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cic e characteristics: 1,-10 mA at V, = 9V and incremental resistance rd-220 Find the output...
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 10 mA. The zener has an incremental resistance r, = 30 Q and a knee current of 0.5 mA. The regulator operates from a 10-V supply and delivers a nominal current of 5 mA to the load. What is the value of R you have chosen? What is the regulator output voltage when the supply is 10% high? Is 10% low? What is the output voltage when both...
5000 10.2 S pts) The Zener diode in the circuit on the right voltage V 20 = 8.5V., and Zener resistancerz the circuit on the right has a Zener d) Find the Thevenin equivalent circuit as seen by lo b) Find the output voltage if a loa Find the output voltage if a load R, is connected and it draws a 1.5 mA current. Determine the value of RL c) How small can the load R, be, while ensuring that...
Design a 7.5-V zener regulator circuit using a 7.5-V zener specified at 10 mA. The zener has an incremental resistance rz = 30 Ω and a knee current of 0.5 mA. The regulator operates from a 10-V supply and delivers a nominal current of 5 mA to the load. What is the value of R you have chosen? What is the regulator output voltage when the supply is 10% high? Is 10% low? What is the output voltage when both...
D 6.112 The MOSFET in the circuit of Fig. P6.112 has = 5 mA/V, and V, = 40 V. (a) Find the values of Rs,RD, and RG so that ID=0.4 mA, the largest possible value for R is used while a maximum signal swing at the drain of +0.8 V is possible, and the input resistance at the gate is 10 MS2. Neglect the Early effect. (b) Find the values of gm and r, at the bias point. (c) If...
4. The MOSFET in the circuit given below has Vi- 1 V, kn 0.8 mA/V2, and VA 40 V a) Find the values of Rs, Ro, and Ro so that Io -0.1 mA, the largest possible value for RD is used while a maximum signal swing at the drain of tl V is possible, and the input resistance at the gate is 10 MS2. b) Find the values of gm and ro at the bias point c) If terminal Z...
50012 V R 2. (15 points) The Zener diode in the circuit has a voltage Vzo = 8V. When the diode current is 10mA, the voltage across it is V = 8.25 V. The supply voltage is: Vpc = 15 V a) Find the small resistance rz of the diode. b) Replace the diode by its model, and find the Thevenin equivalent circuit to the left of the load RL c) Find the voltage V, across the load for two...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
Electronic Devices and Circuits ENGI27907 01 Q2. For the circuit shown in Figure 2, Vi=15V, R-2000, the zener diode is 1N4741A with the characteristics obtained from data sheets given below: a Find the minimum value for the rheostat resistance R., for which the zener diode will still maintain regulated voltage Vin across the load R. b. Discuss the current pass through the zener diode and the voltage across it, if the rheostat is turned to 1200 c. If the no-load...
9) What is the minimum output voltage for this clamping circuit? +10 h -10 U 1.0V I Ş A) - 11 V B)-1V C) +21 V D) +1 V 10) 10) What are the minimum and maximum values of current flowing in the variable load resistor while the diode is operating in the Zener region? The zener voltage is 10 V. 1000 OW Vin= 50V Load A) & mA and 35 mA B) Need to know the load resistance to...
D1, D2, D3 and D4 are identical diodes and the threshold voltages VD 0.65 V. The reverse polarity voltage (VZ) between the ends when the reverse polarizing current of the Zener diode is at least 10 mA (ID5) is 8.2 V. The threshold voltage of the Zener diode is VDZ-0.65 V. Draw the change of the output voltage (VO) for the input voltage between-20V <Vi <20V, (R-1kQ) Ds Ds D2 D1, D2, D3 and D4 are identical diodes and the...