Assuming the practical model, what PIV rating is required for the diode? The transformer is specified to have a 12 Vrms secondary voltage for the standard 110 V across the primary. (2nd Approximation) * D 110 V R 10 kn- out) alll
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- How is a solid-state diode tested? Explain.Assuming the practical model, what PIV rating is required for the diode? The transformer is specified to have a 12 Vrms secondary voltage for the standard 110 V across the primary. (2nd Approximation)Determine Q-point for the diodes in the circuit given below using the ideal diode model where, R1 = 12.2 kΩ, R2 = 16 kΩ, and R3 = 14 kΩ. (Note: Label the diodes from left to right.)
- In a 1-phase full wave bridge rectifier with Vs = Vm sin ωt, with R load & ideal diodes. The expression for the average value of the output voltage is 2Vm/π Select one: True False3. It is required to design a full-wave rectifier circuit using the circuit shown below to provide an average output vol tage of10 V. find the required turns ratio of the transformer. Assume that a conducting diode has a voltage drop of0.7 V. The ac line vol tage is120 Vrms.The diode current in a p-n junction is modeled exponentially (given below.) When the p-n junction is polarized with 0.7V and 0.75V, the currents flowing through the diode are again measured on the basis of 1.36 mA and 7.20 mA. Accordingly, what is the ideality factor? (Note: Take the thermal voltage as mV)
- A schematic design of a full-wave bridge type power supply is given below. Provide the appropriate values for the inductors, diodes, capacitor and resistors, such that the output DC voltage is 6.2 V and the max. output power for the load resistance is 20 mW (percentage error for output voltage and output power is 2%). AC voltage source: Amplitude=311.13, Freq=60, DC offset= 0. For the rectifier part, choose diodes with an appropriate PIV rating. Show all the formulas and computations involved in acquiring the values for the inductors, diodes, capacitor and resistors. In choosing your Zener diode, consider the output voltage and the output current. Note that the output current should be the minimum Zener current. For the value of the series resistor RS, choose a lower value for less ripple but always consider the required output voltage. The ripple voltage peak-to-peak value should be less than or equal to 1% of the required output voltage. Use the formula below for choosing the value…Draw the V-I characteristic curve of a Ge based Zener diode with Zener breakdown voltage (?z=5 ?). Indicate three different regions of the curve. Subject: Electronic devicesDerive the current equations for the circuit shown below, using the labels as shown.Note that rz here is a model of the parasitic imperfection of the Zener diode.a) IL = ?b) II = ?c) IZ = ?d) What impact does rz have on VL?
- Draw the circuit diagram of a single phase full-wave uncontrolledrectifier with R-load. Describe its principle of operation. Draw thewaveforms of: input voltage, voltage across the load, current throughthe diodes and their voltage. Write the expressions for: the averageoutput voltage Vd, the maximum reverse voltage across the diode and thestandard transformer power. Describe what the difference will be if acapacitor is added in parallel with the load at the output.Consider the full-wave rectifier circuit shown below, where• vS(t) is a sinusoidal signal with a peak value (Vs = 5 V).• Diodes are modelled using constant voltage model with VDO = 0.7 V• The ac line voltage has an rms value of 120 V and a frequency (f) = 60 Hza) Calculate the transformer turns ratio. b) Plot in the same graph signal vS(t) and the output signal vO(t) versus time (t) (show all details including amplitudes, time instances, etc.) c) Calculate the rms value of the output signal vO(t). (hint: sin2(x) = 0.5(1- cos(2x))) d) If a capacitor C=3.58 F is connected across R = 10 k, repeat (b) in a new graphA diode is biased by a 0.9-V dc source, and its current is found to be 100 μA at T = 35◦C. (a) At what temperature will the current double? (b) At what temperature will the current be 50 μA?