Electronic tunability and cancellation of serial losses in wire coils

R Sotner, J Jerabek, L Polak, R Theumer… - Sensors, 2022 - mdpi.com
This work presents a novel methodology to adjust the inductance of real coils (electronically)
and to cancel out serial losses (up to tens or even hundreds of Ohms in practice) …

Characterization and concept for optimization of planar spiral high power high frequency coils

I Schmidt, A Enders - 2009 IEEE International Symposium on …, 2009 - ieeexplore.ieee.org
Parasitic effects lower the self-resonant frequency of a coil and therefore limit its usable
frequency range. In this paper a method is presented to substantially expand the usable …

Electronically tunable immittances with applications to LP, BP, HP filter and VCO implementation

R Nandi, K Mathur, P Venkateswaran - International Journal of …, 2021 - Taylor & Francis
Electronically tunable synthesis of immittances viz., inductor (L) and FDNR (D), using the
voltage tunable current conveyor transadmittance amplifier (VTCCTA) block is presented …

Characterization, modeling, and design for applications of waveguide impedance tuners and Schottky diodes at millimeter wavelengths

T Kiuru - 2011 - aaltodoc.aalto.fi
This work contributes to two fields of research at millimeter wavelengths: waveguide
impedance tuners and Schottky diodes. Three novel impedance tuning devices for …

Inductance calculation of planar multi-layer and multi-wire coils: An analytical approach

C Peters, Y Manoli - Sensors and Actuators A: Physical, 2008 - Elsevier
This paper describes for the first time an analytical algorithm for calculating the inductance of
planar multi-wire coils with arbitrary number of parallel wires and layers. The special …

Closed-form design formulas for the equivalent circuit characterization of ferrite inductors

K Naishadham - IEEE transactions on electromagnetic …, 2011 - ieeexplore.ieee.org
Miniature inductors, consisting of thin-wire solenoidal or toroidal coils wound on a high-
permeability soft ferrite core, find wide application in the filtering of noise or electromagnetic …

Analysis of electrical resonance distortion for inductive sensing applications

RR Hughes, S Dixon - IEEE Sensors Journal, 2018 - ieeexplore.ieee.org
Resonating inductive sensors are increasingly popular for numerous measurement
techniques, not least in non-destructive testing, due to the increased sensitivity obtained at …

Broadband calculable coaxial resistors

M Agustoni, S De Préville… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This article describes a method to model the impedance of a Haddad-type resistor over a
frequency interval ranging from 10 to 200 MHz, hereafter defined as low frequency–radio …

A novel analytical technique to omit the spurious passband in inductively coupled bandpass filter structures

SA Gohari, K Mafinezhad, M Dousti - AEU-International Journal of …, 2016 - Elsevier
Inductive coupling of two parallel resonant circuits is still one of the most important structures
in the practical bandpass filters. The frequency response of these structures has two …

Simulation of ideal grounded tunable inductor and its application in high quality multifunctional filter

T Parveen, MT Ahmed - Microelectronics international, 2006 - emerald.com
Purpose–Aims to present a simple circuit for the realization of electronically tunable ideal
grounded inductor, which consists of two current controlled conveyors along with a …