|
|
Laboratory exercise demonstrating properties of balanced connections
Sabatula, Vojtech ; Koton, Jaroslav (oponent) ; Kubánek, David (vedoucí práce)
The aim of the bachelor thesis is to study the principle and properties of balanced interconnections of outputs and inputs, sound devices and to summarize theoretical knowledge in this area. It focuses mainly on the factor of common-mode rejection and the influence of output and input resistances amplification and pole frequency of the used amplifier. Computer simulations and measurements on prepared electronic circuits prove the mentioned knowledge.
|
|
|
Systematic design of pseudo-differential frequency filters
Milota, Martin ; Langhammer, Lukáš (oponent) ; Sládok, Ondřej (vedoucí práce)
This bachelor thesis deals with the design and analysis of a pseudo-differential filters of higher order. This designed filters work in voltage mode and it is a second-order low-pass filter and a second-order band-stop filter. The filters use three current conveyors and four passive elements. The two lower-pass filters are cascaded together in different ways to form a fourth-order low-pass filter. The functionality of all filters is verified by simulations and low-pass filter as well as experimental measurements. Filter analysis examines the module, phase, common-mode rejection ratio, and behavior of filters while reducing optimal voltage. The results of simulations and experimental measurements are presented using the plots. The conclusion of the thesis is a successful verification functionality of the designed structure and comparison of different ways of connecting the filters to the cascade.
|
|
|
EKG předzesilovač s plovoucím vstupem a kalibrací
Florián, Antonín ; Rampl, Ivan (oponent) ; Chmelař, Milan (vedoucí práce)
Tato práce se zabývá zesilovači použitelnými pro snímání EKG signálu. První část se věnuje historii EKG a vlastnostem EKG signálu. Druhá část se zabývá všeobecnými požadavky a bezpečnostními požadavky, které jsou kladeny na EKG předzesilovače. Důležitou částí práce je popis funkce jednotlivých částí EKG předzesilovače a způsobů, jak dosáhnout potlačení rušení. Poslední část této práce je zaměřena na návrh EKG předzesilovače s plovoucím vstupem a kalibrací. EKG předzesilovač je navržen pro bateriové napájení.
|
|
|
Laboratory exercise demonstrating properties of balanced connections
Sabatula, Vojtech ; Koton, Jaroslav (oponent) ; Kubánek, David (vedoucí práce)
The aim of the bachelor thesis is to study the principle and properties of balanced interconnections of outputs and inputs, sound devices and to summarize theoretical knowledge in this area. It focuses mainly on the factor of common-mode rejection and the influence of output and input resistances amplification and pole frequency of the used amplifier. Computer simulations and measurements on prepared electronic circuits prove the mentioned knowledge.
|
|
|
Pseudo-Differential High-Order Frequency Filter
Sládok, Ondřej
This article describes a pseudo-differential third-order frequency filter operating in voltage mode, using four differential difference current conveyors (DDCCs), and six passive elements. The circuit has a high input impedance, low active and passive sensitivity and high common-mode rejection ratio (CMRR). The proposed structure is able to realize one type of frequency responses low pass. Non-ideal analysis has been performed by considering the real parasitic parameters of the active elements. Optimization was made with a view to greatly influence low pass filter attenuation.
|
|
|
Systematic design of pseudo-differential frequency filters
Milota, Martin ; Langhammer, Lukáš (oponent) ; Sládok, Ondřej (vedoucí práce)
This bachelor thesis deals with the design and analysis of a pseudo-differential filters of higher order. This designed filters work in voltage mode and it is a second-order low-pass filter and a second-order band-stop filter. The filters use three current conveyors and four passive elements. The two lower-pass filters are cascaded together in different ways to form a fourth-order low-pass filter. The functionality of all filters is verified by simulations and low-pass filter as well as experimental measurements. Filter analysis examines the module, phase, common-mode rejection ratio, and behavior of filters while reducing optimal voltage. The results of simulations and experimental measurements are presented using the plots. The conclusion of the thesis is a successful verification functionality of the designed structure and comparison of different ways of connecting the filters to the cascade.
|
|
|
Pseudo-differential Filter Using DDCCs
Sládok, Ondřej
This article describes a pseudo-differential second-order filter, using three differential difference current conveyors (DDCCs) and five passive elements. The proposed structure is able to realize all types of frequency responses. The circuit has a high input impedance, low active and passive sensitivity and high common-mode rejection ratio (CMRR).
|
|
|
EKG předzesilovač s plovoucím vstupem a kalibrací
Florián, Antonín ; Rampl, Ivan (oponent) ; Chmelař, Milan (vedoucí práce)
Tato práce se zabývá zesilovači použitelnými pro snímání EKG signálu. První část se věnuje historii EKG a vlastnostem EKG signálu. Druhá část se zabývá všeobecnými požadavky a bezpečnostními požadavky, které jsou kladeny na EKG předzesilovače. Důležitou částí práce je popis funkce jednotlivých částí EKG předzesilovače a způsobů, jak dosáhnout potlačení rušení. Poslední část této práce je zaměřena na návrh EKG předzesilovače s plovoucím vstupem a kalibrací. EKG předzesilovač je navržen pro bateriové napájení.
|
host ::
RSS.