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Design and fabrication of the multimeter
Daněk, Martin ; Levek, Vladimír (referee) ; Háze, Jiří (advisor)
The goal of this thesis is to design and build a multimeter. Firstly, multimeters, their history and basic parameters are described, followed by an analysis of existing solutions with a similar topic. Next, theory of measurement of basic electrical quantities is described and the first prototype is proposed. Finally, the first prototype is evaluated, necessary adjustments applied, and the final prototype is proposed and evaluated.
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Design of a Sigma Delta AD converter for sensor applications
Pěček, Lukáš ; Prokop, Roman (referee) ; Kledrowetz, Vilém (advisor)
This diploma thesis deals with the design of a sigma delta AD converter for a sensor application of junction temperature measurement in the automotive environment. A modified continuous time current mode modulator structure was designed. Its advantage lies in shifting and extending an input voltage range to work with signals from 0 V to 1,2 with a high impedance input and a relatively low hardware complexity. The functionality was verified by a behavioral model in the Simulink environment and then by transistor level simulation in CADENCE environment using ONC18/I4T technology.
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Design and fabrication of the multimeter
Daněk, Martin ; Levek, Vladimír (referee) ; Háze, Jiří (advisor)
The goal of this thesis is to design and build a multimeter. Firstly, multimeters, their history and basic parameters are described, followed by an analysis of existing solutions with a similar topic. Next, theory of measurement of basic electrical quantities is described and the first prototype is proposed. Finally, the first prototype is evaluated, necessary adjustments applied, and the final prototype is proposed and evaluated.
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|
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Design of a Sigma Delta AD converter for sensor applications
Pěček, Lukáš ; Prokop, Roman (referee) ; Kledrowetz, Vilém (advisor)
This diploma thesis deals with the design of a sigma delta AD converter for a sensor application of junction temperature measurement in the automotive environment. A modified continuous time current mode modulator structure was designed. Its advantage lies in shifting and extending an input voltage range to work with signals from 0 V to 1,2 with a high impedance input and a relatively low hardware complexity. The functionality was verified by a behavioral model in the Simulink environment and then by transistor level simulation in CADENCE environment using ONC18/I4T technology.
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