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diode, homework, choose, back, zener, diodes, witch, functionTicket 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. If the current in a diode is too large, excessive heat will destroy the device.
the maximum theoretical bandwidth. The bandwidth we needed looked like this: Read data from camera into system: 30.72 Mbytes/sec Pass data to normalizer: 30.72 Mbytes/sec Pass data to filter: 30.72 Mbytes/sec Pass data to monochrome converter: 30.72 Mbytes/sec Pass monochrome data to output: 3.84 Mbytes/sec If you add all this up, you get 126.72 Mbytes/sec, well beyond even the theo- retical capability of the VME bus back then. More recently, I worked on a similar imaging application that was implemented with DSPs (Digital Signal Processors) and multiple PCI buses, and one of the PCI buses was near its maximum capability when all the features were added. The point is, know System Design 5 how much data you have to push around and what buses or data paths you are going to use. If you are using a standard interface such as Ethernet or
Tallinn University of Technology Department of Electrical Drives and Power Electronics Report on Exercises 2 Diodes Student ******* Code ****96 Group AAVB41 Tallinn 2012 2.1. Diode rectifier VD f = 9 kHz U=6V U = 19.7 V R = 96 k Figure 1. Circuit diagram Figure 2. Timing diagram
B: 1 1 1 0 ON ON ON ON ON OFF ON OFF A:CC B: 1 1 1 1 ON ON ON ON ON ON ON ON A:CC B:CC The diodes, D1-D8, protect the transistors against the coil flyback voltagewhen the transistors are turned off. The motor shaft is rotated by applyingdrive voltage to each input in the proper sequence. 4. Shoot-through, also known as cross-conduction. This is the condition that occurs when the upper and lower transistors on the same side of the coil turn on at the same time. If two transistors turn on at the same time, there will be a very low impedance between the supply
Microcontroller homework for week 05 1. Treshold, sensitivity, (full) range, linearity, accuracy, precision, stability, hysteresis, noise 2. VO = RH/(RT+RH) = 0.381356 V 3. A) 100 B) 212,464 4. A) B) R1 = 16,67 k C) D) E) RF = 10k, RL = 28k2, RH = 107k F) Before scaling: 2.35 steps/°C. After scaling: 3.42 steps/°C 5. Some things were assumed, as they were not given. 30 = 1,13V 40 = 0,976V So 35 should be between 40 and 30. Assuming about 1,053 V. Same for 5 degrees... Assuming about 1,725 V. 35 degrees digital 1,053/10*1024 = 107,8272 5 degrees digital 1,725/10*1024 = 176,64 177 108 = 69 ADC counts, 30 degrees SPAN 69/30 = 2,3 ADC steps per degree We need the tempertatur
(RSS) ENOB - The effective number-of-bits and relates to SINAD THD - Ratio of the rms value of the fundamental signal to the mean value of the RSS of its harmonics. SFDR - Ratio of the RMS value of the signal to the RMS value of the worst spurious signal. Channels related to the inputs of the ADC can either be multiplexed or individually selected. Linearity relates to how a ADC follows a linear function. All ADCs are to a certain extend non-linearity. Temperature is measurement, which in optimal state for ADC-s, lets them function correctly. Power dissipation refers to the amount power dissipated when the ADC is operating. 2. The output code is 001111012 and the voltage of the LSB is 0,0195V 3. The output code is 101011101101100 4. The value of the quantization error between an input voltage of 2.3V and quantized
4. THD - (total harmonic distortion) Ratio of the rms value of the fundamental signal to the mean value of the RSS of its harmonics. 5. SFDR - (spurious free dynamic range) Ratio of the RMS value of the signal to the RMS value of the worst spurious signal. 6. Channels - related to the inputs of the ADC can either be multiplexed or individually selected. 7. Linearity - relates to how a ADC follows a linear function. All ADCs are to a certain extend nonlinearity. 8. Operating temperature - measurement, which in optimal state for ADC-s, lets them function correctly. 9. Power dissipation - refers to the amount power dissipated when the ADC is operating. Question 2 An 8 bit ADC has a reference voltage of 5V. What is the digital output code word for an input of 1.2V? What is the voltage range corresponding to 1 LSB? 1,2𝑉 0,0195𝑉
the result to hexadecimal. a) 011010112 b) 101101012 === 2. a) 006B b) 00B5 === 3. Extend the following signed two’s complement 8-bit binary numbers to their 16-bit equivalents and convert the result to hexadecimal. a) 011010112 b) 101101012 === 3. a) 006B b) FFB5 === Logic and arithmetic 4. Using two’s complement arithmetic, calculate the following (choose a suitable number of bits for the representation): a) 121 – 185 b) -70 – 88 == 4. Convert back to verify answer == 5. Calculate the following without converting the number base. Show calculations. a) 3A916 + 24D16 == 5. 5F616 == 6. Variable X contains the number of bytes to be read from an external device. Using a binary shift, write one line of pseudocode to calculate the number of bits to be read and store the result in Y. == 6. Y = X shl 3 // shifts left by 3 bits, filling the emply bits on the right with zeros (3 bits) == 7. You have two Boolean variables A and B
· The induction machines are associated with the names of Dolivo-Dobrovolsky Tesla · One of the first eletrical motors has been built by Jacobi · Electromagnetic efficiency is measured in tesla · Time constants are measured by ms s hours · Who is the author of the first electrical motor Henry · Which rectifier cannot be built without a transformer 3-phase midpoint · Call the benefits of 3-phase rectifiers upon the 1-phase ones output voltage · Which rectifier has more diodes 3-phase bridge · In the case of high-pass filter before the load, what can you tell about the current higher · What is the difference between the construction and operation of a rectifier and an inverter input wave output wave · What are the advantages of a single-phase bridge inverter high efficiency high reliability · What kind of control provides the highest output power of the inverter block · What load inductance provides the interruptible output current zero
Read Chapter_6_Analog_Outputs.pdf and Chapter_8_EMI_ElectroMagnetic_Interference.pdf Question 1 Given the below open sensor detection: a. Derive equations for both outputs VO and Vsense as a function of VR, R1, Rth, RH, RL and RF. b. What value will appear on each output if the thermistor fails (becomes an open circuit)? c. How can the above schem be modified to implement temperature reading with open sensor detection using only one ADC and one digital input pin of the microcontroller? Solution: a. Derive equations for both outputs as a function of VR, R1, Rth, RH, RL and RF. Rth
.. 7 I'm looking forward to hearing from you ... 8 I look forward to meeting you. 9 I am writing with regard to the advertisement ... 10 How about getting together next Friday instead? 11 Pop in for a chat some time soon ... 12 You've been very helpful ... 13 Well, I must leave now ... 14 By the way, I've got to tell you ... 15 I regret to inform you that ... 16 It is with great happiness that I congratulate you on your engagement ... 17 Please accept my sincere apology ... 18 Write back soon! 19 Keep in touch. 20 You are cordially invited to attend... TASK 3 Read the two models and find out which model: 1. uses an impersonal style 2. uses examples of the Passive voice 3. uses short forms 4. includes only facts 5. includes examples of colloquial English 6. uses a short, zappy style 7. omits pronouns 8. includes formal language MODEL 1 Dear Madam, I'm writing on behalf of "World Travel" in response to your request for information on holidaying in the Caribbean.
0 A10 1 DC 2 A11 3 11. You are designing a multi-user interface that stores user preference data on external memory. You decided to use a PIC18F45K20 microcontroller and 24C02C EEPROM memory. Your microcontroller needs to generate a block wave that will act as a clock signal to synchronize data transfer to and from the memory. a) Choose a suitable clock frequency, based on the capabilities of the EEPROM module and the PIC. Suitable clock frequency is 0-400 kHz (from datasheet) b) Assume the clock frequency of the PIC is 16 MHz and one instruction cycle lasts 4 clock periods. Further assume that one loop of your algorithm requires 4 instruction cycles. Determine the total delay time for completing a command cycle sent to EEPROM, assuming the clock in EEPROM is 100 kHz. EEPROM clock is 100kHz = 10 µs
Microcontroller homework for week 10 1. PID control scheme: Equation describing the PID control: Differences between ,,bang-bang" control and proportional control: Proportional 0%...100% As error decreases, output decreases, e.g. reduces overshoot ,,Bang-bang" 0% or 100% Only 2 states (that's why also called On/off control). It has feedback. Similar to PWM ouput signal. Integral and Derivative terms in the PID equation: These are time-based terms: theintegral is an integral over some time period, and the derivative is the derivative between two time periods. Derivative to measure how fast the error is changing; rate of change in error gives indication of the size of the load; allows output to rapidly respond to changing inputs and compensate for varying loads and still offset error. Integral accumulation of errors; long-term control parameter; pushes the output towards the setpoint if PID control settled at offset from setpoint. 2. Three delays that occur when a h
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 movable walls for privacy. In utilizing the Northern
X. However, Y. The two ideas are placed in separate sentences. However comes at the beginning of the second sentence and is followed by a comma. Some of these connectives are sometimes also used in other positions in the sentence, and you should be prepared to see this when you read reports written by Englishspeaking writers. However, if you follow patterns given here, your writing will improve in fluency. TASK 1 1 Read the following letter of complaint and choose the best connectives to fill each gap from the options given afterwards. On 10 November 1999 we purchased from your company 500 pairs of `Gripfast' safety boots and 800 pairs of `Holdtight' safety gloves (Invoice No. 632/A559T). Prior to the transaction, you had informed us that, under our normal working conditions .................. (1) the boots and the gloves were guaranteed for a period of six months. ..................(2), only four months later, we now find that these items are of
box boxes bush bushes church churches dish dishes dress dresses foxes sandwich sandwiches witch witches fox m ar H am ch + Gr elp When the last letters of singular sh nouns are ch, sh, s, ss or x, s es you usually add -es to form ss the plural. x 24
Witchcraft Witchcraft is the alleged use of supernatural or magical powers. A witch (from Old English wicca m. / wicce f.) is a practitioner of witchcraft. Historically, it was widely believed that witchcraft involved the use of these powers to inflict harm upon members of a community or their property, and that all witches were in league with the devil. Since the mid 20th century, the term witchcraft has sometimes been used to distinguish between bad witchcraft and good witchcraft, with the latter often involving healing
_ 7 English tests _________________________________ (get) more and more interesting. _ 8 They _________________________________ (have) a party because it's her birthday. _ 9 I sometimes _________________________________ (ride) my bicycle to school. 10_ She usually _________________________________ (go) to the gym on Friday evenings. Marks: /10 2 Choose the correct tense (present simple or present continuous) in these sentences. 1 How do you usually start/are you usually starting your day? _____________________________________ 2 What time do you go/are you going to bed at weekends? _____________________________________ 3 This Girlzone CD is belonging/belongs to Alan. _____________________________________ 4 I understand/am understanding English, but not Spanish. _____________________________________
The SYSMAC Support Software Operation Manu- als: Basics and C-series PCs (W247 and W248) provide descriptions of SSS operations for the CPM1A and other SYSMAC C-series PCs. The SYSMAC-CPT Support Software Quick Start Guide (W332) and User Manual (W333) provide descriptions of ladder diagram operations in the Windows environment. The WS02-CXPC1-E-V72 CX-Programmer Ver. 7.2 Operation Manual (W446) and the WS02-CXPC1-E-V7 CX-Programmer Ver. 7.2 Operation Manual: Function Blocks/Structured Text (W447) provide details of operations for the WS02-CXPC1-E CX-Programmer. The CompoBus/S Operation Manual (W266) pro- vides CompoBus/S communications specifications and describes CompoBus/S application methods. Please read this manual carefully and be sure you understand the information provide before attempting to install and operate the CPM1A. Section 1 gives a brief overview of the steps involved in developing of a CPM1A System, describes the
b) it is unlikely to be popular with the workforce. c) I recommend that it should be adopted. 2 One advantage of the new scheme is its cost effectiveness. However,... a) it is likely to be extremely well accepted by the workforce. b) it is unlikely to be popular with the workforce. c) I recommend that it should be adopted. 3 There was an unusually high rate of absence in March, due to the 'flu epidemic. As a result,... a) in April, the absence rate was back to normal. b) production dropped by 3 per cent on the previous month's figures. c) difficulty was encountered in obtaining supplies of raw materials. 4 The manufacturers could be asked to send a representative to train company employees in the use of the machine on site. Alternatively,... a) this would be the most cost effective solution. b) they might be unable to send anyone in the near future. c) selected employees could be sent to the manufacturer's headquarters in Switzerland. Review
Conventional Missionary and Improved-Angle Missionary Improved-Pressure Missionary Conventional Cowgirl and Improved-Pressure Cowgirl The Clitoris The 15-Minute Female Orgasm The Hypothalamus-Pituitary-Testosterone Axis (HPTA) The Menstrual Cycle PERFECTING SLEEP FitBit Sleep Analysis WakeMate Sleep Analysis Zeo--Good Sleep Example Zeo--Bad Sleep Example Monophasic Sleep and Polyphasic Sleep REVERSING INJURIES Barefoot Walker's Feet and Modern Man's Feet Static Back Static Extension Position on Elbows Shoulder Bridge with Pillow Active Bridges with Pillow Supine Groin Progressive in Tower Alternative: Supine Groin on Chair Air Bench ART, Before and After Thoraco-dorsal Fascia The Chop and Lift Full and Half-Kneeling Ideal Placement on One Line Tricep Rope Attachment Single-Leg Flexibility Assessment Down-Left Chop Ideal Placement Down-Left Chop Ideal Placement Turkish Get-Up Start and Finish of Two-Arm Single-Leg Deadlift
3 1. What a railgun basically is A railgun is an electrically powered electromagnetic projectile launcher and a large electric circuit, made up of three parts: a power source, a pair of parallel rails and a moving armature. Along the pair of parallel conducting rails a sliding armature is accelerated by the electromagnetic effects of a current that flows down one rail, into the armature and then back along the other rail. Railguns have long existed as experimental technology but the mass, size and cost of the required power supplies have prevented railguns from becoming practical military weapons. However, in recent years, significant efforts have been made towards their development as feasible military technology. For example, in the late 2000s, the U.S. Navy tested a railgun that accelerates a 3.2 kg projectile to hypersonic velocities of approximately 2.4 kilometres per
Microcontroller homework for week 07 1. A) 40000 counts B) 36000 counts The difference between 20MHz and 18MHz is 4000 counts. 2. A) 555,555 counts more B) Higher resolution is caused by increased sampling rate. 3. A) Because the mixer needs additional components B) The mixer approach multiplies the frequency shift you want to measure, but also any other frequency shift. This includes drift caused by component heating, noise, etc. 4. The output waveform according to input: 5. A) 100 Hz B) 500 Hz C) 1 kHz 6. In an electrical system, a ground loop usually refers to a current, almost always unwanted,
-> hi-lo center transition center bit transition access to the line) secondary transmits with P/F bit off. when secondary station Hence, it's called the Point-to-Point Protocol (PPP) confused as to why one would want to use PPP over Ethernet at all. done transmitting, it turns the P/F bit back on, indicating that it is finished (Final Why is PPP important: · When is it useful? used by receiver's clock extraction circuit to bit). · multiplex multiple protocols over a single serial connection Compare TCP/IP traffic to vehicle traffic:
In the 15 th century Johann Gutenberg invented a mechanical process of duplicating texts, which we today call book printing. The first book was printed between 1444 and 1446, so these years can be considered as the beginning years of book printing. His most important preserved printings are the 40 copies of the Bible. By the end of the 15 th century there were about 1000 print-shops in Europe already. The oldest Estonian book dates back to 1535. Libraries form a vital part of education. They make available-through books, films, recordings and other media- knowledge that has been accumulated through the ages. People in all walks of life use libraries to get information for their work. Libraries also play an important role in preserving people's cultural heritage. For example, some libraries have rare books, authors' and composers' manuscripts or works by artists.
Tallinn University Natural and exact sciences Molecular Biochemistry and Ecology Maria Gnidenko Capillary electrophoresis Essay Supervisor: Kert Martma Tallinn 2015 Table of contents Acronyms and symbols used Introduction History and development Physical basis and principle of separation Elektrophoresis Electroosmotic flow Separation process Electrodispersion Various methods of separation Capillary zone�
good grades, but I would not bother torturing myself with mathematics anymore and that I would concentrate on the things I'm good at, like literature and English and other languages. Finally, 12th grade came and I already knew that I would like to study something with English or Public Relations or maybe those two together. I managed to pass all of my exams and graduate and then came the dreaded time of waiting to hear back from the universities. At the end, I had to choose between Spanish and English and naturally I chose English. I just feel so comfortable reading in English or writing in English. I don't remember when I last used subtitles when watching movies, just because I felt that it would also improve my English skills. I also have many friends abroad and I use English to communicate with them almost daily. I feel like English is around me all the time and I just cannot get enough of it. Right
sum square. 3. ENOB – The effective number of bits and relates to SINAD. 4. THD – Ratio of the rms value of the fundamental signal to the mean value of RSS of its harmonics. 5. SFDR – Ratio of the RMS value of the signal to the RMS value of the worst spurious signal. 6. Channels – multiple analog signal inputs to the ADC that can be individually selected or selected through a multiplexor. 7. Linearity – Describes how an ADC conveter follows a linear function. 8. Operating temperature – A temperature at which the ADC functions optimally, usually given by the manufacturer. 9. Power dissipation – The proportion of power dissipated (through heat) when the ADC is working. Question 2: An 8 bit ADC has a reference voltage of 5V. What is the digital output code word for an input of 1.2V? 001111012 What is the voltage range corresponding to 1 LSB? 0,0195V Question 3. A 15 bit ADC has a reference voltage of 10V
Throughout history, some of the most famous architects – Michelangelo, Leonardo, Calatrava, Gehry, Kahn, etc. – have built mock-ups of their projects before beginning construction in order to resolve unforeseen design issues and check for constructability. During the last decade, this model-building has moved into the virtual world in the form of Building Information Modeling (BIM). The idea of an intelligent information rich building model is not new. The identity of BIM dates back nearly 30 years, while the terminology of the “Building Information Model” has been in circulation for at least 15 years. Mass production and standardization that dominated the 20th century steel industry, is now, as a result of the proliferation of 3D computer aided design and manufacturing tools, turning into mass customization. The first notable steel structure to utilize 3D modeling was a copper-clad fish sculpture designed by Frank Gehry for Barcelona’s 1992 Olympic village
.................................................................. you. (UNDERSTAND) 8. You ...................................................... no trouble at school if you had done your homework.(HAVE) 9. Dan .................................................................. safe if he drove slowly.(ARRIVE) 10. Lisa would find the milk if she ................................................ in the fridge.(LOOK) 5. Fill in the article : a(n) or the, where necessary. Choose - where no article is used. 1. Listen! Dennis is playing ......... trumpet. 2. Alex goes to work by ............. bus. 3. She's reading .............. old comic. 4.Tom told us ................ interesting story, but only ............... half of ................. story was true 5.I often watch .............. TV but I seldom listen to ............. radio. 6........... youngest girl has just started going to ........ school and ........... oldest girl is at ........ university 7............
inputs to be used. Production is an activity where resources are altered or changed and there is an increase in the ability of these resources to satisfy wants. · Before goods can be distributed or sold, they must be produced. · Within the market model, production and costs of production are reflected in the supply function Production, more specifically, · the technology used in the production of a good (or service) · the prices of the inputs determine the cost of production. Production processes increase the ability of inputs (or resources) to satisfy wants by: · a change in physical characteristics · a change in location · a change in time · a change in ownership At its most simplistic level, the economy is a social process that allocates relatively scarce
Who are you? 2. Why are you who you are? 3. What are you doing? 4. What have you done? 5. Where are you now? 6. Where are you going? 7. How are you going to get there? 8. Why do you need a scholarship? 9. How will it make a difference? ESSAY OUTLINE: 1. Introductory sentence a. State your name b. State the name of the scholarship for which you are applying 2. Educational Objectives and Career Goals a. Identify your major b. Why did you choose this major? c. What will you do with a degree in this field? d. What career path have you chosen? Example: I have always enjoyed working with computers and I love to write. I'm pursuing a career in technological writing; this will allow me to pursue both interests focusing on a viable career and doing something that I enjoy. 3. Brief Background a. Who are you? (not your name) family, children, siblings, etc. b
can't say `no' to my little sis. Anyway we went to the forest near the Swan Lake and, believe it or not, got lost! Awful! I was so scared... We walked and walked, not even knowing the direction we were heading to, until we reached a huge mansion. And the garden around it was so extraordinary... That is something you just must see! But neither the trees nor flowers could be as wonderful as the owner himself! Sir Thom treated us tea and sandwiches, not forgetting to show us way back to the village. He was so kind, don't you think? In the end, when we had nearly reached our home, he suddenly stopped and called us to a ball! Can you imagine?! A ball with Sir Thom! What an honour... I bet Emily Woodcut will be envious. What about you, Mary? Have you made plans for the summer? I'd really like to introduce you to him after all, you are the governor's daughter. Then his opinion of me will raise even higher, right? So what do you think
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