Browsing Ústav mikroelektroniky by Title
Now showing items 1-20 of 163
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A 0.3-V 98-dB Rail-to-Rail OTA in 0.18 um CMOS
(IEEE, 2020-02-06)A new solution for an ultra-low-voltage, ultra-low-power operational transconductance amplifier (OTA) is presented in the paper. The design exploits a three-stage structure with a Reversed Miller Compensation Scheme, where ... -
0.3-V Nanopower Biopotential Low-Pass Filter
(IEEE, 2020-06-29)This paper presents a compact power-efficient CMOS fourth-order low-pass filter suitable for electrocardiogram (ECG) acquisition systems. The CMOS structure of the proposed filter utilize the bulkdriven technique and ... -
0.3-Volt Rail-to-Rail DDTA and Its Application in a Universal Filter and Quadrature Oscillator
(MDPI, 2022-04-21)This paper presents the extremely low-voltage supply of the CMOS structure of a differential difference transconductance amplifier (DDTA). With a 0.3-volt supply voltage, the circuit offers rail-to-rail operational capability. ... -
0.5 V Current-Mode Low-Pass Filter Based on Voltage Second Generation Current Conveyor for Bio-Sensor Applications
(IEEE, 2022-02-15)This paper presents a low-voltage low-power current-mode third-order low-pass filter (LPF) based on voltage second generation current conveyor (VCII). The VCII utilizes the bulk-driven MOS transistor technique to achieve ... -
0.5 V Differential Difference Transconductance Amplifier and Its Application in Voltage-Mode Universal Filter
(IEEE, 2022-05-13)This paper presents an innovative CMOS structure for Differential Difference Transconductance Amplifiers (DDTA). While the circuit operates under extremely low voltage supply 0.5 V, the circuit's performance is improved ... -
0.5 V fifth-order butterworth low-pass filter using multiple-input OTA for ECG applications
(MDPI, 2020-12-21)This paper presents a 0.5 V fifth-order Butterworth low-pass filter based on multiple-input operational transconductance amplifiers (OTA). The filter is designed for electrocardiogram (ECG) acquisition systems and operates ... -
0.5 V Fully Differential Universal Filter Based on Multiple Input OTAs
(IEEE, 2020-11-17)The design of a low-power, low-voltage, fully-differential universal biquad filter is presented in this work, which is constructed from four multiple-input gate-driven operational transconductance amplifiers (MI-OTAs) along ... -
0.5 V Versatile Voltage- and Transconductance-Mode Analog Filter Using Differential Difference Transconductance Amplifier
(MDPI, 2023-01-06)In this work, a new versatile voltage- and transconductance-mode analog filter is proposed. The filter, without requiring resistors, employs three differential-difference transconductance amplifiers (DDTAs) and two grounded ... -
0.5 V, nW-Range Universal Filter Based on Multiple-Input Transconductor for Biosignals Processing
(MDPI, 2022-11-08)This paper demonstrates the advantages of the multiple-input transconductor (MI-G(m)) in filter application, in terms of topology simplification, increasing filter functions, and minimizing the count of needed active blocks ... -
0.5-V High Linear and Wide Tunable OTA for Biomedical Applications
(IEEE, 2021-08-04)This paper presents a low-voltage nano-power multiple-input operational transconductance amplifier (MI-OTA) with high linearity performance and increased input voltage swing. The enhanced performances are achieved thanks ... -
A 1 V 92 dB SNDR 10 kHz Bandwidth Second-Order Asynchronous Delta-Sigma Modulator for Biomedical Signal Processing
(MDPI, 2020-07-25)In this paper, a second-order asynchronous delta-sigma modulator (ADSM) is proposed based on the active-RCintegrators. The ADSM is implemented in the 0.18 µ m CMOS Logic or Mixed-Signal/RF, General Purpose process from the ... -
1.2 V Differential Difference Transconductance Amplifier and Its Application in Mixed-Mode Universal Filter
(MDPI, 2022-05-02)This paper presents a new mixed-mode universal filter based on a differential difference transconductance amplifier (DDTA). Unlike the conventional transconductance amplifier (TA), this DDTA has both advantages of the TA ... -
About v-i Pinched Hysteresis of Some Non-Memristive Systems
(Hindawi, 2018-09-24)A special subset of two-terminal elements providing pinched hysteresis loops in the voltage-current plane with the lobe area increasing with the frequency is analysed. These devices are identified as non-memristive systems ... -
Acceptability and sensory evaluation of energy bars and protein bars enriched with edible insect
(HACCP Consulting, 2018-04-24)For consumers, one of the basic criteria of choosing a foodstuff, apart from nutritional values, is their taste and smell. In edible insect as a novel food, these criteria are not quite decisive. The main criterion in the ... -
An Active Resistor With a Lower Sensitivity to Process Variations, and its Application in Current Reference
(IEEE, 2020-10-29)A novel active resistor circuit offering less sensitivity to process and temperature variations without any extra trimming is proposed. The circuit consists of two accurately matched, high resistance polysilicon (hripoly) ... -
All Pinched Hysteresis Loops Generated by (alpha, beta) Elements: in What Coordinates They May be Observable
(IEEE, 2020-12-01)Two existing theorems for studying pinched hysteresis loops generated by nonlinear higher-order elements from Chua's table are reformulated, namely the generalized homothety theorem and the associated Loop Location Rule, ... -
Amperometric Sensor for Detection of Chloride Ions
(MDPI, 2008-09-15)Chloride ion sensing is important in many fields such as clinical diagnosis, environmental monitoring and industrial applications. We have measured chloride ions at a carbon paste electrode (CPE) and at a CPE modified with ... -
Analog Multipliers-Based Double Output Voltage Phase Detector for Low-Frequency Demodulation of Frequency Modulated Signals
(IEEE, 2021-06-25)This work deals with the design of a simple double output voltage phase detector, using a specific type of analog multiplier, and its application in a frequency demodulator. The design of active parts was performed in ... -
Analysis of Machinability and Crack Occurrence of Steels 1.2363 and 1.2343ESR Machined by Die-Sinking EDM
(MDPI, 2020-04-19)Die-sinking electric discharge machining (EDM) is an indispensable technological operation, especially in the production of molds and all internal and external shapes and cavities. For this reason, the effect of machine ... -
Analysis of the machinability of copper alloy Ampcoloy by WEDM
(MDPI, 2020-02-11)The unconventional technology wire electrical discharge machining is widely used in all areas of industry. For this reason, there is always an effort for efficient machining at the lowest possible cost. For this purpose, ...