Sökning: "analog input output"

Visar resultat 1 - 5 av 42 uppsatser innehållade orden analog input output.

1. 1. Analogue Circuit for Detection of Ageing Phenomena in Electric Drives

   Master-uppsats, KTH/Skolan för elektroteknik och datavetenskap (EECS)

   Författare :Yudong Lin; [2023]
   Nyckelord :Electric Drives; Ageing Process; Pulse-Width Modulation; Ringing Current; Peak Holder; Analogue Circuits; Elektriska drivsystem; Åldringsprocess; Pulsbreddsmodulering; Ringningar i strömmen; Toppvärdesdetektor; Analog krets;

   Sammanfattning : This master thesis presents an analogue peak holder circuit design aimed at facilitating the non-invasive inspection of the ageing process in electric drives. The ageing process of electric drives is a crucial aspect that demands accurate monitoring to ensure their long-term performance and reliability. LÄS MER

3. 2. Design of auxiliary communication for audio between computers and DSPs : Programming and optimization of computational resources

   Uppsats för yrkesexamina på grundnivå, Umeå universitet/Institutionen för tillämpad fysik och elektronik

   Författare :Eriksson Janze Oscar; [2023]
   Nyckelord :DSP; Audio-communication; Auxiliary; AUX; phone connector; USB-audio; STM32; ADC; AD-converter; filterbank; hearing aid; signalprocessor; ljudkommunikation; ljudkabel; AUX; USB-ljud; STM32; hjälpmedel; ADC; analog-till-digital-omvandlare;

   Sammanfattning : This thesis report is about designing a prototype and establishing audio communication between a computer and Digital Signal Processor (DSP) using two preamp circuits using both auxiliary and USB connection. The paper gives the reader an overview on how audio is transmitted from a computer, through the system and to the desired output. LÄS MER

4. 3. Implementation av mikrokontroller på en analog DC/DC-omvandlare : Konstruktion, programmering och testning som möjliggör digital funktionalitet på en analog omvandlare

   Kandidat-uppsats, Linköpings universitet/Institutionen för systemteknik

   Författare :Samuel Johansson; Skyler Ålund; [2023]
   Nyckelord :;

   Sammanfattning : The purpose of this project was to explore the possibility of using a general microcontroller for measuring and controlling a DC/DC-converter. The method for this implementation was to study the DC/DC-converter PKB4111D, planning the prototype board and constructing the board. LÄS MER

5. 4. Beam-steered Modulation in Advanced Antenna System

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Smitha Jinnahalli Venugopal; [2023]
   Nyckelord :5G-MIMO; Beam-forming; Beam-steering; Advanced antenna systems; Technology and Engineering;

   Sammanfattning : The newer spectral bands in millimeter-wave (mm-Wave) spectrum over the last few years have made higher data rates possible and improved quality of service for the users, but it possesses new challenges to design spectral agile radios. Power Amplifiers (PA) are a crucial analog component connected to Multiple input multiple output (MIMO) antennas which inherits non-linear effects. LÄS MER

7. 5. Antenna Design and Link Performance Verification of Antennas for 5G mmWave Handheld Devices

   Master-uppsats, Lunds universitet/Institutionen för elektro- och informationsteknik

   Författare :Vinodhini Mylai Chandrasekaran; Nikhila Chinnayanapalli Ravi; [2022]
   Nyckelord :Antenna Design; mmWave frequency; 5G; FEKO; Technology and Engineering;

   Sammanfattning : The purpose of the thesis is to design a new antenna system and to verify its link performance in 5G FR2 mmWave frequency for handheld devices to enable cellular communication. The main objective is to design an antenna primarily at 28GHz and 39GHz to enhance spectrum efficiency, along with improved transmission data rates, enabling new cases like Augmented Reality (AR), Virtual Reality (VR) and many more such applications. LÄS MER