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Synchronous time division multiplexingTwenty voice signals are to be multiplexed and transmitted over twisted pair. What is the bandwidth required (in bps) if synchronous time division multiplexing is used, along with the standard analog-to-digital sampling rate, and each sample is converted into an 8-bit value?
A filter has the following characteristics: Attenuation is 0 dB from 0 Hz to 2.5 kHz. Phase angle decreases linearly with increasing frequency above 2.5 kHz. Above 5 kHz the filter has steadily increasing attenuation.
Surface integral for jet engine. The air-gas exhaust velocity from a jet engine varies linearly from a maximum of 300 m/s at the center of the circular exhaust opening to zero at the edges. If the exhaust diameter is 1.6 m, find thq exhaust flow.
Assuming no feedback to the adversary until each attempt has been completed, what is the expected time to discover the correct password?
What is the peak frequency deviation of the FM signal? What is the FM improvement in dB?
Step-down transformer
The magnetic tape recorder uses linear analog to digital encoding. Telephone systems use non linear analog to digital conversion. Explain the difference.
What is the maximum symbol rate for this link and the number of bits per symbol? What format would you recommend for the transmitted current pulses on this baseband link?
A sinusoidal voltage with a peak-to-peak value of 15 v is applied to an RC high-pass filter. If the reactance at the input frquency is zero
Determine the voltage required on the input of the amplifier to give the maximum output of 85 dBuV. If the signal level from the aerial is 5 dBmV and the input noise level is 20 dBuV, calculate the signal-to-noise ratio on the output of the amplifi..
Murray Loop Test and Locating Faults, Q.1 (a) Using the Murray Loop test, determine the distance to an earth fault on one of the cores of a uniform three-core underground cable. Ra = 2 ohms, Rb = 1 ohm
To understand dierent signal models To be able to model a discrete-time system and design simple signal processing algorithms.
The schematic of the traffic light controller
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