For the FET amplifier of Fig. 1, using identical FET transistors as shown in the circuit,...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
Part I (30 points): Reference to Multi-stage Amplifier. FET Data (Cd 2pF, Cgs4pF, 1. For the multi-stage amplifier of the figure, calculate the polarization voltages and current collector of each stage. Also, calculate the voltage gain for each stage and the overall voltage gain (transfer function) for the multi-stage amplifier. Calculate Vout. Repeat the previous steps using a load resistance of 2.2k2, Calculate Vout. Calculate the input and output impedances and the cutoff frequencies (fi & fa) for the cascade...
For the differential amplifier shown in Figure 6: Assume
well-matched transistors and = 100 for all transistors:
a) Why it is important to use well-matched transistors in
differential amplifier circuits? What is the potential influence of
mismatched transistors on the performance of the differential
amplifier?
b) Determine the resistor values (R1, R2 and R3) such that the
emitter coupled current IE = 0.5 mA and VC1 = 3 V.
c) Draw the ac equivalent circuit for the single ended...
Q6. An amplifier circuit using an n-MOSFET is shown in Fig. Q6. The n-MOSFET has the following parameters: K'-1 mA/V2 and λ-0.02 w. v°' is a small signal AC voltage ource 8V 8V Vout Ra 2.56 mA Fig. Q6 (a) Calculate the DC gate voltage, Va. (b) Assuming that the n-MOSFET is operating in the saturation region and neglecting channel length modulation, calculate the threshold voltage, VrHN, given that the voltage drop across the de current sorce, Inas, has been...
Problem #5 (20 points) n the two stage cascade amplifier circuit shown below, the MOSFET has V IV and k-0s mA/ and the BIT has p 100 a) Perform the DC analysis of this circuit and based on the appropriate DC current values, calculate the small signal parameters for each transistor. b) Replace each transistor with its appropriate small signal model (neglecting ro) and draw the resulting smali- signal circuit for this amplifier circuit. HINT: You may use the T-model...
Consider the BJT circuit below with Qi and Q2 being identical transistors with Bac oc 50. Assume a Vcc of 10 volts. 10 kS2 21 R6 C. 22 k? 4.7 k? a) Do a DC analysis on the Qi circuit and solve all B, C and E terminal voltages and currents. Use the quick analysis method after checking if the loading of R4 and R6 is acceptable b) Do a DC analysis on the Q2 circuit and solve all B,...
Consider the BJT circuit below with Qi and Q2 being identical transistors with Bac oc 50. Assume a Vcc of 10 volts. 10 kS2 21 R6 C. 22 kΩ 4.7 kΩ a) Do a DC analysis on the Qi circuit and solve all B, C and E terminal voltages and currents. Use the quick analysis method after checking if the loading of R4 and R6 is acceptable b) Do a DC analysis on the Q2 circuit and solve all B,...
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...
need help for d,e,f
OP-Amp Circuit R-20k Fig 1 1. Design an operational amplifier circuit using an LM741 op-amp and a 10k the diagram shown in Fig 1 to produce the output voltage feedback resistor that represents Clearly write your ID number in Table 1 Table 1 Your ID Number 3775。73 . Set up the roquired gain numbers as follows and write them in Table 2 Ai- the last digit of your ID number+5 A2-the 2ed last digit of your...