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digital radio link has a bandwidth of 8 kHz and support a transmission of 87 kbps. According to Nyquist how many bits per symbol are required to modulate the signal? Remember to use an integer number of bits.
Two random variables have zero mean and variance of 16 and 36. Their correlation coefficient is 0.5. A). find the variance of the sum. B). find the variance of their difference C). Repeat (a) and (b) if the correlation coefficient is -0.5
The scale current Is is proportional to the junction area of a diode. A diode D1 with a rating of 3mA is connected in series with another Diode D2 with a junction area 27 times that of D1. 1) What will be the rating of the series combination
Design a decade counter (negative edge-triggered counter) using flip flop circuit that can be used to perform binary counting. Show the timing diagram for the input and four outputs of the decade counter.
If R2 = 2R1, R3 = 3R1 and the total power taken by the circuit is 480 watts. Calculate the power in each resistor
At the end, the wave totally reflects with a pi phase shift, and the reflected wave now interferes with the incident wave to yield a standing wave pattern over the line length.a) Determine the standing wave pattern for the voltage in the line.
Determine the battery voltage required to obtain a flux density of 1.2 T in the air gap. Use the magnetization curve.
The river estuary is tidal causing the surface level of the water to rise and fall. At certain times of day, reflections from the water surface cause deep fading of the received signal.
Binary data is transmitted at the rate of Rb bits/sec over a channel occupying a bandwidth B and the channel SNR=3 dB. If the data bit rate is increased to 2.65Rb and the bandwidth is increased to 1.75B i.
Using D-type flip-flops, design a synchronous Moore finite-state machine that monitors two inputs A and B, and asserts a scalar output if the number of 1s observed on the inputs is a multiple of 4.
What is the voltage output resolution of a 16-bit D/A converter with a 15 volt voltage source Also, what is the analog output voltage of the D/A converter if only the MSB is on
Find the associated answers for: total circuit impeadance (Zt), Current source (RMS), Vc (RMS) w/ power factor, Vr (RMS), all in complex form/ rectangular form. Remember each question has to be done three times, one for each frequency.
During four consecutive clock pulses, a sequence of four values of the x signal is applied. Derive a state table for the FSM that produces z = 1 when it detects that either the sequence 1001 or 0111 has been applied; otherwise, z = 0. After the fo..
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