A periodic signal has a duty cycle of 25%. If the signal is LOW for 25.5 microseconds for each period, what is the time the signal is HIGH for each period?

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A periodic signal has a duty cycle of 25%. If the signal is LOW for 25.5

microseconds for each period, what is the time the signal is HIGH for each period?

 
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Assume an equivalent resistance

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Assume an equivalent resistance<span< h1=””>

style=”color:rgb(45,59,69);”> in two parallel branches of a circuit, one branch with one resistor and the other branch with three resistors. How does the branch current differ between these branches? Across each resistor in the branch with the multiple resistors? What advantages does a series-parallel offer over pure series and pure parallel circuits?

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Briefly describe the concept of spread spectrum technique and list three important benefits.

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a. Briefly describe the concept of spread spectrum technique and list three

important benefits.

b. Assume we wish to transmit a 64-kbps data stream using spread spectrum technique. Compute the bandwidth required for SNR = 0.1 and 0.01.

c. If the data stream is transmitted using a bandwidth of 64 kHz in an ordinary system (without spread spectrum), what is the SNR that could be tolerated without experiencing significant errors?

 
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What are the differences between mesh analyses using branch and loop currents.

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What are the differences between mesh analyses using branch and loop currents.

How about nodal analysis? What are the differences between mesh and nodal analyses? When is it most appropriate to use each?

 
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