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determine the transfer function of a 4th order lowpass butterworth filter with a 3-dB cutoff frequency of 3.4 kHz and passband gain=1. Design the circuit using MFB topology. Design two sections with
If an AM signal has an un-modulated carrier voltage Vc=A volts(pk) and a load resistance RL of B ohms. How to calculate the Pc (Carrier Power) If the modulation index is known as m, how to calculate
A certain sawtooth generator has the following parameter values: Vin: 3v, R: 4.7kohm, C:0.001uf. Determine its peak-to-peak output voltage if the period is 10 us. What is the Vpp
An office building is billed based on the rate structure given in Table 5.3 (Energy charges is $0.0732/KWh and demand charge is $9 / mo-kw. As a money saving strategy, during the 21 days per month t
A power company supplies 75 kW to an industrial load. The load draws 120 Arms from the transmission line. If the load voltage is 440 Vrms and the load power factor is 0.8 lagging, find the losses in
Using a 3-V power supply, design a version of the circuit of fig 6.62 from the book. to provide a dc emitter current of 0.5 mA and to allow a +-1-V signal swing at the collector. The BJT has a nomin
A current of 5A flows through a resistor connected in series with choke coil. It is supplied with 250 V , 50Hz supply . If potential difference across resistor is 125 and across choke coil is 200 vo
A differential equation of a system with x(t) as an input and y(t) as an output is defined as a.)Find the system response to unit step function, x(t)= u(t), where b.) Specify the Zero Input Resp
A 2N3904 has a power dissipation of 625mW without a heat sink. If the ambient temperature is 65 degree C, what happens to the power rating
The speed of data communication link is 16Kbits p/s. The voltageof each sample vary from 0 to 2V. The length between the digitized levels is 0.125 V. Find the number of samples that can be sent in 1
The controlled variable in a closed-loop system is the direction of a robot arm. Initially, it is at 50o; then it is commanded to go to 25o. What is the error when the arm position is at 15o
In a certain system, an electrical heating element was found to increase the temperature of a piece of metal 7o for each amp of current. The metal expands 0.004 in./deg and pushes on a load sensor t
The bandwidth of interest is between 0.5 and 50 Hz and has peak amplitude of approximately +/-1 mV. -a. Design and draw a block diagram (not circuit) of the signal conditioning portions (everyt
The bandwidth of a series resonant circuit is 400 Hz. (a) If the resonant frequency is 4000 Hz, find Q. (b) If R = 10 ohm, what is the value of XL at resonance
Signal transduction refers to any process of changing one signal to signal of another type. An example would be a series of pulsing lights into the sound for the word: "Help". Discuss how this trans
A series type Ohmmeter uses a 50 ohm, 1mA PMMC the internal battery voltage is 3V the desired scale marking for half scale deflection is 2000 ohm. Calculate:- - Value of R1 & R2
An AC Voltmeter uses a bridge rectifier and 100 ohm PMMC which requires a 1mA DC current for full-scale deflection. Assuming ideal diodes, calculate the value of the multiplier resistor to obtain fu
Given a sawtooth signal with fundamental frequency = 20 KHz as the input signal going into an ideal Highpass Filter with cutoff frequency fc = 60 KHz, what frequency components will be obtained at t
A 300 W resistor is connected across the 300 Wantenna input of a television receiver. The bandwidth of the receiver is 6 MHz, and the resistor is at room temperature (20oC). Find the noise power and
We have an amplifier with a 1 MHz bandwidth and a 20 mV input signal. The input noise = 1 mV, output signal 6.0 mV, and output noise = 1 mV. Find: (a) SNR at the input
Assume that a receiver has a first amplifier stage with a 5KW input resistance, a gain of 300, an input audio signal of 20 mV, and an operating temperature of 27oC. When the amplifier is operating w
A uniform plane electromagnetic wave propagates in a lossless dielectric medium. The electric field in the wave has the instantaneous expression E(z,t) = iy 3 sin(3pi.109t + 100piz 600), V/m. i)
The general expression for an idealized uniform plane water wave propagating in the +x direction is h(x,t) = Acos(wt - kx + phi) m where h represents the height of water particles at the water surface
A production plant needs a counter that will count 4,000 items before resetting and recycling. How many flip-flop stages would this counter require