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The voltage is a sine wave signal of frequency 60Hz, and of amplitude 110Vrms. Draw this waveform showing period and amplitude.
1. You are measuring this waveform using a device that samples every 0.001s. Show the sampled waveform.
2. Show how the sampled waveform changes if the sampling period changes to 0.01s, 0.1s, and 1s.
3. You are measuring heart beats of a person. This person's heart rate is 100 beats per minute. Draw five heartbeats showing the period between two consecutive beats.
4. Your measurement device samples data every 0.1 minute. What is the heart rate you will measure?
5. How will your measurement change if the sampler period goes down to 0.01 minute?
6. How will your measurement change if the sampler period goes up to 1 minute?
Three towns A, B & C are situated at the corners of an equivalent triangle of side 30 km. It is proposed to supply power to extent of 30 MW, 10 MW, 20 MW to A, B & C respectively from one substation. Where should substation be located to minimize ..
what would the relative sensitivity of the IR detector be if you use FREQOUT to send a 35 kHz harmonic? What is the relative sensitivity with a 36 kHz harmonic?
Why Can Discrete-Time FIR Digital Filters be a Linear Phase, Why can discrete-time FIR digital filters be made exactly linear phase, whereas IIR digital filters cannot?
A temperature sensor has a static transfer function of 0.15 mV/C° and a time constant of 3.3 s. If a step change of 22° to 50° C is applied at t=0, find the output voltage at 0.5 s from t=0s to t=10s. What is the indicated temperature at these tim..
Design of sync counter 0010 to 1101 using JK flip flops, Design a synchronous counter using J-K flip-flops that will count from 0010 to 1101 repetitively.
You have to figure out which one using cross or auto correlation.
An analog signal xa(t), band-limited to 5 Hz, is sampled at a rate of 10 samples per second to give a discrete-time signal x(n) = xa(0.1n). The discrete-time signal x(n) is then filtered with an digital FIR filter, h.
Interpreting frequency domain signal spectrum to time domain, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the voltage level of signals in volts vertically and frequency horizontally.
Apple A5 die size is 122mm^2 when fabricated in 45nm technology. Assume they purchase 300mm wafers at a foundry for $ 2.5K /wafer. Assume a yield of 70%. What is Apple's approximate die cost?
Power factor correction, Three parallel impedances in rectangular form as follows
What approximate minimum BER is required for voice signals, data signals and what is the approximate BER level for the optical fiber systems ?
What is the smallest number of samples that could be collected in order to know for sure whether or not the 1000Hz component is present? Assume you are using a Rectangular window.
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