Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497562
I. Brzozowski
In this paper, a software tool aiding the design of Parallel Prefix Adders is presented. It supports design of carry generation-propagation block by calculating a circuit activity and equivalent capacitance for the requested input activity behavior. Thanks to a graphical interface, a user can test many possibilities in an easy way by drawing a graph of propagation-generation block. Parameters are calculated and shown on the graph for all nodes. Finally, after checking of the graph completeness, the netlist of the adder is generated. The tool is useful when the designer, looking for the best solution, wants to analyze many adders’ structures for given input activity scenarios.
{"title":"Software Tool Aiding Analysis and Design of Low-Power Parallel Prefix Adders","authors":"I. Brzozowski","doi":"10.23919/MIXDES52406.2021.9497562","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497562","url":null,"abstract":"In this paper, a software tool aiding the design of Parallel Prefix Adders is presented. It supports design of carry generation-propagation block by calculating a circuit activity and equivalent capacitance for the requested input activity behavior. Thanks to a graphical interface, a user can test many possibilities in an easy way by drawing a graph of propagation-generation block. Parameters are calculated and shown on the graph for all nodes. Finally, after checking of the graph completeness, the netlist of the adder is generated. The tool is useful when the designer, looking for the best solution, wants to analyze many adders’ structures for given input activity scenarios.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"21 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122929235","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497505
Mariya Aleksandrova, I. Pandiev
Lead-free thin film perovskite solar cell is fabricated and characterized in terms of short-term stability at temperature and light exposure intensity variations. The performance of the proposed energy harvesting element is analyzed for its applicability to charge a supercapacitor (SC). Two possible power management systems are studied and recommendation for using is given based on the charging rate. It is found that the combination of quantum dots with lead-free perovskites expands the absorption in the visible spectrum below 500 nm, which improves the spectral sensitivity of the cell and stabilizes its response at white light. It is found that the power processing system with discrete components exhibits maximum charging rate of 1.2 mV/min, vs. 53 μV/min obtained with monolithic DC-DC convertor, which results in faster reaching the full capacity of the SC for less than 5 hours (the typical charging time of the selected storage element). The temperature instability of the output electrical power during this time is 1.8 %/°C at maximum light intensity of 10 000 cd/m2. This is superior, when compared to the non-perovskite thin film solar cells, exhibiting typical instability values of 2–2.2 %/°C.
{"title":"Application of Thin Film Ultralow-Power Lead-Free Perovskite Solar Energy Harvesters in Power Management Systems","authors":"Mariya Aleksandrova, I. Pandiev","doi":"10.23919/MIXDES52406.2021.9497505","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497505","url":null,"abstract":"Lead-free thin film perovskite solar cell is fabricated and characterized in terms of short-term stability at temperature and light exposure intensity variations. The performance of the proposed energy harvesting element is analyzed for its applicability to charge a supercapacitor (SC). Two possible power management systems are studied and recommendation for using is given based on the charging rate. It is found that the combination of quantum dots with lead-free perovskites expands the absorption in the visible spectrum below 500 nm, which improves the spectral sensitivity of the cell and stabilizes its response at white light. It is found that the power processing system with discrete components exhibits maximum charging rate of 1.2 mV/min, vs. 53 μV/min obtained with monolithic DC-DC convertor, which results in faster reaching the full capacity of the SC for less than 5 hours (the typical charging time of the selected storage element). The temperature instability of the output electrical power during this time is 1.8 %/°C at maximum light intensity of 10 000 cd/m2. This is superior, when compared to the non-perovskite thin film solar cells, exhibiting typical instability values of 2–2.2 %/°C.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"78 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124821988","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/mixdes52406.2021.9497549
{"title":"Section 5: Signal Processing","authors":"","doi":"10.23919/mixdes52406.2021.9497549","DOIUrl":"https://doi.org/10.23919/mixdes52406.2021.9497549","url":null,"abstract":"","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"173 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129437019","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497642
Marek Golonka
Research is focused on approximation modeling and analysis of software correctness. Part of research include gathering information about methods such as Markov Chain, Markov Process, stochastic Petri net, Probabilistic Timed Automata and software tools which allows to present formal modelling for embedded systems examples. This article describes short introductions to aforementioned methods and software tools which are intended to help researchers during process of analysis and design of real time systems. Additionally article describe recent state of art of few example articles for formal modelling usage.
{"title":"Comparative Analysis of Methods and Tools for Formal Modelling and Verification for Embedded Systems. Probabilistic Approach","authors":"Marek Golonka","doi":"10.23919/MIXDES52406.2021.9497642","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497642","url":null,"abstract":"Research is focused on approximation modeling and analysis of software correctness. Part of research include gathering information about methods such as Markov Chain, Markov Process, stochastic Petri net, Probabilistic Timed Automata and software tools which allows to present formal modelling for embedded systems examples. This article describes short introductions to aforementioned methods and software tools which are intended to help researchers during process of analysis and design of real time systems. Additionally article describe recent state of art of few example articles for formal modelling usage.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"14 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128647866","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/mixdes52406.2021.9497626
{"title":"[MIXDES 2021 Front cover]","authors":"","doi":"10.23919/mixdes52406.2021.9497626","DOIUrl":"https://doi.org/10.23919/mixdes52406.2021.9497626","url":null,"abstract":"","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131983280","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497558
Aleksander Kaczmarczyk, W. Zabierowski
In the age of smartphones and tablets popularity of mobile applications is rising extremely quickly. There are countless purposes of using them – communication, social media, news, sending emails, shopping, paying, watching videos and streams, playing games. Google’s Android is currently the most used mobile system in the world. The main aim of this article is to compare native and hybrid mobile applications created for this system. The comparison was based on mobile applications implemented in Java 8 language and Ionic framework.
{"title":"The Comparison of Native and Hybrid Mobile Applications for Android System","authors":"Aleksander Kaczmarczyk, W. Zabierowski","doi":"10.23919/MIXDES52406.2021.9497558","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497558","url":null,"abstract":"In the age of smartphones and tablets popularity of mobile applications is rising extremely quickly. There are countless purposes of using them – communication, social media, news, sending emails, shopping, paying, watching videos and streams, playing games. Google’s Android is currently the most used mobile system in the world. The main aim of this article is to compare native and hybrid mobile applications created for this system. The comparison was based on mobile applications implemented in Java 8 language and Ionic framework.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"214 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134145057","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497587
M. Janicki, A. Sobczak, G. Jablonski
This paper analyzes the influence of relaxation time values for the obtained solutions of the Dual-Phase-Lag equation obtained employing the analytical Green’s function method. The solutions are computed for a ten-nanometer size one-dimensional benchmark structure with the second and third kind boundary conditions imposed at its outer boundaries. Particular attention was paid to the analysis of heat diffusion time dependence on the relaxation time constant values.
{"title":"Analysis of Heat Transfer Processes in Electronic Nanostructures Using the Dual-Phase-Lag Model","authors":"M. Janicki, A. Sobczak, G. Jablonski","doi":"10.23919/MIXDES52406.2021.9497587","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497587","url":null,"abstract":"This paper analyzes the influence of relaxation time values for the obtained solutions of the Dual-Phase-Lag equation obtained employing the analytical Green’s function method. The solutions are computed for a ten-nanometer size one-dimensional benchmark structure with the second and third kind boundary conditions imposed at its outer boundaries. Particular attention was paid to the analysis of heat diffusion time dependence on the relaxation time constant values.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"20 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133857199","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497559
I. Uzunov, Boncho Nikov
The paper considers the analysis of influence the transit capacitances, connecting input and output nodes in fully differential (FD) operational transconductance amplifiers (OTA) and having effect basically in single-stage OTAs. First is shown the incompleteness of the often used approach of representing of these capacitances by a positive zero of OTA transconductance. Then are proposed single-ended equivalent circuits for both cases when FD OTA is used as inverting and non-inverting amplifier. They simplify the analysis, which is demonstrated by considering of two examples: single OTA with different loads and a gyrator resonance circuit.
{"title":"Analysis of the Effect of Transit Capacitances in Fully Differential Operational Transconductance Amplifiers","authors":"I. Uzunov, Boncho Nikov","doi":"10.23919/MIXDES52406.2021.9497559","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497559","url":null,"abstract":"The paper considers the analysis of influence the transit capacitances, connecting input and output nodes in fully differential (FD) operational transconductance amplifiers (OTA) and having effect basically in single-stage OTAs. First is shown the incompleteness of the often used approach of representing of these capacitances by a positive zero of OTA transconductance. Then are proposed single-ended equivalent circuits for both cases when FD OTA is used as inverting and non-inverting amplifier. They simplify the analysis, which is demonstrated by considering of two examples: single OTA with different loads and a gyrator resonance circuit.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"58 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131096865","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497604
J. Nazdrowicz, M. Jankowski
In this paper modelling and simulation of photovoltaics array in local energy domain systems is presented. Photovoltaics array consists of group of connected PV modules. Thus, connected to energy domain system is building block of a photovoltaic energy conversion system. PV module is the essential power energy conversion unit of a solar energy transformation system. The output characteristics of a PV module are determined by solar irradiance, cell temperature and the output voltage of the PV module. Strong nonlinearity, in turn, enforces to use such energy system using maximum power point tracking (MPPT).
{"title":"Application of Maximum Power Point Tracking Algorithm in Simulation of PV Systems","authors":"J. Nazdrowicz, M. Jankowski","doi":"10.23919/MIXDES52406.2021.9497604","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497604","url":null,"abstract":"In this paper modelling and simulation of photovoltaics array in local energy domain systems is presented. Photovoltaics array consists of group of connected PV modules. Thus, connected to energy domain system is building block of a photovoltaic energy conversion system. PV module is the essential power energy conversion unit of a solar energy transformation system. The output characteristics of a PV module are determined by solar irradiance, cell temperature and the output voltage of the PV module. Strong nonlinearity, in turn, enforces to use such energy system using maximum power point tracking (MPPT).","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124331452","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2021-06-24DOI: 10.23919/MIXDES52406.2021.9497548
R. Ondica, D. Arbet, M. Kovác, V. Stopjaková
This paper presents the efficiency investigation of a fully on-chip DC-DC step-up converter realized in a standard 130 nm CMOS technology and its comparison to previous works. Research is mainly focused on finding the optimum operation point to provide the high output power and conversion efficiency of the on-chip converter solution. The obtained output voltage of 1.2 V shows 98.6 % efficiency of power conversion, and the maximum output power of 6 mW is achieved. Another performed analysis has been focused on impact of inductor properties as well as impact of the control circuit on the main parameters of the developed boost voltage converter.
{"title":"Investigation of Inductor-based Fully On-chip Boost Converter","authors":"R. Ondica, D. Arbet, M. Kovác, V. Stopjaková","doi":"10.23919/MIXDES52406.2021.9497548","DOIUrl":"https://doi.org/10.23919/MIXDES52406.2021.9497548","url":null,"abstract":"This paper presents the efficiency investigation of a fully on-chip DC-DC step-up converter realized in a standard 130 nm CMOS technology and its comparison to previous works. Research is mainly focused on finding the optimum operation point to provide the high output power and conversion efficiency of the on-chip converter solution. The obtained output voltage of 1.2 V shows 98.6 % efficiency of power conversion, and the maximum output power of 6 mW is achieved. Another performed analysis has been focused on impact of inductor properties as well as impact of the control circuit on the main parameters of the developed boost voltage converter.","PeriodicalId":375541,"journal":{"name":"2021 28th International Conference on Mixed Design of Integrated Circuits and System","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-06-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115940201","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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