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High-frequency oscillator in CMOS technology
Lang, Radek ; Musil, Vladislav (referee) ; Prokop, Roman (advisor)
This project focus to desing an on-chip oscillator in function as a clock generator. Frequency stability of the oscillator is affected by supply voltage, temperature and process variations. The aim is to propose a clock generator with sufficient frequency stability, low power consumption and a small chip area. This work deals with the types of oscillators and their basic building blocks suitable for our application. It also deals with the study and design options of temperature and process compensation circuit generating the current control, which provides the frequency stabilization of the output signal.
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Thermocouple simulator
Nermut, Martin ; Michalec, Jaroslav (referee) ; Klusáček, Stanislav (advisor)
NERMUT, M. Thermocouple simulator. Brno: Brno University of Technology, Faculty of Eletrical Engineering and Communication. 2009. 62 s. Supervisor Ing. Stanislav Klusáček. Consultant Ing. Miroslav Krupa, - IDC Brno, Honeywell s.r.o. The aim of the thesis is design and realization of handheld thermocouple simulator, suitable both for laboratory and plant use. Manual or remote control via RS232 are possible. Special attention is focused on universality, easy and safety use (galvanic isolation), properly cold junction compensation, easy calibration of non-linearity. Sponsor: IDC Honeywell, Brno, Czech Republic Basic literature: - OMEGA Temperature Handbook) - Datasheets of OMEGA instruments (www.omega.com) - Datasheets of other vendor instruments (www) - Isotech Traceable Book – Temperature Calibrabration (www.isotech.co.uk) - BELZA J., Buld-in Li-ion accu charger (www.belza.cz) Appendixs: - User manual - Schematic - Calibration data - CD (source code)
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Weight Measurement with Bathroom Scale Strain Gauges
Šenfluk, Petr ; Fuchs,, Michal (referee) ; Povalač, Aleš (advisor)
The aim of the thesis is weigh measurement using strain gauges from cheap digital scales. Work describes problems connected with using strain gauges as temperature compensation and requirements for accurate voltage reference and summarize function and wiring of chaep digital scales using four strain gauges. Result of work is design of an electrical circuit for weigh measurement using four strain gauges from analyzed scale.
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Thermocouple simulator
Nermut, Martin ; Michalec, Jaroslav (referee) ; Klusáček, Stanislav (advisor)
NERMUT, M. Thermocouple simulator. Brno: Brno University of Technology, Faculty of Eletrical Engineering and Communication. 2009. 62 s. Supervisor Ing. Stanislav Klusáček. Consultant Ing. Miroslav Krupa, - IDC Brno, Honeywell s.r.o. The aim of the thesis is design and realization of handheld thermocouple simulator, suitable both for laboratory and plant use. Manual or remote control via RS232 are possible. Special attention is focused on universality, easy and safety use (galvanic isolation), properly cold junction compensation, easy calibration of non-linearity. Sponsor: IDC Honeywell, Brno, Czech Republic Basic literature: - OMEGA Temperature Handbook) - Datasheets of OMEGA instruments (www.omega.com) - Datasheets of other vendor instruments (www) - Isotech Traceable Book – Temperature Calibrabration (www.isotech.co.uk) - BELZA J., Buld-in Li-ion accu charger (www.belza.cz) Appendixs: - User manual - Schematic - Calibration data - CD (source code)
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High-frequency oscillator in CMOS technology
Lang, Radek ; Musil, Vladislav (referee) ; Prokop, Roman (advisor)
This project focus to desing an on-chip oscillator in function as a clock generator. Frequency stability of the oscillator is affected by supply voltage, temperature and process variations. The aim is to propose a clock generator with sufficient frequency stability, low power consumption and a small chip area. This work deals with the types of oscillators and their basic building blocks suitable for our application. It also deals with the study and design options of temperature and process compensation circuit generating the current control, which provides the frequency stabilization of the output signal.
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|
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Weight Measurement with Bathroom Scale Strain Gauges
Šenfluk, Petr ; Fuchs,, Michal (referee) ; Povalač, Aleš (advisor)
The aim of the thesis is weigh measurement using strain gauges from cheap digital scales. Work describes problems connected with using strain gauges as temperature compensation and requirements for accurate voltage reference and summarize function and wiring of chaep digital scales using four strain gauges. Result of work is design of an electrical circuit for weigh measurement using four strain gauges from analyzed scale.
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