Question No. 16 The equivalent capacitance of the input loop of the circuit shown is 1 kQ 2₁ Input loop 1 ΚΩ 1 kQ M 49i, 100 µF 100 μF
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- What voltage is boosted at the output of a multiplier.Choices: average, rms, peak, or instantaneous Which assumption is not used in the analysis of multipliers?Choices: a capacitor will not discharge, start with the cycle of the source that will forward bias the nearest diode, the output will always be multiplied, or a single diode is forward biased at a time A voltage multiplierChoices: multiplies the output voltage, has very high voltage and low current ,can employ inductors, or may not have equal numbers of diodes and capacitors A voltage regulator maintains constant voltage at the load regardless of variations atChoices: the input and output, the load, source, or in the environment Between a lower percent regulation and a higher one, which is better?Choices: lower or higherFor the given circuit for a 40 V (p-p) sinusoidal input vi, what is the value of vi at which the clipping begins? V=5V. NOTE: use * ideal diode 25 3 5 v -20 Clipping doesn't occurRi LL = oN200mA t. Vps %3D 19N25V (a) Ri (b) maximum electric power of zener diode (c) maximum electric power of Ri I zmin 0, 2 Izmin %3D
- 1- In a buck DC/DC converter: ton Va = 100 V, R = 80, D ==0.8, f == 20000 Hz, L = 200 μH, Find: a) average voltage and current of the load Vala. b) maximum and minimum current of inductor. c) Voltage ripple of the capacitor. d) the average input current. e) draw the figure of the inductor current. C1 = 40 Micro farad Q Vd - İd K C1 ww + VoFor the circuit shown in figure, the diode current is given by I = 1(eVT-1) where V, equal to 25 (mV], lo is 1 [µA] and Va is the voltage across the diode. Find the output voltage v, if the input voltage v is -1 [V]. Va 4 k. 100 k) Vi= -1 V o o Vo 0.1 [V] O 11 [V) 0.7 [V] O [V]For the given circuit for a 40 V (p-p) sinusoidal input vi, what is the value of vi at which the clipping begins? V=5V. NOTE: use ideal diode
- SIGNAL Mention the function or work of each component in the circuit? + Vcc Rc Rc Cc HH www R₁ Cin HH R₂ www. RE Cc HH CE www R₁ 30 www wwww RE CE OUTPUTR +Vcc -Vcc C Vout R R a. Quantify how the resistors and the capacitor influence the output voltage of the circuit, Vout. What are the upper and lower limits of Vc? b. Howlong does it take for the capacitor to be charged from minimum to maximum voltage and vice versa?R1 C1 600 1n V1 D1 {Vi} R2 Vo D 35k The input signal vi(t) = -7V for 0<=t<7us, and OV for 7us<=t<14us. For each of the first two 7us time segments above (0 to 7us and 7 to 14us). What is the state of the diode assuming it is ideal and the capacitor is initially uncharged? + +
- A clipper circuit based on diodes are simple way to modify waveform in mechatronics. Assume that the two diodes shown in the circuit below are ideal diodes. If the input voltage in the circuit is a 1 kHz sinusoid with peak amplitude of 8V, sketch the Va.. (t) 10 kO 8V 10 kO Vin Vin(t) D2 Vout(t) RL Ims D1 6V -8V 4V Page | 11. 1-5 K 30v a. what is tue T CTime constant) ? b. How long will it take for the capacutor TO rtach s0% op charge? C. What is tne voltage of capa citor apter 1 seconds? d. How many tíme constants will it take for the soltage to reach 23 v? C. Gweng that the capacitor is fully changed, how will it take por it to be 20% ? long 120v + BF what is the. T ? b. what is the voltage capacitor apter 10 sec? a. C. How many time constants will it take for Tue Vo Itage to reach 80 v.? d. Given that the capaator is Fully charged, how time constants will it be to reau many GOV!Determine the peak-to-peak ripple voltage in a brigde rectifier filter capacitor given that: Vp(rect) =10 , RL = 100 Ω, f = 500 Hz, C = 1000 μF: Select one: a. 0.25 V b. 0.10 V c. 0.20 V d. 0.35 V e. 0.15 V