Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
7th Edition
ISBN: 9780199339136
Author: Adel S. Sedra, Kenneth C. Smith
Publisher: Oxford University Press
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Chapter 1, Problem 1.77P
To determine
Sketch the bode plot for
The value of bandwidth of an amplifier.
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A communication channel has a bandwidth of 13 KHz. Its channel capacity is 91 Kbps. Find the Signal-to-Noise Ratio. Now, keeping the channel capacity same, if the bandwidth is increased by 2 times , find the new Signal-to-Noise (S/N) ratio and in dB.
A power spectral density has a completely flat shape over the bandwidth of the system, which is 0 to 4kHz. Find the proportion of the signal’s power that that lies in the region that is in EXCESS of 3.4 kHz.
In the circuit shown in the figure, Vcc = 12 V, Vin = 10 mV, β = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 0.5 kΩ and RL = 42.1 kΩ . Accordingly, find the voltage gain (Vout/Vin) of the circuit.NOTE-1: The output impedance of the transistor r0 will be taken into account in the calculations.NOTE-2: Capacitors are negligible at midband frequency.
Chapter 1 Solutions
Microelectronic Circuits (The Oxford Series in Electrical and Computer Engineering) 7th edition
Ch. 1.1 - Prob. 1.1ECh. 1.1 - Prob. 1.2ECh. 1.1 - Prob. 1.3ECh. 1.1 - Prob. 1.4ECh. 1.2 - Prob. 1.5ECh. 1.2 - Prob. 1.6ECh. 1.2 - Prob. 1.7ECh. 1.2 - Prob. 1.8ECh. 1.3 - Prob. 1.9ECh. 1.4 - Prob. 1.10E
Ch. 1.4 - Prob. 1.11ECh. 1.5 - Prob. 1.12ECh. 1.5 - Prob. 1.13ECh. 1.5 - Prob. 1.14ECh. 1.5 - Prob. 1.15ECh. 1.5 - Prob. 1.16ECh. 1.5 - Prob. 1.17ECh. 1.5 - Prob. 1.18ECh. 1.5 - Prob. 1.19ECh. 1.5 - Prob. 1.20ECh. 1.5 - Prob. 1.21ECh. 1.6 - Prob. 1.22ECh. 1.6 - Prob. D1.23ECh. 1.6 - Prob. D1.24ECh. 1 - Prob. 1.1PCh. 1 - Prob. 1.2PCh. 1 - Prob. 1.3PCh. 1 - Prob. 1.4PCh. 1 - Prob. 1.5PCh. 1 - Prob. 1.6PCh. 1 - Prob. 1.7PCh. 1 - Prob. D1.8PCh. 1 - Prob. D1.9PCh. 1 - Prob. 1.10PCh. 1 - Prob. D1.11PCh. 1 - Prob. D1.12PCh. 1 - Prob. D1.13PCh. 1 - Prob. 1.14PCh. 1 - Prob. 1.15PCh. 1 - Prob. 1.16PCh. 1 - Prob. 1.17PCh. 1 - Prob. 1.18PCh. 1 - Prob. 1.19PCh. 1 - Prob. 1.20PCh. 1 - Prob. 1.21PCh. 1 - Prob. 1.22PCh. 1 - Prob. 1.23PCh. 1 - Prob. 1.24PCh. 1 - Prob. 1.25PCh. 1 - Prob. 1.26PCh. 1 - Prob. 1.27PCh. 1 - Prob. 1.28PCh. 1 - Prob. 1.29PCh. 1 - Prob. 1.30PCh. 1 - Prob. 1.31PCh. 1 - Prob. 1.32PCh. 1 - Prob. 1.33PCh. 1 - Prob. 1.34PCh. 1 - Prob. 1.35PCh. 1 - Prob. 1.36PCh. 1 - Prob. 1.37PCh. 1 - Prob. 1.38PCh. 1 - Prob. 1.39PCh. 1 - Prob. 1.40PCh. 1 - Prob. 1.41PCh. 1 - Prob. 1.42PCh. 1 - Prob. 1.43PCh. 1 - Prob. 1.44PCh. 1 - Prob. 1.45PCh. 1 - Prob. 1.46PCh. 1 - Prob. 1.47PCh. 1 - Prob. 1.48PCh. 1 - Prob. D1.49PCh. 1 - Prob. D1.50PCh. 1 - Prob. D1.51PCh. 1 - Prob. D1.52PCh. 1 - Prob. 1.53PCh. 1 - Prob. 1.54PCh. 1 - Prob. 1.55PCh. 1 - Prob. 1.56PCh. 1 - Prob. D1.57PCh. 1 - Prob. 1.58PCh. 1 - Prob. D1.59PCh. 1 - Prob. D1.60PCh. 1 - Prob. D1.61PCh. 1 - Prob. D1.62PCh. 1 - Prob. 1.63PCh. 1 - Prob. 1.64PCh. 1 - Prob. 1.65PCh. 1 - Prob. 1.66PCh. 1 - Prob. 1.67PCh. 1 - Prob. 1.68PCh. 1 - Prob. 1.69PCh. 1 - Prob. D1.70PCh. 1 - Prob. 1.71PCh. 1 - Prob. 1.72PCh. 1 - Prob. 1.73PCh. 1 - Prob. 1.74PCh. 1 - Prob. D1.75PCh. 1 - Prob. D1.76PCh. 1 - Prob. 1.77PCh. 1 - Prob. 1.78PCh. 1 - Prob. D1.79PCh. 1 - Prob. 1.80PCh. 1 - Prob. 1.81P
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- (a) Write an expression for the transfer function of alow-pass voltage amplifier with a gain of 26 dB andfH = 5 MHz. (b) Repeat if the amplifier exhibits aphase shift of 180◦ at f = 0.arrow_forwarda. A communication network has a bandwidth of 10 kHz. Calculate the signal-to-noise ratio in dB if the capacity of the channel for a 100Kbps b. A communications channel with a bandwidth of 4kHz has a signal power to noise ratio of 7. Determine the Channel Capacity. c. The bandwidth in b above is reduced by 25%. How much should the signal power be increased to maintain the same channel capacity?arrow_forwardIn the circuit shown in the figure, Vcc = 12 V, Vin = 10 mV, β = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 0.5 kΩ and RL = 7.1 kΩ . Accordingly, find the voltage gain (Vout/Vin) of the circuit. NOTE-1: The output impedance of the transistor r0 will be taken into account in the calculations.NOTE-2: Capacitors are negligible at midband frequency.arrow_forward
- (a) Find the bandwidth of the current mirror as shown if I1 = 100μA, CGD = 1pF, and λ = 0.02 V−1. (b) If I1 = 25 μA.arrow_forwardSketch the Bode Plot of the following Question without using the semi- logi paper, so that one Question for each group.arrow_forwardDetermine the voltage transfer function H(jω) corresponding to the Bode magnitude plot shown.arrow_forward
- For an amplifier operating at a temperature of 23 degrees C with a bandwidth of 20 MHz, what is the total noise power in dBm?arrow_forwardIn the circuit given in the figure, β = 100, r0 = 40 kΩ, RB = 360 kΩ, RC = 3.3 kΩ, RE = 220 Ω, Rs = 0.5 kΩ and RL = 53 kΩ. Accordingly, find the voltage gain (Vout/Vin) of the circuit.NOTE-1: The output impedance of the transistor r0 will be taken into account in the calculations.NOTE-2: Capacitors are negligible at midband frequency.NOTE-3: The applied ac voltage has an amplitude of 10 mV and a frequency of 1 kHz.arrow_forwardcalculate both quality factor Q and resonance frequency if it existsarrow_forward
- A product detector has a 27-MHz carrier and is used to pass audio frequencies from 200 Hz to 15KHz range. what is the approximate center of the filter needed to pass the lower sideband is used? Show the solution.arrow_forwardA series resonance network consisting of a resistor of 30Ω, a capacitor of 2uF, and an inductor of 20mH is connected across a sinusoidal supply voltage which has a constant output of 9 volts at all frequencies. Calculate, the resonant frequency, the current at resonance, the voltage across the inductor and capacitor at resonance, the quality factor, and the bandwidth of the circuit. Also, sketch the corresponding current waveform for all frequencies.arrow_forwardAnswer ASAP, thank you. I'll upvote if correct. A common emitter amplifier, with the circuit shown in the image, is designed to have a Bode magnitude and phase frequency response as shown by the graphs. The BJT has the following parameters: β = 100, VA → ∞, Cπ = 500fF, and Cμ = 10fF. Use VT = 26mV, RC = 10kΩ and note that the capacitor CX is an external capacitor used to achieve the desired frequency response. For the circuit shown, use β = 200, RB = 1kΩ, RC = 2kΩ, RE = 4kΩ, VBE,on = 0.7V, VCE,sat = 0.2V, VCC = 10V, VEE = -10V. Write the generalized form of the amplifier’s transfer function, A(ω) = (Vout/Vin)(ω).arrow_forward
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Why Use Bode Plots? | Understanding Bode Plots, Part 1; Author: MATLAB;https://www.youtube.com/watch?v=F6-EaZobHNk;License: Standard Youtube License