The voltage dropout of a voltage regulator is 1.6 V. If a 12 V output is required, what is the minimum regulator input voltage?
The voltage dropout of a voltage regulator is 1.6 V. If a 12 V output is...
(a) The following circuit shows a linear voltage regulator. Assuming the zener diode has specifications (VZ = 2.5 V, IZ = 60 mA), select adequate resistor values to provide a regulated output voltage Vo = 10 V from an unregulated voltage Vi = 15V. (b) Calculate the power efficiency of the regulator when a load RL = 10Ω is connected to the regulator output. (c) Briefly explain the terms “dropout”, “line regulation”, and “load regulation”, as they apply to voltage...
A boost regulator has an input voltage of Vs = 5V. The average output voltage Va= 15 V and the average load current la = 0.5A. The switching frequency is 25 KHz. If L = 0.15 mH and C = 220uF. Determine: the duty factor, the ripple current of inductor, the peak current inductor, the ripple voltage of filter capacitance, the critical values of L. Plot the waveforms for the source current, inductor current, filter capacitor current, capacitance voltage, and...
For the circuit below, the output is at 15 V and the input voltage is at +2 V if the input voltage is gradually lowered to -2 V, at what input voltage does the output switch from +15 V to-15 V (to 1 % accuracy)? The op-amp has rail-to-rail swing, and a gain-bandwidth product of 3 MHz. The resistors used are r1 -1.5 k ohm and r2 22.8 k ohm r2 Vin 2 +2 V +15 V r1 f 1...
What is the Output Voltage of a 12 Bit DAC with a 10 V Reference Voltage for the Following Inputs? Conversion Resolution __________________ Input 110110001110 Voutput _____________________________ Input 100101111011 Voutput ______________________
a) The DC power supply below is connected to a 110 V RMS, 50 Hz AC mains. The transformer has turns ratio N, : N2 = 10 : 1, and the diodes have forward voltage drop 0.7 V, and the regulator has dropout voltage 1.8 V. We require V 5 V. OUT =2 A GND 110 V rms O A R V Va VC 50 Hz N2 N i. Given the transformer has turns ratio Nį: N2 = 10: 1...
What does a linear regulator do? A. Regulate linear activity. B. Smooths input voltage into a clean output. C. Takes a range of DC voltage inputs and outputs a constant DC voltage based on the type of linear regulator. D. Switches AC signal to a constant DC voltage based on the type of linear regulator Reset Selection
Q5 (a) Design a shunt regulator circuit that meets these requirements: • voltage regulation is achieved by drawing large current from load through a transistor • the regulated output voltage is 9V • the input voltage is 15V • input current shall be twice the load current Show a complete circuit configuration with values of all required components. (12 marks) (b) Analyse the effect to circuit operation if the load resistor is larger than its designed value in Q5(a). Support...
QUESTION 1. (15 points) GIVEN THE INPUT WAVEFORMS, ASSUMING VOLTAGE VOur IDEAL OP AMP. DRAN THE OUTPUT IVEN THE INPUT WAVE A. DRAW THE OUTPUT VOLTAGE Voor ON TOP OF INPUT SIGNAL V +V B. DRAW THE OUTPUT VOLTAGE Vour ON TOP OF INPUT SIGNAL V +V +V Vi. C. HOW MUCH VOLTAGE WOULD HAVE TO BE AT THE POTENTIOMETER IN ORDER TO STABILIZE THE OUTPUT AT EXACTLY 0 VOLTS? +12 V +12 V V) Voltmeter 12 V 5V -12V...
Question # 10 (Ch. 29) The output voltage of a 75 W transformer is 12 V, and the input current is 22 A, (a) is this a step-up or step-down transformer? (b) By what factor is the voltage multiplied by? (6 pts)
4) a. In the regulator shown in figure 6, R: -60K0, R = 45KN and V2 = 5.8V. If the 12 V output drops 0.2 V, calculate the change in Vez that results. (12 Marks) Q. R V Vo Q V SR SR Figure 6 MEC_AMO_TEM_034_01 Page 5 of 10 Industrial Electronics (ELEC 20002) - Spring - 2020 - CW (Assignment 2) - ALL-QP b. Consider the voltage regulator circuit as shown in figure 7. The unregulated input voltage is...