National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Digitally controlled AC voltage source
Dalík, Vladimír ; Čejka, Miloslav (referee) ; Beneš, Petr (advisor)
The thesis deals of microprocesor controlled instrument for measuring. In general it is about of controlling instruments and their usage in standard industry. laboratories and measuring systems. The first part contens theoretical knowledge of controlling instrument, his funtions and describes circuitry of sources of AC voltages. This part describes blocks of instrument and basis connecting in system of instrument. Each block is described with examples in praxis. Examples contents typical connecting and their problems out of view in parameters of instrumenr. In this part is whole theory of analysis and practical using separately parts of instrument. Next part is aimed at searching of interrelationship between the teoretical model of source that described by different circuits and practical connections with electronic parts. These part analyse concrete design with exactly sized parameters and connections. In last part contents describing of measuring at prototype. The appendix contains schematics and boards with electronic parts and test reports of measuring output voltage and frequency with required accuracies.

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