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Department of Electrical Drives and Power Electronics Report on Exercises 3 on Electronics and Semiconductor Engineering Diode circuits Student AAVB-41 Tallinn 2008 Exercise 3.1. Diode characteristics Fig. 3.1. Circuit diagram Timing diagram Output characteristic (forward bias only) Forward Bias Reverse Bias Umax, V UAC, Vrms Measured Calculated IA, Arms IA, Arms 0,5 0,35 0,006 0 1 0,64 0,1 0 2 1,05 4,71 4
epics. The characters are either the embodiment of utmost goodness or the complete contrary. Beowulf is described as a wise, hardy, noble hero who is fighting universal evil, whereas Grendel is a hideous, horrific, grim, fierce and merciless fiend who possesses no good qualities. With the description of Grendel the author actually describes Beowulf as well as he is always the absolute contrary to Grendel. We know that this is an Anglo-Saxon text because it has all the characteristic features of Anglo-Saxon literature. For example the metrical system is alliteration and it is used in abundance e.g. "Many at morning, as men have told me", "Folk-leaders faring from far and near", "By that bloody battle the boon had come" etc. Another characteristic is that there is no rhyme, but rhythm. This was very important in the Anglo-Saxon period as in the contemporary time the epic was performed by court singers. "Beowulf" was written with four beats to each line. The
negative temperature coefficient (NTC) thermistor. You are using the circuit given below. (1 RF VRRF RF ) V V OUT Sensor RL RH RH a) Draw the resistance-temperature characteristic for the thermistor over the specified operating range. b) Assume VR = 5V. You are designing for a measurement accuracy of ±0.5°C. What is the minimum value that R1 can assume? Use a safety factor of 2 and assume the Dissipation Constant (D.C.) of this thermistor is 1mw/°C. P = 1mW/C * 0,5C = 0,5 mW P = 0,5 / 2 = 0,25 mW (safety factor = 2) R = 5758 Ω E= √ PR= √ 0,25 ∙ 5,758=1.2 V Current through thermistor : 1,2/5758 = 208µA
7. The amount of students involved in bullying (as either bullies or victims) is 15 per cent. 8. The chronological pattern of direct bullying can be described as increasing through the elementary years, peaking in the middle school/junior high school years, and declining in the high school years. 9. Distinguishing factors determining the occurrence of bullying so NOT include school size, racial composition, school setting(rural, suburban, urban). 10. Characteristic traits of a bully : (12 features) they have a need to feel powerful and in control; they appear to derive satisfaction from inflicting injury and suffering on others; they seem to have little empathy for their victims; they often defend their actions by saying that their victims provoked them in some way; they often come from homes where physical punishment is used, where the children are taught to strike back
Person discription Ever since I first met my friend Lily on-holiday camp several years ago, she has been my best friend. The first thing you notice about her, are her blue eyes, small nose and mouth, which make her face very photogenic. At first glance you can also see her long, blond hair and she is thin. The most characteristic thing about Lily is her sense of humour. It is rare to cheer everybody up in different situations, yet she always manages to do it.She is the soul of a party, which makes her extremely sociable. Pointing our her tendency to be incredibly precise. Some people claim she may seem quick-tempered but in reality deep down, she isreally an amiable person. Lily has a very unpredictable lifestyle, for this reason she spends a lot of time exercising
amphibians (toads), birds (great horned owl, golden eagle and the bald eagle), and reptiles (lizards and snakes). Widely distributed animals in cold deserts are jack rabbits, kangaroo rats, kangaroo mice, pocket mice, grasshopper mice, and antelope ground squirrels. The burrowing habit also applies to carnivores like the badger, kit fox, and coyote. Several lizards do some burrowing and moving of soil. Deer are found only in the winter. Something characteristic Desert biome is the driest of all the biomes. In fact, the most important characteristic of a desert is that it receives very little rainfall. Most deserts receive less than 300 mm a year. The temperature in the desert can change drastically from day to night because the air is so dry that heat escapes rapidly at night. The temperature also varies greatly depending on the location of the desert. Saudi-Arabia peninsula Climate
15 Limestone Paekivi 16 Part of the European Union Euroopa Liidu osa 17 Old Town Vanalinn 18 Medieval buildings Keskaegsed ehitised 19 The seat of Estonian government Eesti valitsuse asukoht 20 University town Ülikooli linn 21 Holidaymakers Puhkajad 22 Characteristic features Iseloomulikud jooned 23 Submerged in greenery Uppunud rohelusse 24 Hilly landscape Künklik maastik 25 Determined by the geographical position Määratud geograafilise asukohaga 26 As a rule Reeglina 27 Changeable Muutlik 28 Flat Tasane
primary elements contributing to the outstanding universal value of the property, and strongly enhanced its completeness and integrity. The buffer zone, increased from 370 ha to 2253 ha, also in 2008, now protects the immediate setting of the inscribed property in a much more complete fashion. Extended to the sea to include views from Viimsi and Kopli peninsulas, the buffer zone now includes 9 view sectors and 5 view corridors. To date, Tallinn has maintained its characteristic skyline visible from both the sea and the land. The characteristic skyline however could be vulnerable because of planned high rise development outside the buffer zone. Authenticity The site preserves to a remarkable extent the medieval urban structure of building plots, streets and squares, set out in the 13th century, as well as medieval urban fabric. The radial street network is well endowed with buildings from the 14th-16th centuries. The town
Eating Disorders It seems like every little girl dreams of becoming a model. They want to be thin and pretty like the models they see on television . Often the desire becomes an obsession and young girls see "thinness" as being a needed characteristic. For many girls, the teenage years are spent trying to acquire this look. Eating disorders are a serious health problem. Three of the most common eating disorders are anorexia nervosa, bulimia nervosa, and binge eating or compulsive eating disorder. There are other possible causes to this widely known health problem. The media shows a great deal of beauty and thinness on television and magazines that are viewed by many people daily. Everyone
0,80 - 50,1 4 0 39,9 0,81 - 59,6 7 0 44,8 0,83 - 70,9 1 0 - 0,84 - 80,6 1 0 - 0,85 - 90,1 1 0 - Estimation of the knee point and the forward voltage drop Uf The knee point voltage is obtained from fig.1.2. as 0,76V. The forward voltage drop is 0,82V. Conclusion The obtained volt-ampere characteristic looks like expected. The forward current of the diode depends exponentialy on the voltage across it. The characteristics for the reverse biased diode show no reaction because the voltage source was too weak to trigger any reverse current. The obtained forward voltage drop is in the expected region of 0,7-2V.
Native Hawaiian populations, nearly all Americans or their ancestors immigrated within the past five centuries. · Mainstream American culture is a Western culture largely derived from the traditions of European immigrants with influences from many other sources, such as traditions brought by slaves from Africa. Food · Slow-cooked pork and beef barbecue, crab cakes, potato chips, and chocolat chip cookies are distinctively American styles. · Characteristic dishes (apple pie, fried chicken, pizza, hamburgers, and hot dogs or french fries) · Highly sweetened soft drinks Music · American contemporary music can be heard all over the world, through MTV, Channel V, VH1, and by artists such as Michael Jackson, Elvis Presley, Jimi Hendrix, Patsy Cline, Billy Joel,Guns N' Roses. · American popular music also contains many styles of music (rock & roll, hip-hop, swing, jazz, blues, country, R&B, funk, pop)
Discription of my classsmate Ever since I first met my admirable friend Kristy on-holiday camp several years ago, she has been my favourite, irreplaceable companion. The first thing you notice about her, are her blue eyes, small upturned nose and large sensuous mouth, which make her face very photogenic. At first glance you can also see her long, blond hair, as well as slender body which make her look really amazing. As a rule she enjoys wearing atypical clothes. The most characteristic thing about Kristy is her unprecedented sense of humour. It is rare to cheer everybody up in different situations, yet she always manages to do it. Moreover, she is the life and soul of a party, which makes her extremely sociable. Pointing out her tendency to be incredibly precise and insistance an perfection. Some people claim she may seem quick-tempered but in reality deep down, she is really an amiable person.
Re- back, again- rebound Un- not- unhappy Anti- against, opposing- antifreeze Dis- apart, away- disappear Mis- badly, wrong- mistake Semi- half, partly- semicircle Uni- one- unity Bi- two- bicycle Ex- out- exit Non- not- nonsense Per- through- perforate Se- away, aside- secede SUFFIX- MEANING- EXAMPLE Ful- full of- wonderful, merciful Less- without- hopeless, senseless Able- able- readable, capable Ese- pertaining to- Japanese, Siamese Ian- composed of- Christian, Jeffersonian Ic- Characteristic of- angelic, volcaninc Ive- relating to- corrective, active Ous- full of- riotous, poisonous Er- one who- maker, hunter Hood- state, condition- manhood, likelihood Ness- state, condition- greatness, happiness Ship- condition, skill- friendship, workmanship Ess- feminine- lioness, patroness Ee- one who- employee, payee Ism- state, condition- socialism, colloquialism Ive- quality of- detective, captive Ist- one who- pianist, humorist Ment- state of being- refreshment, establishment
It is not completely dark at night from the beginning of May until the end of July. Estonia, on the coast of the Baltic Sea, is at the same latitude in Europe as central Sweden and the northern tip of Scotland. In North America, the middle latitude of Estonia passes through the Labrador peninsula and southern coast of Alaska. However, due to the influence of the Atlantic Ocean and Gulf Stream, the weather in Estonia is considerably milder than the continental climate characteristic of the same latitude. The temperature in the summer months (June September) is typically 15ºC...18ºC and in winter 4ºC...5ºC. Estonian weather offers many surprises. Temperatures may fluctuate by 20ºC. In the early morning the thermometer might read 12ºC and by afternoon it may already be 10ºC. Although it doestn't always snow in winter, there tends to be about 10cm of snow on the ground consistently from late December through to the beginning of March
The California Floristic Province The California Floristic Province is a zone of Mediterranean-type climate and has the high levels of plant endemism characteristic of these regions. The hotspot is home to the giant sequoia, the planet's largest living organism and its taller but less massive relative, the coastal redwood. This region also holds a number of threatened endemic species such as the giant kangaroo rat and the desert slender salamander, and some of the last individuals of the Critically Endangered California condor can still be found here. In fact, it is the largest avian breeding ground in the United States.
In 1925, what is called the three lion coat-of-arms finally became the national coat-of-arms. National flower The campaign to choose a national flower for Estonia was organized by The Estonian Wildlife Protection Society in 1967-1968 where the ornamental Blue Cornflower was the favourite because of its popularity and decorative appearance, because of this Blue Cornflower was selected as the National Flower of Estonia. National bird The barn swallow, the national bird, is a characteristic guest of Estonian homes. Its call can be heard from practically every eave or barn rafter in the country. If the bird finds a suitable opening, under the ridge of a roof or a broken window, it will build its cup-shaped nest; it will even build it inside a house. The choice of the barn swallow as a national bird was mainly the result of a campaign conducted by ornithologists at the beginning of the sixties. The Barn Swallow has been the national bird of Estonia since 23 June 1960.
Advantages and disadvantages of living in the countryside The first outstanding characteristic about the countryside is that it is beautiful and peaceful. The air is fresh and the surroundings green. This is because the countryside is free from pollution, land or noise pollution. Living in the countryside has a lot of advantages, but also many disadvantages. The places where people live affects greatly in their lifestyles and living places is one of the very basic needs for people. Firstly you are fit and you don't need to worry about your health condition, because in the
24.hard-working, diligent, industrious- töökas, usin, äärmiselt töökas 25.helpful, loyal- abivalmis, lojaalne=truu 26 kind, nice,polite- lahke, kena, viisakan 27.patient, reliable- rahulik, usaldusväärne 28.sociable, tactful- hea suhtleja, taktitundeline 29.wise, witty- tark, vaimukas 30.courageous, punctual- julge, vapper 31.grateful, imaginative- tänulik, ette kujutlusvõimeline 32. trustful- usaldav 1.a man of character- tugeva iseloomuga inimene 2.be characteristic to smb- olema kellelegi iseloomulik 3.a person with good upbringing- hea kasvatusega inimene 4. a review of character- kirjalik iseloomustus Negative traits of character 1.agressive, dishonest- 2.ambitious, lazy- 3.arrogant, proud- 4.pompous, boastful- 5.selfish, self-centered- 6.snobbish, narrow-minded- 7.petty, mean- 8.stubborn=obstinate- 9.two-faced , greedy- 10.rude, violent- 11.moody, bad-tempered= ill-tempered- 12.indifferent, boring- 13
CHARACTERISTIC FEATURES OF OLD ENGLISH - 15 monophtongs, (7 long, 7 short, 1 central), 4 diphtongs, 17 consonants. Free variaton of R, and it was pronounced everywhere. Very much Germanic in character. Quite some special consonants that no longer exist. About morphology: synthetic with numerous aglutinating tendencies. System of tenses Germanic, but with a reduction of tenses. Paradigmatic leveling; Stress shift; Word order; Loan words (Old Norse, Old French). Dual pronouns. Determiners - no separate definite article. Strong and weak verbs. Word order relatively free with tendencies towards SVO. SVO, SOV, VSO most common. Adposition and podposition were both possible (eesliide ja tagaliide). About syntax: clauses were joined much simpler than nowadays, using and, then etc. Because of case syncretion the word order in a sentence became much more important to be able to tell the difference between words. FIRST CONSONANT SHIFT (GRIMM'S L...
unhealthily. It seems like every little girl dreams of becoming a model. They want to be thin and pretty like the models they see on television like my little sister. The media shows a great deal of beauty and thinness on television and magazines that are viewed by many people daily. Everyone has the desire to look like the actors and actresses do but, in reality, it just will not happen for most of us. Often the desire becomes an obsession and young girls see "thinness" as being a needed characteristic. For many girls, the teenage years are spent trying to acquire this look. 40% of 9- and 10-year-old girls are already trying to lose weight and I find this fact really terrifying. Eating disorders are a serious health problem. Three of the most common eating disorders are anorexia nervosa, bulimia nervosa, and binge eating or compulsive eating disorder. This can lead to many health problems, for instance an irregular heartbeat, that causes heart failure and even death.
The purpose of the Internet has drastically changed over the years. Originally, just a massive global encyclopaedia, the possibilities of the Internet now have become endless. It has also become a social network, connecting you to people from every corner of the world, instantly. It has replaced live, face-to-face communication with other people. Instead of going out and meeting a friend for coffee, people prefer to sit In front of a computer screen, typing. The internet has another very bad characteristic feature: it is highly addictive. It takes valuable hours from your working day without you even noticing. Because the Internet is limitless, it has no boundaries, much like the universe, people always discover new things, new websites, new information and that curiosity is what keeps them constantly online. Not only does the Internet reduce our face to face communication, it also has a dramatic effect on our intelligence
The Romantic movement in American literature Romanticism in literature · Romantic · Romanticism is an artistic, literary, and intellectual movement · Influenced by : - Enlightenment - elevated medievalism · In America 1820 Characteristic features · Intuition, instincts, imagination, feelings · Folk art, nature, heroism · Protest against reality · Emphasis on women and children · Dreams · Symbolism and myths Events & Dates · The American Revolution (1776 -1783) · The French Revolution (1789 1799) · The Industrial Revolution · Civil war (1861 1865) · Colonies, communes · Ralph Waldo Emerson (1803 1882) · Henry David Thoreau (1817 1862)
Brands *Pros: quality is well-good/stylish/to show they have good taste/good design/reliability *Cons : don't want to show people you have a lot of logos/people have the same clothes/ inflated prices/needs value of money Marketing *The basic concept underlying marketing is human needs. *Marketing has been defined as the process of matching an organisation's resources with customer needs. *4 conditions necessary for exchange : value, delivery, communication, parties *4 variables of marketing mix: product, price, place, promotion The four variables, creation, distribution, promotion, and pricing are called the marketing mix. Product *Product is marketing process result. *An organisation must remain dynamic because the product is the only key to the organisation's solvency and profitability. *Company and consumer are independent because no matter how else the organisation runs itself cost-effecitively and sensibly, if the product is not se...
Project Plan Bellacoola The Bella Coola Development Study merges community requirements for the envisioned facility and the alternative approaches to building on the Bella Coola Northern Pointe site. Consultants’ reports regarding structural considerations and tree evaluation are included for their continued application to the problem. An effort has been made to work with the full extent of space requirements currently voiced by the Western Division Management Center and the Bella Coola Village Organization. Other organizations were queried to form the basis of judgment in determining the overall need. This recognizes that as the program development progresses, tenant requirements may change, but the essential square footage and cubic limitations for a below grade structure will remain. In addition, it has been envisioned that jointly required facilities would be available for all organizations to use on a shared basis, utilizing mova...
Ticket No1 1)The characteristic is called output characteristic or volt-ampere charateristic of a Rectifier Diode. 2)Rectifier Diode. 3) A is called Anode and C is called Cathode. An Anode has positive potential and therefore collects electrons in the device. Cathode has negative potential and therefore emits electrons to anode. The symbol looks like an arrow that ponts from the anode to the cathode, and reminds that conventional current flows easily from the p side(anode) to the n side(cathode). BIASING. Forward biasing
How far can we go being tolerant? One of our most valuable and rare qualities is tolerance. It is the ability to see things from the other side, capability to take our companions as equal and bravery to show out all those things. Just like all valuable things are uncommon, tolerance is rare too. It is caused by the fact that comparing to the previous centuries people have changed more self-centered and envious, forgetting others around. Tolerance as a characteristic feature is an acknowledged ideal in today`s modern society. The democratic state is based on tolerance. Over the last few years the attitude against ethnic monorities has been a frequently discussed topic in Estonia. Russians, who settled in Estonia during the USSR occupation are causing economical, racial and religious conflicts between them and Estonians. Although Estonians don't have any particular reason why we don't accept Russians as equals, we are used to just unaccept them.
Mormon Polygamy Polygamy was a defining characteristic of early Mormonism. Polygamy comes from Late Greek meaning ''often married'', is a form of marriage when a person has more than one spouse at the time. There are different types of polygamous families. When a man has more than one wife it is called polygny, when a woman has more than one husband it is called polyandry. If there are multiple wives and husbands it can be called group marriage. Mormonism is to say that it was dedicated to restoring everything in the Bible. Joseph Smith,Jr.,
Understandability is possessed by a software product if the purpose of the product is clear. This goes further than just a statement of purpose - all of the design and user documentation must be clearly written so that it is easily understandable. This is obviously subjective in that the user context must be taken into account, i.e. if the software product is to be used by software engineers it is not required to be understandable to the layman. A software product possesses the characteristic completeness to the extent that all of its parts are present and each of its parts are fully developed. This means that if the code calls a sub-routine from an external library, the software package must provide reference to that library and all required parameters must be passed. All required input data must be available. A software product possesses the characteristic conciseness to the extent that no excessive information is present.
able to charge with experience of absent from choose between experienced in accompany at comment on expert on according to compare with failure in accuse of complain about faith in accustom to composed of famous for accustomed to concentrate on fed up with admiration for confidence in feel about advantage of congratulations on feel like affection for conscious of fond of afraid of consist of forget about agree with contrast with forgive for ahead of convinced of friendly with allowance for correspond to frightened of angry with correspond with generous with annoyed with crazy about gentle with anxious about critical of genuine in apart from cruelty to ...
You want to measure temperature ranging from -10 °C to 50 °C using a negative temperature coefficient (NTC) thermistor. You are using the circuit given below. RF RF V R VOUT VSensor (1 ) R F RL RH RH Exercises - Solutions 5 Solution: a) Draw the resistance-temperature characteristic for the thermistor over the specified operating range. {Hint: Use the R25 and beta values on the thermistor datasheet} Check chapter 3: Sensor Analog_Interfacing_to_Embedded_Microprocessors.pdf See page 51 for the Rth resistance value over Temperature 0C T0 Rth -10°C 44.6 kΩ 0°C 28.1 kΩ
The region boasts mountains as high as 4,500 meters, peninsulas, and one of the largest archipelagos in the world. The climate of the Mediterranean Basin is dominated by cool, wet winters and hot, dry summers, and rainfall ranges from as little as 100 millimeters to as much as 3,000 millimeters. Although much of the hotspot was once covered in evergreen oak forests, deciduous and conifer forests, eight thousand years of human settlement and habitat modification have distinctly altered the characteristic vegetation. Today, the most widespread vegetation type is hard-leafed or sclerophyllus shrublands called maquis or matorral, which include representatives from the plant genera Juniperus, Myrtus, Olea, Phillyrea, Pistacia, and Quercus. This vegetation is similar in appearance to the chaparral vegetation of California and the matorral of Chile. Some important components of Mediterranean vegetation (species of the genera Arbutus,
Marit Moorits 12b Kristjan Raud Kristjan Raud (18651943) belongs to the older generation of Estonian artistic pathfinders. Together with his twin brother Paul Raud and his contemporary artist, Ants Laikmaa, he managed to break through the obstacles set before the Estonians by the prevailing peasant mentality and the extremely classconscious society of the time. Kristjan Raud was one of the first Estonian artists who is brave enough to try and make his career in his homeland, although his talent and connections in the art world, established already during his studies in Germany and St.Petersburg would have enabled him to easily merge in either place. The long years of study in St.Petersburg, Dusseldorf and Munich ended in 1903 when Kristjan Raud settled at home. A great ...
Test 1 Form 11 1. What adjective best describes those people? He trusts everybody and believes everything that people tell him. I think he is naive..................................................................... His exam results were fantastic but he says they were OK. I think he is level-headed and modest She always thinks about other people before herself. I think she is generous. My uncle always brings us expensive gifts for holidays. I think he is rich and generous He is never willing to listen to others or accept new ideas. I think he ise narrow-minded. 2. Underline the correct word to complete the sentences. * The children have been as good as silk / gold all morning. * After the divorce Clare felt as free as a bird / bee. * Stories about fairies and dwarfs are as old as ABC / the hills. * You have to be as quiet as a bat / mouse or you wake our baby up. * You should ea...
Technical translation Technical translation Forms a part of specialised translation The other part is comprised by institutional translation (politics, commerce, finance, government, etc.) Can be considered somewhat culture-free (not really true?) Universal: not confines to one speech community Characteristic features: Terminology (5-10%), only that much, but it makes the text hard to translate Format: technical report, but also instructions, manuals, notices, publicity Grammatical features in English: passives, third persons, empty verbs, present tenses. Technical Style Free from emotive language, connotations, sound-effects, original metaphor Part of technical translator’s job often is to rephrase poorly written language and convert metaphor to sense. Varieties of Technical Style Academic or scientific styl...
55 0.5 0.27 0.2 No 76% 5 8 noticable change in efficency in both cases. 5. Experimental traces Graph 1 Mechanical power and Torque as a function of speed Graph 2 Armature current power and armature voltage as a function of speed Graph 3 Armature current and efficency as a function of Torque 6. U/f characteristic With boosting Without boosting 7. Solutions of the problems 4.1 How much are the nominal and maximal currents of the drive? Explain the difference of nominal and experimental current data. From nameplate, we get that the nominal currents are 1,7 / Y 1,0A. From the experiment with connection, we get that the nominal current is 0.75A without boosting and 0.8A with boosting and that the maximal current is 2.6A without boosting and 2.8 with boosting.
spirits for the God, they needed to prevent future settlers of Massachusetts to be as same gracious, charitable and religious as them. One thing worth mentioning is the notice that Winthrop doesn’t talk about private institutions at all. This is something very similar to other Puritans – they negated this concept because of Stuart corruption. Charity had to be maintained amongst people not institutes. A lot of plain style characteristic to the Puritan theme can be brought out from his sermon. Many principles and virtues are expressed with ordinary words which together combine a thoughtful notion. One of the many examples sounds like this:”in all times some must be rich, some poor, some high and eminent in power and dignity, others mean and in subjection.” (Winthrop, 1996) Nothing is exaggerated and the common reader can understand the simplicity clearly. All this plain style together has the effect of elegant style
for ceremonial purposes. Each part of the basket has a very distinct meaning. Like Navajo textiles, only women generally make baskets. Some Navajo baskets have specific symbols and colors, such as a red design to represent darkness and clouds, and a black triangular layer to represent all of the Holy People. The four Sacred Mountains are represented by a black triangle. Different tribes use different materials, weaving techniques, basket shapes, and characteristic patterns. Sandpainting Traditional sandpainting, considered a sacred art, is important aspect of Navajo art and culture. Sandpainting consists of images and patterns created with colored sand. These usually depict the deities of the Navajo but also plant and animal symbols. There are two very distinct and very different forms of Navajo Sand Paintings. First is the traditional "sacred" sand paintings, performed by a Medicine Man, as part of a healing ceremony.
Guild only accepted merchants, who had a house, wife and who was local. Great Guild activity ended in 1920, when Estonia abolished guilds. The Great Guild Hall The Great Guild Hall is one of the most outstanding buildings of medieval Tallinn. In 1406, it was purchased Burgomaster Gosschalk Schotelmund's house on Pikk street. In 1410, the construction was completed. Same year the Great Guild moved into the building. The facade was designed in a style characteristic of gothic Tallinn. The 16th century witnessed the addition of a gable tower with wind vane, as well as a light latern above the main portal. In 1551, the excise chamber was built at the end of Börsi passage facing Pikk street. The Great Guild Hall The wind vane and coat of arms In the 19th century, the Guild Hall's windows were remodelled in the neo-gothic style and the interior of the building was renovated. It was decorated with prominent neo-gothic doors.
Estonia is a small country in Northern Europe with an area of about 45 000 sq km. The country's climate is determined by the proximity of the Atlantic Ocean. The summer temperatures are a little lower than the average of that latitude, but the winters are considerably warmer. As a part of the East-European Plain, the country has a rather flat surface. The highest and most topographically variagated region in Estonia is in the south-eastern part of the country. The Sakala Upland plains offer contrast to the hills of Ottepää, Karula and Haanja. At 318 metres, Suur Munamägi ('Great Egg Hill') is not only the highest point in Estonia, but of all the Baltic countries. The country has 3974 km of coastline, while the land border, in comparison, is only a mere 633 km. The coast varies from limestone cliff in the north to sandy beaches in the west. Most of Estonia's many islands belong to the West Estonian archipelago. The largest islands are Sa...
it, and is found in the temperate zone (as many mosses, liverworts, lichens and algae) and in the tropics (as many ferns, cacti, orchids, and bromeliads). Lianas A liana is any of various long-stemmed, woody vines that are rooted in the soil at ground level and use trees, as well as other means of vertical support, to climb up to the canopy to get access to well-lit areas of the forest. Lianas are especially characteristic of tropical moist deciduous forests and rainforests. Fig trees Ficus is a genus of about 850 species of woody trees, shrubs, vines, epiphytes, and hemiepiphyte in the family Moraceae. Collectively known as fig trees or figs, they are native throughout the tropics with a few species extending into the semi-warm temperate zone. http://www.bbc.co.uk/nature/programmes/tv/jungle/vjungle.shtml 1.3. Describe these features Canopy insects
dialect · D does not disappear in Is the most common laadivahetusega words : Pada- dialect and also most wide pajas>padas spread Western dialect The most important feature of the western dialect is the V changing into B : kõva kivi>kõba kibi It is usual that in the non-stressed end syllables I changes to E : nimi>nime, ei tohi>ei tohe In comparative the A-stem exists : kõvem>kõvam, parem>param A characteristic feature is the strong form of Inessive:jalas> jalgas, rannas>randas. insular dialect The absence the Õ-vocal, instead Ö is used, but in addition to Ö can also E, A, O and U be used instead of Õ Eg: sõber>söber, kõik>keik, sõnad>sanad, jõulu>jõulu, lõhki >luhki The vowels O, E and Ä will change if they are in front of H, to either U or I eg: kohad>kuhad, mehe>mihe, teha>tiha pähe>piha. Has a singing intonation that is belived to come from the swedes
Estonia traditional costumes In Estonia traditional costume denotes mainly the festive peasant dress of the 19th century, which in its time referred besides social status also to national background, as the ruling class were mainly German at the time. The former peasant costume of regional variation has become today a national symbol and has turned due to its altered function into a national dress. Estonian country folk produced their clothing mainly from home-spun woollen or linen fabric: shirts and married women's head-wear was mostly made from linen, while various outer garments, gloves, stockings and socks, were made from wool. The majority of the clothes remained undyed for a long time: linen garments were bleached white, while woollen outer garments were mainly sheep-brown or black. The wool for making skirts was dyed with herbal dyes. The bedstraw root was particularly widely used to produce red colouring...
binary input code of 1001001001002? 5,67V Question 13 What is the resolution of a 16-Bit DAC? 65536 bits Question 14 Name 5 characteristics of DAC’s. Gain error, offset error, resolution, monotonicity, accuracy Question 15 For the following 3-Bit DAC, analyse the circuit to verify its operation for the following input combinations. (Assume VR=5V). a) S2S1S0=0102 1,25 b) S2S1S0=1012 3,125 c) S2S1S0=0112 1,875 Question 16 1. Draw the motor current and the motor voltage characteristic during the operation with a constant PWM signal of 50% duty cycle. 2. Recommend the suitable range of frequency for this PWM applied in microcontrollers. Analyze the advantages and disadvantages of PWM systems. The frequency should be about 30kHz, voltage 5V. The advantages of PWM systems: 1) Very high efficiency (not much heat produced) 2) Relatively cheap 3) Makes the motor run better The disadvantages of PWM systems: 1) PWM circuits are complicated
built much more spacious. The Town Hall acquired the architectural appearance it has today. Rough copies of the city's calculations of the building work survive in the archives and so it is possible to closely follow the progress of construction. Even the amount of building materials has been recorded. In the 17th century the Town Hall acquired a new, Late Renaissance spire. In 165052 the main entrance was moved to the middle of the building, characteristic of the baroque age, and the main portal was closed. The arcade that earlier enhanced the stateliness and individuality of the Town Hall as well as the windows of the basement and the ground floor were walled up. Partitions were built into the Citizens' Hall, turning its space into several separate rooms. A lot of the medieval architecture of the Town Hall was destroyed or distorted in the course of that reconstruction. In 1667 the interior decor of the Council Chamber was modernised
875 Vref R f (4S2 2S1 S0 ) 5(4S2 2S1 S0 ) VOut 8R 8 Question 16 Pulse-Width Modulation (PWM) is a commonly used technique for controlling power to inertial electrical devices and DC motors. The PWM switching frequency has to be much faster than what would affect the load on the DC motors. 1. Draw the motor current and the motor voltage characteristic during the operation with a constant PWM signal of 50% duty cycle. 2. Recommend the suitable range of frequency for this PWM applied in mictrocontrollers. Analyze the advantages and disadvantages of PWM systems. Solution: 1. Draw the PWM signal of 50% duty cycle for the motor current and voltage: UMotor 50% On & 50% Off UMotorMax
..0,7. The quality class is III ...IV. Kõige sagedasem täius on 0,5...0,7. Boniteediklass on III...IV. The density of undergrowth is very varied.: juniper, hazel, fly honeysuckle being the most common species. Alusmetsa tihedus on väga erinev: kõige levinumad liigid on kadakas, sarapuu, harilik kuslapuu. The ground vegetation varies according to the light conditions and geographical lacation. Alustaimestik muutub vastavalt valgustingimustele ja geograafilisele asukohale. The characteristic species are: red grass, heath false brome, mountain melick, blue moor grass, blood-red geranium, dropwort, hepatica. Iseloomulikud liigid on metskastik, sulg-aruluste, longus helmikas, lubikas, verev kurereha, angerpist, sinilill. The characteristic plants of the moss layer are: Hylocomium splenders, Pleurozium schreberi, Rhytidiadelphus triquetrus. Samblarindele iseloomulikud taimed on harilik laanik (Hylocomium splendens), palusammal (Pleurozium schreberi), metskäharik
Tartu Kutsehariduskeskus Autoremondi osakond Indrek Jõgi Turbo ISESEISEV TÖÖ PNEUMAATIKAST Juhendaja: Paul Kütimaa Tartu 2010 Sisukord Sisukord............................................................................................................................... 2 Sissejuhatus..........................................................................................................................3 Rõhk- rõhu reguleerimine....................................................................................................6 Blowoff valve ......................................................................................................................7 Kasutatud kirjandus............................................................................................................. 8 Sissejuhatus Iseseisva töö eesmärgiks on teostada pneumaatika hüdrau...
(Assume VR=5V). a)S2S1S0=0102 Output voltage = 1.25 V b)S2S1S0=1012 Output voltage = 3,125 V c)S2S1S0=0112 Output voltage = 1.875 V Question 16 Pulse-Width Modulation (PWM) is a commonly used technique for controlling power to inertial electrical devices and DC motors. The PWM switching frequency has to be much faster than what would affect the load on DC motors. 1. Draw the motor current and the motor voltage characteristic during the operation with a constant PWM signal of 50% duty cycle. 2. Recommend the suitable range of frequency for this PWM applied in microcontrollers. Analyze the advantages and disadvantages of PWM systems. The frequency should be about 30kHz, voltage 5V. The advantages of PWM systems: Very high efficiency (not much heat produced) Relatively cheap Makes the motor run smoother The disadvantages of PWM systems: PWM circuits are complicated
-16 -18 -20 U ac, V Figure 5. Volt-amphere characteristics, reverse biased Conclusion Multisim gave us a virtual diode with the idealized symmetrical output characteristic. This means that if the voltage drops across anode-cathode are bigger than the knee voltage, then the current increases rapidly. But if not, then only very small current occurs. In the reverse biased, the voltage across the diode could be large, but only a small current occurs. is obtained as 0,57V from figure 4, which is made by the data we can see from table 1. 2.2 Series clippers VD
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