Consider the diff-amp that was shown in Figure P11.63. The circuit and transistor parameters are
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Microelectronics: Circuit Analysis and Design
- In 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_forwardThe ac equivalent circuit for an amplifier is shown. Assume the capacitors have infinite value, RI =750Ω, RB =100 kΩ, RC =100 kΩ, and R3 =100 kΩ. Calculate the input resistance and output resistance for the amplifier if the BJT Q-point is (75 μA, 10 V). Assume βo =100 and VA =75 V.arrow_forwardEx. 1780. A closed-loop system has sustained oscillations (i.e. constant amplitude) with a period of 85 seconds when the gains are: proportional=96, integral=0, and derivative=0. Determine the ideal- PID gains Kp, Ki (minutes^-1), Kd (minutes) using the Ziegler-Nichols method. Also determine the standard-PID values which are commonly used in industry, such as LabVIEW: Kc, Ti (min), Td (min). ans:6arrow_forward
- Using 741 op amp, design a suitable circuit to generate Binary Phase Shift Keyiing(BFSK) modulator. Design should perform in such a way that the BFSK output should contain a frequency of f1=2kHz when message signal is low and f2 =4kHz when the message signal is high. Take the frequency of message signal as 200Hz. Draw the clear circuit diagram and calculate the values of resistors and capacitors used.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_forward(a) The signal voltage applied across the gatesource terminals of an MOS transistor is given by υgs = VM sin 5000πt, and VGS − VT N = 0.75 V.Calculate the total harmonic distortion in the drain current of the MOSFET based upon Eq. 13.70 if VM = 150 mV. (b) repeat for VM = 300 mV.(c) Repeat for VM = 75 mV.arrow_forward
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