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The factorial n! of a positive number (integer) is defined by: n! = n(n-1)(n-2)...3*2*1, where 0! = 1. Write a user difned fuction that calculates the factorial n! of a number. For the function name and arguments use y = fact(x), where the input argument y is the value x!. The function display an error message if a negative or a non-integer number is entered when the function is call.
A 460-V, four-pole, 75-hp, 60-Hz, Y connected, three phase induction motor develops its full load induced torque at 1.2 percent slip when operating at 60 Hz and 460 V. The per phase circuit model impedances of the motor are
You must design a three axis position indicator for the latest robot arm. Using no more than two operational amplifiers, design a circuit that uses three inputs, v1, v2, and v3 to produce an output signal vo=3 v1-2 v2-5 v3.
Why can't a video signal such as an NTSC analog television signal be transmitted over a two km length of loaded twisted pair cable with a frequency range 300 Hz to 3,400 Hz? What is the bandwidth occupied by an NTSC video signal?
What is the bandwidth required so that the modulated signal contains atheist 90% of the power of the unmodulated carrier. A carrier signal c(t) = 10 cos(2pifct) is modulated using a message signal m(t) cos(20pit). The modulation is FM, with kf = 50.
List the characteristics of an ideal op-amp. An amplifier has cutoff frequencies fc1 =1.2 kHz and fc2 = 16.4 kHz. Calculate the Bandwidth. List the names of the active filters by their voltagegain(dB) vs frequency graphs.
When a sinusoidal signal is used to frequency modulate a VHF carrier, the required bandwidth is 200 kHz. It is desired to retain the same modulation index while reducing the necessary bandwidth to 100 kHz.
Determine the minimum signal to noise ratio (s/n) in dB required in each communication channel to achieve a data rate of 270 kbps?
Calculate: Critical frequency for the input low pass network, and the output low pass network, estimate the values for Cbe, Cjc, Cbc, and Cje. Concider the resistance of the signal sourceRs to be equal to the 1 ohm resister in series with the source.
The building has 49 stories and there are up to 600 devices on each floor. To alleviate traffic on the fiber backbone, you want each floor to be its own subnet. Just list the first three and last two valid network ID's & address ranges
(a) Identify the problem with this data. (b) How would the transmitter fix the problem. (Write down the sequence as it would be transmitted.) (c) What would the receiver do to the received bit sequence
The generator is delivering 48 MW to the bus bar at the rated voltage with its field current adjusted for a generated emf of 46 kV per phase. Determine the armature current and the power factor. State whether power factor is lagging or leading
Design a circuit that lets exactly one full negative pulse (from an input train of pulses) pass through to the output, after a button is pushed.
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