The zener diode shown in the circuit below is being used for voltage regulation. Determine the percentage line regulation. Assume that R = 742.5 N, V,,= 10.9 V @ I,,= 35 mA, I, = 0.5 mA, I= 53 mA, and R,= 12 2. ZT 'ZK 'ZM Voltmeter to measure Vz Vs Component_1
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- For the circuit shown below, compute the maximum current through each resistor when terminal A is a) positive and, b) negative. Assume the diodes are ideal. (Will we convert to the RMS value to it's actual value?)consider the figure below that shows an approximated reverse recovery turn-off characteristics for a power diode. Show that the following relation can express the total reverse recovery charge, Qrr = 1/2(trr*ts1) di1/dt =1/2(trr*ts21) di2/dt * ip Isl 1s2! -IrConsider the circuit with three diodes and a AC input, as shown below: D2 R1 D1 D3 R2 Assume that the input AC voltage is Ttsin(100TTT). You may consider the diodes to be ideal. mean voltage generated across resistor R2 is (assuming current direction to be from AC so into R1, through diode network, and through R2 from top to bottom): O a. 0.5V Ob. -0.5V O c. 1V O d. OV
- Refer to the circuit. Consider ideal model (V_D=0) of diode circuits. Given V_i =100 Volts peak-to-peak sinusoidal input (+50, -50 Voltage peaks). Determine the peak output voltage during the diode non-conduction cycle.An ac voltage of peak value 20v is connected in series with a silicon diode and load resistance of 5002 .if the forward resistance of diode is 102 find: i- Peak current through diode. ii- Peak output voltage. iii- What will be these values if the diode is assumed to be ideal (Vdiode =0)?Suppose we have a 10-V-peak sinusoidal voltage source. Draw the diagram of a circuit that clips off the part of the sinusoid above 5 V and below -4 V. The circuit should be composed of ideal diodes, dc voltage sources, and other components as needed. Be sure to label the terminals across which the clipped output waveform vo(t) appears.
- Draw the input waveform and output waveform for the circuit given below with proper values marked in the figure. Assume D1 as germanium and D2 as silicon diodes. Input Vpp%3D20V, V1=3 V and V2=10 V. R D2 D1 Vin Vout V1 V2 Maximum voltage of output waveform Minimum voltage of output waveform Ps29. Does an increase in reverse bias for a Varactor diode cause an increase or decrease in capacitance? 30. If the load current through a SCR (Thyristor) reduces to almost zero, what will be the result?Consider the circuit shown in Figure 2. The cut-in voltage of each diode is . Let and assume both diodes are conducting. Determine if this is a valid assumption and explain your answer. And calculate the values of IR, ID, Ip2, and V.. Rj =1.7 kQ ww VB =1 V D1 Dz R2D 4 kQ Figure 2
- Two identical Schottky diodes are connected in series, one in the forward and the other in reverse direction, see figure. Assume the reverse saturation current, IS, of each diode to be known. Derive he current-voltage curve I(V) of this circuit. Plot it with the ratio I / IS on the y-axis and V / Vth on the x-axis. Make sure to cover a broad range of voltages, say, from –10 Vth to 10 Vth.In the circuit shown in the figure, diode voltages are given as 0.6V and rD = 100 ohms. When point B is open circuit AIf + 5V is applied to the point of application, drawing the shape of the circuit formed and calculating the currents passing through the resistors.calculate.Problem # 4 In the circuit shown below. Determine the following a. Vs (at the secondary) b. Vout (across RL) c. Vrip (ripple votage) d. VpC e. PIV (Peak Inverse Voltage) 10:1 Dy 1ISV ms Ouiput RL 2.2 k2 D, 50 pF All diodes are IN4001. alleee