EEE 202 Lab 1 Data Sheet

The error when measuring low resistance, is it systematic or random measurement error? What can be done with the measurement values to obtain more precise results?

Draw the signal flow chart of the simple resistance network.a) Determine the variables.b) Establish relationships between variables (using circuit rules).c) Identify branches and nodes and draw the signal flowchart.

Q1. a) An SCR based AC power controller circuit is given in Figure 1. The circuit connects a 240V 50Hz AC source vi to a resistive load with resistance of 100. If the delay angle is a-15°, draw the waveforms of the load voltage Vo, and the voltage across SCR2. Calculate the power supplied to the load. + Vi Va + 2 SCR2 H₁₁ SCR₁ Figure 1 SCR based AC power control circuit Va + 2 io b) Figure 2 is a single phase 2-level voltage source converter (VSC) with a DC voltage Vd-200V. A PWM scheme, by comparing a reference value with a 10kHz triangle waveform, is used to control the switches S₁ and S2. The modulation index of the PWM is m=0.8. With the aid of graphs explain how pulse signals for the switches are generated, sketch the output voltage Vo, determine the duty cycle, and calculate the average output voltage. + Vo + Vo √ ₂ == Figure 2 A single phase VSC

Define the term passive reference configuration. When do we have this configuration when using double subscript notation?

1- Draw the complete circuit diagram that illustrates the experiment concept as in figure 5 by showing the pins number. Show the following in your plot (Arduino board, steppermotor coils and the driver circuit). Note: The drawing should be on paper and not with artificial intelligence, please.

Explain why Permanent Virtual Circuits (PVCs) behave like a dedicated-circuit network.  Explain In Detail

1. For the ADC0804 used in section 1. the step size can be adjusted by setting the reference voltage on pin 9. When this pin is not connected (as shown in the figure 1 schematic), the reference voltage is the operating voltage Vcc. a) What is the step size for this default setting? b) How can we set the reference voltage on pin 9. to 4 V? c) What would be the step size after changing the reference voltage to 4 V? 2. Determine the analog input that will result in an output code of "10001110". Assume 5 V reference. Show your calculations. 3. What value of the analog input voltage would result in a digital output is 6F (hex)? Assume 4V reference. Show calculations. 4. In section, you used a 8-bit D/A converter. With a reference voltage of 5 V, what voltage does each bit represent in terms of the analog output? Show calculations. 5. For the D/A converter, if the output is 3.62 V, what is the value of the digital input? Show calculations. 6. For the D/A converter circuit shown in Figure 2,…

Title: Modelling and Simulating Boost Converter Battery Charging Powered by PV Solar Question: I need a MATLAB/Simulink model for a Boost Converter used to charge a battery, powered by a PV solar panel. The model should include: 1. A PV solar panel as the input power source. 2. A Boost Converter circuit for voltage regulation. 3. A battery charging system. 4. Simulation results showing voltage, current, and efficiency of the system. Please provide the Simulink file and any necessary explanations.

The purpose of the current limiting resistor in a Zener diode circuit is to _________. a. Maintain a constant current through the load resistor b. Maintain a constant voltage across the Zener diode c. Maintain a constant current through the Zener diode d. Drop the additional voltage from the power supply in order to maintain a constant voltage across the Zener diode Please answer it clearly.

1. Which of the figures is equivalent to the reference circuit?