Category: Engineering

  • Title: LTspice Simulation of Common Drain NMOS Amplifier Circuit Design

    Designing a Common Drain NMOS amplifier circuit in LTspice involves several steps. Here′s a guide to help you set up the simulation:
    1. **Create the Circuit**:
    – Place an **NMOS transistor** and label it as ′nmos′.
    – Connect a **resistor** (2kΩ to 20kΩ) between the gate (G) and the input voltage source (vin).
    – Connect a **resistor** (200kΩ to 1MΩ) between the source (S) and ground (GND).
    – Connect another **resistor** (200kΩ to 1MΩ) between the source (S) and a negative DC source (-VSS).
    – Add a positive DC source (VDD) to the drain (D) if not included in your desсrіption.
    2. **Configure the Source**:
    – For the input source, use a **sine wave** with a DC offset as specified in your project.
    3. **Set the NMOS Parameters**:
    – Use the `.model` command to define the NMOS characteristics, including the **threshold voltage (Vth)** between 0.5V and 0.9V.
    4. **Run the Simulation**:
    – Choose the type of analysis (transient analysis for time-domain response).
    – Run the simulation to observe the output waveform at the source of the NMOS.
    5. **Measurements**:
    – Use the `.meas` directive to calculate the **output′s peak-to-peak voltage**.
    – Calculate the **input′s peak-to-peak voltage** similarly.
    – To find the **voltage gain (Av)**, divide the output′s peak-to-peak voltage by the input′s peak-to-peak voltage. Ensure it′s between 0.9 and 1 as per your requirements.
    Here′s an example of how you might set up the `.model` command and `.meas` directive in LTspice:
    “`spice
    .model nmos NMOS (Vto=0.7 KP=120u W=1 L=1)
    .meas AC Gain MAX V(source)/V(vin)
    “`
    Make sure to adjust the parameters according to your specific project needs. If you need further assistance with LTspice or have more detailed questions, feel free to ask!
    Important Info
    The order was placed through a short procedure (customer skipped some order details).
    Please clarify some paper details before starting to work on the order.
    Type of paper and subject
    Number of sources and formatting style
    Type of service (writing, rewriting, etc)

  • Title: Exploring Sensor and Actuator Interactions with Arduino and Tinkercad

    Playing with sensors and actuators using the Arduino microcomputer and Tinkercad
    Important Info
    The order was placed through a short procedure (customer skipped some order details).
    Please clarify some paper details before starting to work on the order.
    Type of paper and subject
    Number of sources and formatting style
    Type of service (writing, rewriting, etc)

  • Title: “Beginner-Level C Programming Code for Ousb Board: Meeting Task Requirements and Report on Implementation”

    I need a c programming code that satisfies the tasks in the pdf provided and a report satisfying the questions in the pdf provided and the rubric, the code should not be advanced, it should be beginner-level but has to satisfy everything, the code will be demonstrated on an Ousb Board so please make it compatible.
    The report shouldn′t be more than 10 pages including the intro page and the pictures.

  • Title: “The Impact of Skipping Order Details on the Customer Experience: A Case Study Analysis”

    Instructions will be uploaded later.
    Important Info
    The order was placed through a short procedure (customer skipped some order details).
    Please clarify some paper details before starting to work on the order.
    Type of paper and subject
    Number of sources and formatting style
    Type of service (writing, rewriting, etc)

  • “Three-Angle Control Scheme for Selective Harmonic Mitigation: Analysis and Implementation in Power Systems”

    The project focuses on a specific selective harmonic mitigation technique known as the three-angle control scheme. To complete this project, the instructions, concepts, and analyses detailed in each section must be followed. Finally, the provided Excel file must be completed, and the achievements must be explained in the project report in the style and format provided in this instruction manual and in the report template.

  • “Project Management Solutions for Global Green Books Publishing: Turning Around a Struggling Business” Project Management Solutions for Global Green Books Publishing: Turning Around a Struggling Business “The Impact of Samantha’s Innovative Introduction Method”

    Overview
    Global Green Books Publishing (GGBP) was started two years ago by two friends, Jim King and Brad Mount, who met in college while studying in Philadelphia, PA. In the new business Jim focused on editing, sales, and marketing while Brad did the electronic assembly and publishing of books for their new company. Their business was successful and profitable in the first two years, largely due to contracts from two big businesses.
    In their third year, they got very busy thanks to their third major customer, a local college that needed customized eBooks. They hired several part-time employees (mostly students) to help them with their publishing business.
    But by the end of third year of operation, Global Green Books Publishing started experiencing critical problems. They were:
    inability to leverage all the new employees effectively
    unable to deliver eBooks to their customers on schedule
    problems with providing quality texts; time and money were being spent fixing defects in their products
    lack of cost control; their business was not profitable in the third year
    Global Green Books Publishing saw a significant rise in issues, and several unpleasant “surprises” were cropping up; business was down as new resources were hired, and some of the projects were poorly estimated. The local university was unhappy as their eBook products reached campus late for use by professors and students. In some cases, the eBooks were a week or two late. Since the courses must start on schedule and students need their eBooks at the beginning of their courses, the new, potentially lucrative college customer was unhappy.
    One of the new part-time employees hired by Jim and Brad, Samantha, had taken a project management course at college. Samantha was excited about the discipline of project management and had intentionally selected a job with Global Green Books Publishing as she saw an opportunity to polish her project management skills.
    One day, Jim invited Samantha for a lunch meeting. He was aware that Samantha was familiar with project management, and wanted to hear what she had to say about the problems he and Brad were facing. Over lunch, he questioned why their small business, which had operated and implemented projects so successfully over the first two years was being challenged significantly now. He specifically listed the problems they were facing and asked for input to solve them.
    Samantha asked for more time to research all the issues and later reported to the owners that Global Green Books Publishing, while being innovative, completed projects without a roadmap or a project plan and lacked a disciplined approach to project management. She noted that Jim and Brad did not use any project software for scheduling and they did not use tools or techniques to estimate, budget, or to communicate with stakeholders. Finally, they had no processes in place to manage project risks and quality.
    Impressed with this and other conversations, Jim asked Samantha if she would consider being reassigned as a project manager to help them introduce workable project management practices.
    Samantha accepted the offer. As her new bosses had figured out, she has several key skills; she is an excellent communicator with very good interpersonal skills and is detail-oriented. Within the first three months in her new role as PM, she introduced formal project management processes, created a PM manual, and trained the employees to get the work done successfully.
    Within nine months, Samantha had fully turned things around. Due to proactive risk analysis and risk response planning, surprises and issues were greatly reduced. Communication with stakeholders was enhanced.
    Brad and Jim noted that the company was delivering projects on schedule, the quality processes worked, and customers were happy with the products!
    Instructions
    Comment on the following aspects of the case study:
    Why did Global Green Books Publishing struggle initially? What were the specific PM solutions that were introduced by Samantha that worked?

  • “The Impact of International Personnel on Daily Operations: A Reflection on My Experience as an Assistant Project Manager in Miami Beach, Florida”

    (i work as an assistant Project manager for a genreral contracting company, we are currently working on a appartemnt build renovation in miami beach florida)
    Write at least a two-page essay (but not longer than 5 pages) describing how the presence of international personnel affects the day-to-day operation of your experience at work and in the classroom, in particular during the internship. Provide examples to support your point such as traditions or customs brought from abroad, celebrations of holidays, availability of international food, language barriers, etc. Be specific by providing relevant examples drawn from your observations, context, and influence of the global aspect you are highlighting. Draw meaningful conclusions of your observation and include some suggestions you may have. 
    Make it about your own experience, don’t copy and paste text, and try to cite as needed on best practices.
    I want to review a paper that reflects care, professional-level writing, and a mature approach from you.
    In broad strokes, the way I will grade this assignment is as follows:
    If you do not submit the assignment or submit something copied from the internet you will get 0 points
    If you submitted the assignment but did not make an explicit case, did not provide evidence, and did not provide your personal viewpoint you will not get more than one point.
    (please feel free to ask me any questions on any personal experince you want.)

  • Title: “Creating a Safe Haven for Animals: Proposed Animal Shelter in Barrie, ON” Introduction and Background: As the population of domestic animals continues to grow, so does the need for safe and humane shelters to provide care and shelter for

    Create a introduction and background for an executive summary. And a draft for proposed and regulations.
    I will propose an animal shelter at 517 Tiffin St, Barrie, ON L4N 9W6. It is a zone of general industrial.
    Example is uploaded

  • “Improving Writing Skills: Incorporating Feedback and Making Corrections”

    Please refer to document, corerct and respond to feedback given on right handside.  Please refer to attachments

  • “Exploring Nonlinear Programming and Optimization Methods for Efficient Problem Solving in Real-World Scenarios” Type of paper and subject: This will be an online class on the topic of nonlinear programming and optimization methods. The subject will cover the basics of

    online class to explain the material of nonlinear programming and optimization method
    Important Info
    The order was placed through a short procedure (customer skipped some order details).
    Please clarify some paper details before starting to work on the order.
    Type of paper and subject
    Number of sources and formatting style
    Type of service (writing, rewriting, etc)