Softube has developed DSP-card and software for simulation of the sound of old tube amplifiers. The purpose with this thesis is to design a compact amplifier with high power to function together with the DSP-card and build a unit that can replace several other guitar amplifiers. The advantages with that kind of solution could be that it would be cheaper, easier to carry and easier to stor than the real amplifiers. The amplifier that has been designed is of class D type with digital PWM modulator. There is several types of amplifier modules on the market that use analog input signal, but if one of them would be used a D-A converter is needed on the DSP card.

The purpose of this project was to study how the interference between two antennas in a MIMO system affects the linearity of the power amplifiers powering the antennas. For the MIMO system, two power amplifiers and twoantennas were constructed and designed using the software ADS and a software defined radio was constructed using the platform USRP and the software LabVIEW. The result was that the interference between the antennas affectsthe linearity of the power amplifiers powering the antennas adversely and a reasonable theory was that the interaction decreases inversely proportional tothe square of the distance..

This report present the design and manufacturing of a wide-band driver amplifier placed in radar module for airborne applications. The major goals for the amplifier were a high efficiency and to deliver a predefined output power. To reach the second goal an additional preamplifier had to be constructed. The amplifiers were constructed in three steps: Design and Layout in the software Microwave Office, Mounting components and Verification. The driver amplifier was decided to be a push pull configuration consisting of two parallel transistors biased in class AB.

During test flights SAAB uses the data acquisition system COMET 16. The part of the system that receives the signals from the sensors and converts them is called KSM 15. The purpose of this thesis is to develop a data acquisition module on stacked PC/104 modules with a lower production cost. Our work has been divided into one part about analog signal conditioning and a second part with digital filtering and memory management of the sampled data. The analog part, designed of regular components like instrument amplifiers, voltage references, operational amplifiers and multiplexers, adjusts the sensors signal levels for the ADC?s that converts the signals.

En av Bellman & Symfons produkter a?r den sa? kallade samtalsfo?rsta?rkaren. Samtalsfo?rsta?rkaren a?r ett ho?rselhja?lpmedel, som genom digital signalbehandling fo?rsta?rker ljudniva?n samtidigt som oo?nskat bakgrundsljud da?mpas.Via ett 3,5 mm jack pa? enheten kan vanliga lyssningstillbeho?r anslutas, sa?som ho?rlurar och o?ronsna?ckor. De lyssningstillbeho?r som Bellman & Symfon erbjuder idag a?r av enkel modell, och la?mnar mycket att o?nska vad ga?ller ljudkvaliteten.Genom detta projektarbete har jag studerat fo?rba?ttringsalternativ till dessa lyssningstillbeho?r, men har fokuserat fra?mst pa? sa? kallade stetoclips.Via mjukvaran Smaart v.7 Di simulerade jag upplevd frekvensga?ng hos olika lyssningstillbeho?r.

Abstract:Because personal assistance is relatively new in social care in Sweden we were interested in to get more knowledge in how supervisors for personal assistants worked. In our study we choosed to look into how the supervisors worked with the physical work environment for the personal assistants. The questions we wanted to found answers for in this study was, which work directions the supervisors for personal assistants have around the physical work environment, which legal provisions there were around the physical work environment for the personal assistants and how the supervisors experienced the work with the physical work environment for the personal assistants. We did a qualitative interview study with supervisors for personal assistants. We realised in our study that there were big differences in how the supervisors for personal assistants worked with the physical work environment for the personal assistants.

Personal Life Coaching is a new profession in Sweden. A Personal Life Coach wants to empower his/her client to make changes, clarify needs and reach goals. A coach can also be just a pivotal human connection for dialogue. The need for coaching has grown due to the societal changes and unsure rules on the labourmarket. Personal Life Coaching lays the groundwork for competence development and good health..

This thesis describes a method of measuring axial magnetic leakage flux in an operational hydropower generator. Axial magnetic leakage flux is the magnetic flux at the ends of a rotating generator, which goes through the stator parallel to the rotor axis. This flux can cause circulating currents in the stator iron, giving rise to losses, and can in the worst case overheat a generator, causing it to melt down. To measure the axial flux, and how it affects the generator temperature, a measurement system was constructed on behalf of Vattenfall. The system consists of search coil sensors and a signal-processing unit with amplifiers and active filtering.  To confirm the behaviour of the axial leakage flux and the functionality of the measurement system, a test installation was made.

Slutsatsen i vår studie är att syftena för inhyrning av personal är likvärdiga mot tidigare studier som utförts. Vi har i studien klargjort att flexibilitet är fortfarande ett centralt syfte att hyra personal istället för att anställa. Vi konstaterar även att motivet ?undvika LAS? inte är ett vanligt syfte att hyra personal, även fast undvikandet av LAS är en omdiskuterad faktor i den teoretiska referensramen. Tidigare studier visar att den största anledningen till att hyra personal från ett bemanningsföretag, är som ett alternativ för vikariat.

This study deals with branding at an individual level and aims to explore what a personal brand means, what benefits that?s obtained by actively working with a personal brand, as well as the strategies and methods used in the development of it. It has also meant a restriction in choice of interviewees made to informants who are familiar with and active in the personal branding process in their daily life. The essay is based on a qualitative research approach; six people working in various occupations were interviewed by a desire to generate information from different perspectives. The result shows that a personal brand is all about credibility, authenticity, and the image you present to others.

The study set out to find how artists organize and use their personal collections from a Personal Information Management (PIM) perspective, and how that use affects their practice and their art production. A secondary object of the study was to articulate the ways that personal collections are utilized as tools by creative users.  The empirical data consisted of five qualitative, semi-structured interviews with Swedish and Norwegian sound artists. The constant comparative method was used for analysis, and Activity Theory was used as a theore- tical framework for the study. The study concluded that artists? personal collections, while diverse in content and structure, serve the same functions as tools in creative processes, and that attention to the uses of personal collections highlight needs that could be better met by integrated PIM-functionality.

Purpose: The purpose of our thesis is to analyze the application of models from product branding on job-seeking business students as a way to establish a personal brand.Conclude: We found that the principles of product branding closely resembles those of personal branding and are therefore applicable. The models that build a products brand can do the same for a business student. Thereby we can conclude that personal branding does derive from product branding..

The work as a personal assistant is sometimes associated with certain problems. Studies have shown that personal assistants often experience indistinct rules and roles concerning what should or should not be included in their duties. This study was undertaken to evaluate problems associated with the profession as a personal assistant, how widespread they are and how they are dealt with. Specifically, the study evaluates if the personal assistants have to do duties that they consider they are not assigned to do. Different roles (formal as informal) are also discussed which may be of current interest in this study, but also how we see people on basis of ethics and moral.

The work as a personal assistant is sometimes associated with certain problems. Studies have shown that personal assistants often experience indistinct rules and roles concerning what should or should not be included in their duties. This study was undertaken to evaluate problems associated with the profession as a personal assistant, how widespread they are and how they are dealt with. Specifically, the study evaluates if the personal assistants have to do duties that they consider they are not assigned to do. Different roles (formal as informal) are also discussed which may be of current interest in this study, but also how we see people on basis of ethics and moral.

Slutsatsen i vår studie är att syftena för inhyrning av personal är likvärdiga mot tidigare studier som utförts. Vi har i studien klargjort att flexibilitet är fortfarande ett centralt syfte att hyra personal istället för att anställa. Vi konstaterar även att motivet ?undvika LAS? inte är ett vanligt syfte att hyra personal, även fast undvikandet av LAS är en omdiskuterad faktor i den teoretiska referensramen. Tidigare studier visar att den största anledningen till att hyra personal från ett bemanningsföretag, är som ett alternativ för vikariat.