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16.36. (a) What are the output current and output resistance for the Widlar current source 102...
R, Figure P7.49 .50 Figure P7.50 shows a current source realized using a current mirror with two matched transistors Q, and o, . Two equal resistances R, are inserted in the source leads to increase the output resistance of the current source. If Q, is operating at gm 1 mA/V and has VA-= 10 V, and if the maximum allowed de voltage drop across R, is 0.3 V, what is the maximum avail- able output resistance of the current source?...
Requires 100% correct answer along with pspice 10.24 A transconductance amplifier with negative feedback is shown in Fig. P10.24. The amplifier has an open-loop P transconductance of A 50 x 103 A/V, an input resistance of R 25 k!2, and an output resistance of Ro-50 k2. The feedback circuit has RF 2.5 kS2. The source resistance is Rs 1 k, and the load resistance is RL-500 Ω. Determine (a) the input resistance Ri,-vs/is, (b) the output resistance Rof, and (c)...
A force sensor has as its output a change in resistance. The sensor forms one leg (Ri) of a basic Wheatstone bridge. The sensor resistance with no force load is 200 2, and its static sensitivity is 0.2 ОЛ. Each arm of the bridge is initially 200 Ri R2 0) 14 13 R3 1s o O V-10 V Determine the bridge output for applied loads of 100, 200, and 350N. The bridge is operated as a deflection bridge, with an...
Using Vtn=2V and kn= 0.150V/A, find R2, Vs2, and Vg2 which equals Vg1. 2.1.1 Design the circuit of Figure 2 to yield an output current of 0.1 mA. 2.1.2 Use an equation that relates lo to IREF to design the Widlar mirror circuit i.e. find the value of R2. Refer to the material presented in the class regarding MOSFET Widlar current mirror. 2.1.4 Calculate the output impedance of Figure 2. 2.1.5 Find the value of Va , Vs2 Vodi =...
a) Determine the total resistance, RT. (4 points) b) Find the source current Is. (2 points) c) Find voltages and currents for each resistor and fill in Table 1. (14 points) R2 R3 1.5k 1k R4 3.3k R 1 2k R7 4.7k 10V R5 8.2k R6 5.6k Figure 1 Table 1 VR4 IR4 R3 R3 IR1 R2 R2 R1 Table 1 Cont'd V R7 R7 R6 R6 V R5 R5
m2.3 Current and Voltage Dividers: Apply the concepts of voltage dividers, current dividers, and equivalent resistance to find the currents 1 to 13 and the voltages Vi to V3 in the circuit of Fig. m2.3. Use these component values: Vsrc = 12 V, R; = 1.0 k 2, R2 = 10 k 2, R3 = 1.5 k 2. R4 = 2.2 k2, Rs 4.7 k, and R = 3.3 k 2. X VR2 V SR4 SR Figure m2.3 Circuit for...
Please answer clearly Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a) Voltage gain (Vo/vi) b) Input resistance (R) c) Output resistance (Ro) d) Maximum output voltage swing so as the amplifier stays in saturation mode. Assume VDD-20 V, R1-2.5 ΚΩ, R2-1KQ, R3-0.5 ΚΩ, R4-5 MQ, R5_1ΜΩ. R4 R1 R5 R2 Ro R3 Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a)...
If V = 20 V and the battery has no internal resistance, what is the current through R3 in the figure? R, = 1012 R2 2012 R3 = 2012 R=30 2 0.20 A 1.0 A 4.0 A 0.050 A
What would be the expression for the closed-loop voltage gain A-Vo(t)/v(t) in figure 5 assuing it is an ideal op-am model? 1) 2) What would be the input resistiance of figure 5? 3) What would R, and R2 (from the list below) must be to obtain a voltage gain of A 2.5 1.2 kS2, 1.5 kS2 (2), 1.8 k2, 2.2 k2, 10 k2, 12 k2, 15 k2, 18 k2, 22 k2 +5 V Rs= 1.5 k(2 in(0 5 V VoltageSource...
63. Find the equivalent conductance G then the equivalent resistance R "seen" by the current source I, in the circuit of Figure P2.63 in terms of the literals R1, R, and g Evaluate when R 1 k2, R2 3 k2, gm= 0.2 mS. and eq eq R 1 9mVx V. + V R2 X Figure P2.63 CHECK: R 10 k2 eq