National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
A short-pulse generator for UWB applications
Sedláček, Matyáš ; Pítra, Kamil (referee) ; Štumpf, Martin (advisor)
Tato diplomová práce je zaměřena na analýzu a návrh generátoru krátkých pulsů. Při vypracování jsou pro tvarování pulsu využity step recovery diody a reaktanční prvky. Za účelem simulace je odladěn ekvivalentí model SRD. Je proveden návrh tvarovacího obvodu, jehož vlastnosti jsou popsány za pomoci parametrické analýzy. Dále jsou prověřeny možné úpravy zapojení, např. zahrnutí pahýlů přenosových vedení, za účelem zlepšení výstupních parametrů zařízení. Je navržen budící obvod tvarovače a obvod napájení. Aby zařízení vyhovělo požadavkům na přenosnost a energetickou soběstačnost, je napájeno z baterie. Vlastnosti vyrobeného generátoru jsou následně ověřeny měřením.
Generation of Voltage Wave by Impulse Generator
Poloni, Miroslav ; Krbal, Michal (referee) ; Pelikán, Luděk (advisor)
The presented bachelor thesis deals with the problems and functions of impulse voltage generators. The theoretical part describes the functions and various connections of the impulse generator, types of impulse voltage, tests and test procedures. In the practical part of the work, theoretical knowledge in the form of simulations was verified. The simulations were performed in the LTspice program from Linear Technology, where the impulse generator model was made. Simulations were then performed on the given model of the shock generator, from simpler ones such as the dependence of the size of the load capacity to the inductance connected in parallel. The results of all simulations should bring benefits and ease in real shock generator tests
Generation of Voltage Wave by Impulse Generator
Poloni, Miroslav ; Krbal, Michal (referee) ; Pelikán, Luděk (advisor)
The presented bachelor thesis deals with the problems and functions of impulse voltage generators. The theoretical part describes the functions and various connections of the impulse generator, types of impulse voltage, tests and test procedures. In the practical part of the work, theoretical knowledge in the form of simulations was verified. The simulations were performed in the LTspice program from Linear Technology, where the impulse generator model was made. Simulations were then performed on the given model of the shock generator, from simpler ones such as the dependence of the size of the load capacity to the inductance connected in parallel. The results of all simulations should bring benefits and ease in real shock generator tests

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