The parameters of the circuit shown in Figure 11.19 are
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Microelectronics: Circuit Analysis and Design
- Please answer correctly and as soon as possible. I'll give upvote. Thank you. In the common emitter amplifier given, R1=50Ω, R2=1kΩ and CL=1pF. Determine the quiescent collector current, ICQ, needed such that the unity gain frequency, fu, is equal to 2.4 GHz. Show the complete solution and state all assumptions. The BJT parameters are as follows: β→∞,VA→∞, and Cπ=50 femtofarad (fF). Ignore all other parasitic capacitances and use VT=26mV.arrow_forwardFor a non -inverting operational amplifier, Rf = 80 kΩ , Ri = 6 kΩ fT = 2.35 MHz, Determine the closed loop lower critical frequency fc(cl) in kHzarrow_forward3. (a) The overall Noise Figure (NF) of a 2 –stage cascaded receiver is given as 35dB.The gain of the first stage is 4dB and the Noise Figure of the first stage is 28 dB.Find the noise figure and the equivalent noise temperature of the second stage.Assume the reference temperature is 17oC. (b) In a multi stage cascaded receiver, which stage mostly determines the overall NoiseFigure? Explain why. note: the answer will be by hand written.arrow_forward
- What is the voltage gain of the common-emitter amplifier as shown? Assume βF = 135, VCC = VEE = 10 V, R1 = 20 kΩ, R2 = 62 kΩ,RC = 13 kΩ, and RE = 3.9 kΩ.arrow_forward4--In the given circuit, n MOSFETs are used.Q1, Q2,….. Parameters of Qn MOS transistors Vt=1V, γ=0, λ=0,μnCox=200μA/V2 and (W/L)1=(W/L)2=….=(W/L)n=20a) VGS=?, ID=?, gm=?b) Find the input and output impedance.c) Find the voltage gain.arrow_forwardThe outer surface of a transistor is cooled convectively by a fan-induced flow of air ata temperature of 25 °C and a pressure of 1 atm. The transistor’s outer surface area is 5x 10 -4 m 2 . At steady state, the electrical power to the transistor is 3 W. Negligible heattransfer occurs through the base of the transistor. The convective heat transfercoefficient is 100 W/m 2 K.Determinei. the rate of heat transferbetween the transistor and theair, in Wii. the temperature at thetransistor’s outer surface, in °C.arrow_forward
- One NPN transistor is used in the self biasing arrangement. The circuit components values are Vcc = 4.5V, Rc = 1.5K, RE = 0.27 KO, R2 = 2.7 KQ and R1 = 27K. If B=44. a. Find the stability factor b. Determine the Quiescent point Q (VCE, IC)arrow_forwardIn the circuit given in the figure, what is the voltage gain (Av) of the circuit when = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 15 kΩ and RL = 166 kΩ?NOTE-1: The output impedance r0 of the transistor will be taken into the calculations.NOTE-2: Capacitors are negligible at mid-band frequency.arrow_forwardAnswer ASAP. I'll upvote. Thank you. Given: The circuit shown is a common source amplifier with a current mirror bias. It is given that the NMOS (M1) parameters are μoCox = 3mA/V2, VTH,n = 0.5V and λ = 0.02 and the PMOS (M2 and M3) parameters are μoCox = 1mA/V2 and VTH,p = −0.6V . The PMOS transistor M3 does not have channel length modulation while PMOS transistor M2 has λ = 0.02. It is also given that the dimensions of M2 and M3 have equal widths of 5µm and lengths of L2 = 3µm and L3 = 1.5µm, respectively. M1 has length of L1 = 1µm and width of W1 = 2µm. Sketch the small signal model of transistor M3 (Hint: Is there any small signal in any terminal ofM3? If yes, then where is it? If no, then what happens to the small signal model?).arrow_forward
- If the circuit of problem 2 is configured as a common-emitter amplifier, calculate the resulting voltage and current gain. Assume a load resistor of 1k ohm. Circuit of problem 2: determine the operating point of a universal trasnsistor DC bias cirucit when Vcc=15V, R1=10k ohm, R2=2.2k ohm, Rc=680 ohm, Re=100 ohm. Assume beta (b)=200 and Vbe=0.72V.arrow_forwardWhat is the voltage gain (Av) of the circuit when = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 15 kΩ and RL = 379 kΩ? NOTE-1: The output impedance r0 of the transistor will be taken into account in the calculations. NOTE-2: Capacitors are negligible at mid-band frequency.arrow_forwardThe ac equivalent circuit for an amplifier is shown . Assume the capacitors have infinite value, RI = 10 kΩ, RB = 5 MΩ, RC = 1.5 MΩ, and R3 = 3.3 MΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (2 μA, 2 V). Assume βo = 40 and VA = 50 V.arrow_forward
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