From the circuit below, calculate the Ac quantity r'e: Vcc = 24 V R, = 36 k2 Rc = 1.8 kQ Cout B = 150 Cin R= 3.6 kn Vin = 25 mVpp R, = 3.3 k2 RE = 220 2 O 4.566ohms O 7.859 ohms O 220 ohms
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- For the circuit in the figurea) Determine the time constant.b) Write the mathematical expression for IL, VL and VR, after the switch is closed.c) Determine IL, VL for one, three and five time constants.d) Draw the waveforms of IL, VL and VR.What types of PWM is shown in the figure? * Modulating Waveform Carrier waveform A (b) 44444 F -V O Unipolar O Bipolar 000A resistor Ra is in series with a voltage source Va. Draw the circuit. Label the voltage across the combination as v and the current as i. Draw and label the volt–ampere characteristic (i versus v).
- In the circuit of the following figure, the input voltage Vs is 15 volts rms with a frequency of 60 Hz, R equals 150 Ohms and C equals 100,000 Pico Farads. The diodes are Germanium (Vd = 0.2 volts) and the Zener diode is 12 volts. a) The magnitude of the ripple voltage at Cb) The Magnitude of the Peak Inverse Voltage (PIV) for D1 and D2.What are the differences on using NI Multisim to the actual evaluation of circuits?A 20-V-rms 60-Hz ac source is in series with an ideal diode and a 100-Ω resistance. Determine the peak current and PIV for the diode.
- A single phase – half wave controlled rectifier with freewheeling diode is supplying a load consistingseries connected a resistor and an inductance from a 70.7V (RMS), 50Hz sinusoidal AC source.The firing delay of the thyristor is 90° and the load values are R=10Ω, L=0.1 H. Define the loadcurrent expression and draw the load current by calculating for first two periods. And calculate theaverage values of the load voltage and current.In the circuit shown below. Determine the following a. Vs (at the secondary) b. Vout (across RL) c. Vrip (ripple votage) d. VDC e. PIV (Peak Inverse Voltage) 10:1 Output 115 V mis 60 Hz RL 2.2 k) D, 50μF- All diodes are IN4001. Tund AlMannai EENG261 Page 5/11Consider the Zener diode circuit shown in Figure. The Zener Breakdown Voltage (Vz) is 5.6 V at Iz= 0.1mA. Zener resistance is r,= 10 0. What is Vo without load (RL= ∞) ? R= 0.5 kQ Vo Vps= 10 V
- c. If a 480 ?F capacitor is added to the output in the figure, calculate the following:i. Vripple.ii. Average voltage, Vdc.iii. Sketch a graph of the input and output voltage against time of the capacitor. (Built-in-potential of silicon = 0.7V)A Capacitor filter is used at the output across the load in order to minimize the ripple factor of the output voltage. The expressions of the average output voltage Vpc and the output AC component VAc are given below. If R = 1k2 and the single phase bridge rectifier supplied from a 120V - 50 Hz sinusoidal source, then the capacitor value that will maintain the amount of the output ripples to less than 4% would be equal to: VDC = Vm(4FRC – 1)/4ƒRC) VAC = Vm/(4/2ƒRC) Select one: O a. 63.39uF O b. 33.2uF O c. 93.39UF O d. 126.2uF TOSHIBAHi! Please help me answer this problem our topic here is about Diode in DC & AC Circuits. Please show your correct and complete solution. ASAP! THANK YOUUU!