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Consider the OR logic circuit shown in Figure 2.41. Assume a diode cut in voltage of
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Microelectronics: Circuit Analysis and Design
- 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 grapharrow_forwardIn the circuit shown in Figure 2–52 (p. 97), the Zener diode has a reverse breakdown voltage of 12V. RS = 50 Ohms, VS = 20V, and RL can vary from 100 Ohms to 200 Ohms. Assuming that the Zener diode remains in breakdown, find: (a) the minimum and maximum current in the Zener diode; (b) the minimum and maximum power dissipated in the diode; and (c) the minimum rated power dissipation that RS should have.arrow_forwardDesign a center-tapped full-wave Rectifier Circuit to provide an output of 100 VDC. Then calculate its transformer peak voltage rating, the diode PIV rating, and the transformer turns ratio, if the power is taken from the 220V line AC supplyarrow_forward
- Design rectifier circuits to provide an output of100 VDC using a.) HWR b.) Center-tappedFWR and c.) Bridge-Type FWR circuits. For each circuit, calculate the transformer peakvoltage rating, the diode PIV ratings, and thetransformer turns ratio, if power is taken fromthe 220V line ac supplyarrow_forwardThe 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)arrow_forwardsolve all on the keyboard or will dislike if need draw on paper no problem (a) Explain the following terms as they relate to semiconductor diodes: Avalanche effect, Depletion region, and Intrinsic semiconductor (b) With the aid of fully labeled Crystal Lattice Structure diagram (s), explain how P-type material of a semiconductor is formed. (c) Draw a diagram showing the volt-ampere characteristic of a Zener diode. Explain the difference between Zener breakdown and Avalanche breakdown mechanisms. (d) A bridge rectifier is supplied with 120Vrms sinusoidal signal. If each diode has a junction voltage of 0.7V, determine: The peak voltage at the output of the rectifier and A suitable peak inverse voltage rating of each diodearrow_forward
- 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…arrow_forward(Q1 ,b) Required Explain the applications-based comparison b/w FWBR & CT-FWR so that under what conditions you will choose the CTWR.? b. Interpret (using the circuit diagram & the waveform diagrams) the behavior of a controlled Half-Wave Rectifier during the negative half cycle of AC supply when it is connected with RL load in the following cases; a. Without Free-wheeling diode.arrow_forwardA full-wave bridge rectifier with a 236.86V p-p sinusoidal input has a load resister of2KΩi. Draw the wave form that the load resistor R would see. ii. Assuming diodes are ideal, what is the dc voltage available at the load resistor? iii. What is the dc voltage available at the load if silicon diodes are employed? iv. Calculate the maximum current flow through the Diode D4 during conduction.arrow_forward
- Design Half-wave Rectifier Circuit to provide an output of 100 VDC. Then calculate its transformer peak voltage rating, the diode PIV rating, and the transformer turns ratio, if the power is taken from the 220V line AC supplyarrow_forwardA number of diodes rated at 1620 V each are to be connected in series in a rectifier circuit with a maximum voltage of 3000V. A de-rating factor of 15% is recommended. The maximum difference in leakage current of the diodes is given as 10mA , and the maximum difference in stored charge is 20µC. Calculate, 1) the number of diodes that must be used, 2) a suitable component value for the static equalization circuit; 3) a suitable component value for the dynamic equalization circuit.arrow_forwardElaborate the following with Scientific Reason a. Why Intrinsic Semiconductor materials are the bad conductors of electricity? Elaborate the process to make them full conductors b. Elaborate the concept and importance of Majority Carriers and Minority Carriers inside P-N Junction c. Elaborate why Depletion Zone inside P-N Junction is a problematic area? What necessary measurement should be taken to remove the depletion zone?arrow_forward
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