated energy …

Electrically Tunable High-Quality Factor Silicon Microring …

Q-factor (blue line, left y-axis) and Δλ (red line, right y-axis). (c) Blue curve: the loss in ITiO-gated MOS Si MRR, including both waveguide bending and optical absorption losses. Dashed line: the bending loss of the intrinsic Si MRR extracted from the passive Si MRR with a Q-factor of 13000. (d) Experimental Δλ caused by ΔT without gate ...