Browsing Institutt for elektroniske systemer by Title
Now showing items 16-35 of 1522
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A 10 dBm 2.4 GHz CMOS PA
(Master thesis, 2006)This report describes the assessment and design of a 10 dBm 2.4 GHz CMOS PA including driver stage. The PA is designed in a 0.18 um CMOS technology. A three stage PA has been designed due to the high voltage gain needed. ... -
A 10 dBm 2.4 GHz CMOS PA
(Master thesis, 2006)This report describes the assessment and design of a 10 dBm 2.4 GHz CMOS PA including driver stage. The PA is designed in a 0.18 um CMOS technology. A three stage PA has been designed due to the high voltage gain needed. ... -
A 2.4 GHz Ultra-Low-Power Low-Noise-Amplifier
(Master thesis, 2010)In this thesis different aspects of general low power design and LNA-design have been studied. A new architecture for an ultra low power LNA is proposed and simple simulation results are presented. Simulations show that ... -
A 33 µW Sub-3 dB Noise Figure Low Noise Amplifier for Medical Ultrasound Applications
(Master thesis, 2011)The low noise amplifier is a critical part of most high performance ultrasoundreceivers, and is important for achieving high sensitivity and a wide dynamic range.By having a large gain in the low noise amplifier, the total ... -
A 65nm CMOS Front-end LNA for Medical Ultrasound Imaging with Feedback Employing Noise and Distortion Cancellation
(Master thesis, 2013)A high performance 67.2uW low power front-end Low Noise Amplifier (LNA) for ultrasound applications is proposed. The amplifier utilizes a balun based on a common-gate (CG) and a common-source (CS) combination. The CS-amplifier ... -
A 900 MHz 10 mW Monolithically IntegratedInverse Class E Power Amplifier
(Conference object; Peer reviewed, 2010) -
A Boost/Buck Power Supply Regulator with Superior Efficiency
(Master thesis, 2009)Several architectures are studied and a boost/buck power supply is proposed as to achieve superior efficiency. A boost and buck, dual mode converter core and drivers is implemented in a 180 nm cmos technology node and running ... -
A Chopper Offset-Stabilized Operational Amplifier in 22nm FD- SOI
(Master thesis, 2019)En chopper offset-stabilisert forsterker har blitt designet. Designet har blitt analysert ved bruk av Monte Carlo simuleringer pa skjema-niva med påførte mismatch og prosessvariasjoner. En 22nm transistor teknologi har ... -
A compact disk antenna for car-to-car communication
(Master thesis, 2008)The final goal of this document is the construction of multi-band terminal for the CVIS project to allow the communication among cars and between the cars and the roadside infrastructure. For the construction of this ... -
A comparative study for commercial TVOC sensors
(Master thesis, 2019)Inneklima har blitt viktigere med årene da menneskelig aktivitet i økende grad skjer innendørs. Internet of tings har gjort det mulig for mennesker å sammhandle bedre med den fysiske verden ved å hente informasjon ved hjelp ... -
A Comparative Study of Deep Learning Techniques on Frame-Level Speech Data Classification
(Journal article; Peer reviewed, 2019)This paper provides a comprehensive analysis of the effect of speaking rate on frame classification accuracy. Different speaking rates may affect the performance of the automatic speech recognition system yielding poor ... -
A control toolbox for measuring audiovisual quality of experience
(Master thesis, 2009)Q2S is an organization dedicated to measure perceived quality of multimedia content. In order make such measurements, subjective assessments is held where a test subject gives rating based on the perceived, subjective ... -
A digital audio playback system with USB interface
(Master thesis, 2009)A high performance sound card is designed and implemented using a USB enabled microcontroller and an external dataconverter. Data is retrieved either via USB or S/PDIF. The sampling clock is generated by a precision clock ... -
A Discriminative Approach to Pronunciation Variation Modeling in Speech Recognition
(Doktoravhandlinger ved NTNU, 1503-8181; 2013:15, Doctoral thesis, 2013)Put in the most general terms, this dissertation addresses the problem of automatic recognition of non-native proper names. Proper names in themselves tend to pose a severe challenge to speech recognition engines, as these ... -
A Dynamic Channel Model for Indoor Wireless Signals: Working Around Interference Caused by Moving Human Bodies
(Journal article; Peer reviewed, 2018)The use of indoor wireless devices has substantially increased in recent years. This escalation is due to the expansion of traditional communication devices, such as mobile phones and laptop computers, to less traditional ... -
A framework for the simulation and validation of acoustic fields from medical ultrasound transducers
(Master thesis, 2012)The unified simulation framework for medical ultrasound, FieldSim, cur- rently supports linear and non-linear simulations by using Field II and Aber- sim, respectively. In this thesis the quasi-linear simulation tool, ... -
A fully differential capacitively-coupled high CMRR low-power chopper amplifier for EEG dry electrodes
(Journal article; Peer reviewed, 2020)The use of dry electrodes is increasing rapidly. Since their impedance is high, there is a high impedance node at the connecting node between the electrode and amplifier. This leads to absorb powerline signal and high CMRR ... -
A Fully Differential Front End Charge Sampling Amplifier for Medical Ultrasound Imaging in 28nm FD-SOI Technology
(Master thesis, 2015)New generations of ultrasound imaging will contain thousands of receive and transmit elements in a single probe. This leads to challenges in analog front-end circuits concerning low power, low noise, low area consumption ... -
A High Speed Low Cost Capacitor Reset Circuit
(Master thesis, 2011)This master thesis presents the investigation and design of a capacitor reset circuit. The circuit was implemented and simulated using a standard 0.35µm CMOS process. A capacitive load of 20pF should be reset at 0.1% ... -
A Hyperspectral Imaging System using an Acousto-Optic Tunable Filter - Constructing and evaluating the hyperspectral imaging system
(Master thesis, 2015)The aim of this work was to built a high performance hyperspectral imaging system, a state-ofthe- art technology with applications among many fields, like medicine. Chapter 1 introduces this technology and its benefits. ...