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A sinusoidal current is zero at t = - 625 s and increasing at a rate of 8000 A/s. The maximum amplitude of the current is 20 A. a) What is the frequency of i in radians per second
If the total power amplification through the receiver stages is G_R find the output power of the receiver. If the noise power at the output is identical to the noise power at the input of the re
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
Assume that the$% are signed 8-bit and stored in consecutive locations starting at$504020. Assume that A0 points to the s. Also, write the main program in 68000assembly language to perform all initial
A brick pathway of 4ft x 12ft has to be built. The standard brick size is 4 in x 6 in. How many bricks will you need to build it if the gaps between brick rows are neglected
For the circuit following parameters are given with Vcc = 18 volts DC: Rs = 0 ohm r pi = 1000 ohm Rb = 1750 ohms C1 = 10 microfarads gm = 50mS RL = 100 ohms Ce = 0.1 microfarads Re = 135 ohms C2 may b
1. Draw the frequency spectrum at the output of the first balanced modulator. 2. If the filter is a low pass filter, draw the frequency spectrum at the output of the filter and amplifi
For a transfer function with a pair of complex zeros located on the j (omega)-axis, what happens to the frequency response as the frequency applied to the system approaches the value at which the ze
1. An AM signal has an unmodulated carrier voltage VC = 10VP, a load resistance of RL = 10, and a modulation index of m = 1. 2. You are tuned to an AM station at 1200 KHz. Write down the frequency com
a dsp system is given with the following specifications: design requirements: sampling rate 20,000 Hz Maximum allowable gain variation from 0 to 4,000 Hz = 2dB 40dB rejection at the frequency of 16000
For the circuit of Figure the following parameters are given with Vcc = 18 volts DC: Rs = 0 ohm r pi = 1000 ohm Rb = 1750 ohms C1 = 10 microfarads gm = 50mS RL = 100 ohms Ce = 0.1 microfarads Re = 135
A manufacturing plant has a 600V, 60Hz supply and the following loads: Lights: 24kW Electric furnace: 4.8 + j6.4%u03A9 with a current of 150A Motor loads, 160kW at 0.8 Power Factor, lagging.
Using MATLAB, plot the pole zero map and the Bode plot of the two transfer functions and paste the graphs below. Identify and briefly discuss the differences between the Bode plot of the two transfe
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
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