A signal f(t) = sinc (200rt) is sampled (using uniformly spaced impulses) at a rate of(a) 150 Hz (b) 200 Hz (c) 300 Hz. For each of the three cases (i) sketch the spectrumof the sampled signal, (ii) explain if you can recover the signal f(t) from the sampledsignal, (iii) if the sampled signal is passed through an ideal lowpass filter of bandwidth100 Hz, sketch the spectrum of the output signal.%3D

Answered: A signal f(t) = sinc (200rt) is sampled…

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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(b) High-frequency ECG biopotentials analysis in the ST-T segment of a high-resolution ECG signal recording requires the analysis of signal components above 30 Ilz and below 800 Hz. Design a first order band pass passive filter to accommodate this specified frequency bandwidth. Sketch the circuit configuration. You may use an op- amp buffer stage in your circuit design.
Consider the following sampled signal x[n]. What is the cyclic frequency in the sampled signal if the signal was sampled with a sampling frequency of 40 Hz? x[n] = 1 + 2cos((pi/4)n +(pi/3))
A) Write the equation for the small-signal gain function Vout/Vinfor the followingop-amp circuit B) What kind of filter is this circuit? C)Write the equation for the cutoff frequency of the filter D) Sketch the Frequency Response of the system
Draw the spectrum of the sampled signal when the sampling rate is equal to 2.5 × 10* d) Draw the spectrum of the sampled signal when the sampling rate is equal to 1× 104 Draw the spectrum of the sampled signal at the Nyquist rte. An analog signal given by: x() = stn'(104) %3D is sampled using an ideal sampling tchnique. a) What is the Nyquist rate of this signal. Samplesec. the samplekse,
Generate a 2 KHz sinusoid with a Peak to Peak Voltage of 2V (+/- 1V), and generate a quantized signal when N=8 and N=16 levels. Calculate Signal to Quantization Noise Ratio (SQNR).
A system is described by transfer function H(s). The frequency response for such system is shown in Figure 1.2 (attached). Use the frequency response data to perform the following tasks: (i) Obtain the gain and phase margins. (ii) Design a lead compensator to increase the phase margin to at least 33°. (iii) Design a lag compensator to increase the phase margin to at least 43°.
c) Draw the spectrum of the sampled signal when the sampling rate is equal to 2.5 x 10* An analog signal given by: x(t) = sinc?(10*t) is sampled using an ideal sampling technique. a) What is the Nyquist rate of this signal. b) Draw the spectrum of the sampled signal at the Nyquist rate. ) Draw the spectrum of the sampled signal when the sampling rate is equal to 1x 10 sample/sec. sample/sec.
A central station is setup up for simultaneous monitoring of 10 hospital patients. The data from the 10 patients are brought to a processing center over wires and are sampled, quantized, binary-coded, and time-division-multiplexed. The multiplexed data are transmitted to the monitoring station as shown in the figure below. The bandwidth of the signal received from each patient is 200 Hz. The maximum acceptable error in sample amplitudes is 0.5% of the peak signal amplitude. The sampling rate must be at least twice the Nyquist rate. Determine the sampling rate, the number of levels, the number of bits per level and minimum cable bandwidth needed to transmit the data.
A central station is setup up for simultaneous monitoring of 10 hospital patients. The data from the 10 patients are brought to a processing center over wires and are sampled, quantized, binary-coded, and time-division-multiplexed. The multiplexed data are transmitted to the monitoring station as shown in the figure below. The bandwidth of the signal received from each patient is 200 Hz. The maximum acceptable error in sample amplitudes is 0.5% of the peak signal amplitude. The sampling rate must be at least twice the Nyquist rate. Determine the sampling rate, the number of levels, the number of bits per level and minimum cable bandwidth needed to transmit the data. Processing center Cable Receiver (14)
ASAP
An analog signal contains useful frequency component upto 100 hz what is nyquist rate for this signal? suppose we sample this signal at 250 samples/sec what is highest frequency component that can be reprensented uniquely at this sampling rate
a) Consider the system shown in Figure 3(a). An input signal vm(t) is multiplied by a complex exponential signal e10nt The output signal v,(t) is fed into a low pass filter (LPF) with cut-off frequency wc. The input signal Vm(@) and the output signal V.(@) are as shown in Figure 3(b) and (c), respectively. i. Write the mathematical equation for signal in Figure 3(b). ii. Sketch signal, V,(@). iii. Based on the given V, (w), write the mathematical expression of the LPF, H(@) and state its cut off frequency, wc. iv. Sketch the output of LPF, V(@), if the cut off frequency of LPF is 10. v:(t) LPF Vm(t) vo(t) H(@) ej10nt (а) |Vm (@)| IV,(@)| 10 8 6. 3 -20715T-10T-5n 5n 10n 15n 20n -57 (b) Figure 3

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