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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 ...
(N + )-Order low-pass and high-pass filter transfer functions for non-cascade implementations approximating Butterworth response
(De Gruyter, 2021-06-23)
The formula of the all-pole low-pass frequency filter transfer function of the fractional order (N +) designated for implementation by non-cascade multiple-feedback analogue structures is presented. The aim is to determine ...
Reconnection–less Reconfigurable Fractional–Order Current–Mode Integrator Design with Simple Control
(IEEE, 2021-10-01)
A design of a fractional-order (FO) integrator is introduced for operation of resulting solution in the current mode (CM). The solution of the integrator is based on the utilization of RC structures, but in comparison to ...
Electronically Tunable Fully-Differential Fractional-Order Low-Pass Filter
(Kaunas University of Technology, 2017-06-16)
The paper presents proposal of a fully- differential (1 + )-order low-pass filter. The order of the filter and its cut-off frequency can be controlled electronically. The filter is proposed using operational transconductance ...
Methods for Extension of Tunability Range in Synthetic Inductance Simulators
(Kaunas University of Technolgy, 2018-06-26)
Presented work focuses on methods for the extended electronic control in the designs of inductance simulators based on single-loop feedback topology. Implementation is based on diamond transistors as voltage-tocurrent ...
Pseudo-Differential Filter Design Using Novel Adjustable Floating Inductance Simulator with Electronically Controllable Current Conveyors
(Kaunas University of Technology, 2017-04-27)
This paper presents new floating inductance simulator based on three electronically controllable current conveyors (ECCIIs) and differential voltage buffer (DVB). The inductance simulator offers simple electronic control ...
Tunable Multiphase Oscillator Using Diamond Transistors with Voltage Controlled Condition of Oscillation for Amplitude Stabilization
(Kaunas University of Technology, 2014-01-13)
The main aim of this paper is to present simple and low-cost solution of oscillator utilizing very simple method for automatic amplitude stabilization using adjustable current gain control. It provides satisfying total ...
Dual-parameter control of the pole frequency in case of universal filter with MCDU elements
(Springer, 2016-12-01)
This paper presents an universal filter with control of the pole frequency by two mutually independent parameters - current gain (B) and intrinsic resistance (R x) in frame of two modified current differencing unit (MCDU) ...
Novel Oscillator Based on Voltage and Current-Gain Adjusting Used for Control of Oscillation Frequency and Oscillation Condition
(Kaunas University of Technology, 2013-06-13)
The paper deals with novel controllable oscillator where two types of electronic control are used. Proposed second-order circuit contains current follower, adjustable current amplifier, adjustable voltage amplifier, two ...
Simple Oscillator with Enlarged Tunability Range Based on ECCII and VGA Utilizing Commercially Available Analog Multiplier
(De Gruyter, 2016-04-07)
This work presents an example of implementation of electronically controllable features to an originally unsuitable circuit structure of oscillator. Basic structure does not allow any electronic control and has mutually ...