Browsing Ústav radioelektroniky by Title
Now showing items 56-75 of 104
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Illuminance Sensing in Agriculture Applications Based on Infra-Red Short-Range Compact Transmitter Using 0.35um CMOS Active Device
(IEEE, 2020-01-29)This paper introduces a novel electronic system for simplex low-bitrate infra-red (IR) communication applications. The transmitter is implemented completely by analog building blocks, formed with the help of a recently ... -
Implementation of the equivalent temperature measurement system as a part of the vehicle Heating, ventilation and Air-conditioning unit
(BioMed Central, 2015-06-29)Thermal comfort evaluation based on the Comfort zone diagram is relatively new and promising method [1] developed by Hkan O. Nilsson [2]. The method was developed mainly for non uniform indoor environments [3] such as ... -
Improved RMS Delay Spread Estimation for mmWave Channels Using Savitzky–Golay Filters
(MDPI, 2019-12-12)In this paper, a novel method for improving the estimation accuracy of the root mean square (RMS) delay spread from the magnitude of the Channel Transfer Function (CTF) is presented. We utilize the level crossing rate ... -
In-vehicle channel sounding in the 5.8-GHz band
(Springer, 2015-03-10)The article reports vehicular channel measurements in the frequency band of 5.8 GHz for IEEE 802.11p standard. Experiments for both intra-vehicle and out-of-vehicle environments were carried out. It was observed that the ... -
Integer- and Fractional-Order VCO Using Non-Inertial Amplitude Stabilization and Modern Active Elements
(Kaunas University of Technology, 2020-04-25)This paper introduces design of the linearly tunable quadrature voltage-controlled oscillator (VCO) using modern off-the-shelf active elements suitable for the design of electronically adjustable applications. The simplified ... -
Integer-and Fractional-Order Integral and Derivative Two-Port Summations: Practical Design Considerations
(MDPI, 2020-01-13)This paper targets on the design and analysis of specific types of transfer functions obtained by the summing operation of integer-order and fractional-order two-port responses. Various operations provided by fractional-order, ... -
Integrated Building Cells for a Simple Modular Design of Electronic Circuits with Reduced External Complexity: Performance, Active Element Assembly, and an Application Example
(MDPI, 2019-05-22)This paper introduces new integrated analog cells fabricated in a C035 I3T25 0.35-m ON Semiconductor process suitable for a modular design of advanced active elements with multiple terminals and controllable features. We ... -
Lagrangian for circuits with higher-order elements
(MDPI, 2019-10-29)The necessary and sufficient conditions of the validity of Hamilton’s variational principle for circuits consisting of (alpha,beta) elements from Chua’s periodical table are derived. It is shown that the principle holds ... -
Loop-to-Loop Pulsed Electromagnetic Signal Transfer Across a Thin Metal Screen With Drude-Type Dispersive Behavior
(IEEE Press, 2017-10-17)A full analytic time-domain analysis is presented for a canonical problem of electromagnetic interference related to the operation of integrated-circuit devices at optical frequencies, where metal screens and substrates ... -
Method for Volume of Irregular Shape Pellets Estimation Using 2D Imaging Measurement
(MDPI, 2020-04-11)Growing population and decreasing amount of cultivated land conditions the increase of fertilizer demand. With the advancements of computerized equipment, more complex methods can be used for solving complex mathematical ... -
Millimeter Wave Vehicular Channel Emulation: A Framework for Balancing Complexity and Accuracy
(MDPI, 2018-11-16)We propose a general framework for the specification of a sparse representation of millimeter wave vehicular propagation channels and apply this to both synthetic data and real-world observations from channel sounding ... -
Nanoelectronic COupled problems solutions - nanoCOPS: modelling, multirate, model order reduction, uncertainty quantification, fast fault simulation
(2016-07-14)The FP7 project nanoCOPS derives new methods for simulation during development of designs of integrated products. It covers advanced simulation techniques for electromagnetics with feedback couplings to electronic circuits, ... -
New chaotic dynamical system with a conic-shaped equilibrium located on the plane structure
(MDPI, 2017-09-22)This paper presents a new autonomous deterministic dynamical system with equilibrium degenerated into a plane-oriented hyperbolic geometrical structure. It is demonstrated via numerical analysis and laboratory experiments ... -
New Chaotic Oscillator Derived from Class C Single Transistor-Based Amplifier
(Hindawi, 2020-11-06)This paper describes new autonomous deterministic chaotic dynamical system having single unstable saddle-spiral fixed point. Mathematical model originates in the fundamental structure of class C amplifier. Evolution of ... -
New Low-Voltage CMOS Differential Difference Amplifier (DDA) and an Application Example
(IEEE, 2018-08-05)The paper presents a newly designed structure of a low-voltage differential difference amplifier (DDA). The novel implementation brings significant reduction of complexity in comparison to readily available operational ... -
New nonlinear active element dedicated to modeling chaotic dynamics with complex polynomial vector fields
(MDPI, 2019-09-06)This paper describes evolution of new active element that is able to significantly simplify the design process of lumped chaotic oscillator, especially if the concept of analog computer or state space description is adopted. ... -
New resistorless tunable voltage-mode universal filter using single VDIBA
(Springer, 2013-08-01)To increase the universality of the recently introduced voltage differencing inverting buffered amplifier (VDIBA), this letter presents a new voltage-mode (VM) multi-input–single-output (MISO) universal filter. The proposed ... -
Novel first-order all-pass filter applications of z-copy voltage differencing current conveyor
(NISCAIR ONLINE PERIODICALS REPOSITORY (NOPR), 2015-08-05)The application of z-copy voltage differencing current conveyor (ZC-VDCC) in simple and interesting first-order all-pass sections has been studied in the present paper. The solutions presented here have presumptions for ... -
A Novel Pseudo-Differential Integer/Fractional-Order Voltage-Mode All-Pass Filter
(IEEE, 2018-05-08)The paper presents the first- (integer) and fractional-order case studies of a novel pseudo-differential (P-D) voltage-mode all-pass filter (APF) employing a single differential voltage current conveyor (DVCC), one resistor, ... -
Novel Reconnection-less Reconfigurable Filter Design Based on Unknown Nodal Voltages Method and Its Fractional-Order Counterpart
(Kaunas University of Technology, 2019-06-26)A novel solution of reconnection-less electronically reconfigurable filter is introduced in the paper. The filter is designed based on unknown nodal voltages method (MUNV) using operational transconductance amplifiers ...