9.49. The current mirror shown in Fig. 9.74 must deliver I1= 0.5 mA to a circuit with total power budget of 2 mW. A...
plz solve these two question. 9.5. Suppose the circuit of Fig. 9.41 is real- shown in Fig. 9.42, where Q3 plays the role of /1. Assuming VAi VA2 VA,n and VA3 VA. p, determine the output impedance of the circuit. Rout Rout Vcc Vcc Vb1 a1 Vb3 V1 a Q2 Q Figure 9,42 Figure 9.41 HO 9.49. The current mirror shown in Fig. 9.74 must deliver 1 0.5 mA to a circuit with a total power budget of 2 mW....
9.47. Design the cascode amplifier shown in Fig. 9.72 for a power budget of 2 mW Select Vh1 and Vi2 such that Q1 and Q4 sus- tain a base-collector forward bias of 200 mV. What voltage gain is achieved? Vcc 2.5 V J Vb3 Q4 Q3 o Vout Vb1 Q2 Q1 Figure 9.72 9.47. Design the cascode amplifier shown in Fig. 9.72 for a power budget of 2 mW Select Vh1 and Vi2 such that Q1 and Q4 sus- tain...
These questions refer to the BJT current mirror shown below with Iref = 100 UA (“u” = micro). All transistors have the same ß (beta) and VA given in questions. All output branches go to some load (dashed lines) and then to Vcc = 5 V. The area of each transistor is indicated in the figure: Qı has area “A”, Q2 has area 2A, etc. 5V Iref Io2 Io3 104 R Q2 Q3 Q4 Q1 А 2A 4A 6A Assuming...
) The current-mirror circuit shown in Figure 3 utilizes pnp transistors having Isl 10-5A and/s2-2x10-5A for transistors Q1 and Q2 respectively and for both transistors a β 50, and |Val 10 V to source a current at Vo.It is required to design the circuit to provide an output current oflo= 1 mA at Vo = 2 V. What values of REF and R are needed? 0i 02 /REF lo ) The current-mirror circuit shown in Figure 3 utilizes pnp transistors...
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...