Signals amd Systems 12. A power signal x(t) with no signal power outside the frequency range- fe/100 < f < fe/100 is multiplied by a carrier cos(2ifct) to form a signal, y, (t).Then y, (t) is multiplied by cos(2Tfet) to form y, (t). Then y,(t) is filtered by anideal lowpass filter whose frequency response is H(f) = 6 rect(f/2fc) to form y f (t).What is the ratio of the signal power in yf (t) to the signal power in x(t) Py,IP;?

Answered: Image /qna-images/answer/3d8eee52-3fe6-45c3-bb9e-ad4a380c2e3a.jpg

12. A power signal x(t) with no signal power outside the frequency range - fe/100 < f < fe/100 is multiplied by a carrier cos(2ifct) to form a signal, y, (t). Then y, (t) is multiplied by cos(2Tf.t) to form y,(t). Then y, (t) is filtered by an ideal lowpass filter whose frequency response is H(f) = 6 rect(f/2fc) to form yf (t). What is the ratio of the signal power in yf (t) to the signal power in x(t) Py,IP;¿?

12. A power signal x(t) with no signal power outside the frequency range - fe/100 < f < fe/100 is multiplied by a carrier cos(2ifct) to form a signal, y, (t). Then y, (t) is multiplied by cos(2Tf.t) to form y,(t). Then y, (t) is filtered by an ideal lowpass filter whose frequency response is H(f) = 6 rect(f/2fc) to form yf (t). What is the ratio of the signal power in yf (t) to the signal power in x(t) Py,IP;¿?

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...

See similar textbooks

Similar questions

The impedance value of an RLC circuit is 30 N (as maximum value), during a resonance with 60 Hz. BW is 20 Hz for the resonance point. a) Draw the circuit and calculate the R, L, C values. b) If we supply a signal with 50 Hz to this circuit, what do you think about the characteristic behavior of the circuit?
2a A signal x (t ) =e that has a spectrum X (f ) = a² +(2xf ) ` a) Find the magnitude spectrum and the phase spectrum. Then sketch them. b) Is this signal band-limited? If not, find the 3-dB bandwidth of this signal.
Design and sketch the block diagram of the receiver that will recover signals, m, (t) and m(t) from the modulated signal c(t). Specify the type and the cutoff frequency for every filter you use in your design, give the specifications for any other component you might use. Write all design parametrs on the receiver.
1. a. For the multi-tone discrete time periodic signal [n]=sin(0.24лn) + cos(0.4лn) + 1 3 Find the fundamental frequencies (F₁ and F2) and periods (N₁ and N₂) of the sine and cosine functions individually. Use these to determine the fundamental period length (N) of the multi-tone signal. b. Using the alternate representation of the multi-tone signal x[n] given below, and the period length N you found in Part (a), determine the DTFS coefficients (Ck) for the signal. You do not need to write out any zero-valued C coefficients. jn 2π 3n 3n x[n] = e 2 e - e 2 e × 1 2π j(2) 5n 2' 1 + e 1 5n + 2 3 c. Calculate the complex values of each non-zero ck coefficient you found in Part (b) in the form C₁ = a + jb (you may round your answers to four decimal places).
For the following statements, identify which are True and which are False. If False, please explainin one or two sentences why the statement is False.a) Resonance in an RLC series circuit occurs when the driving frequency is equal to 5 times the natural frequencyof the circuit.b) The maximum power is delivered when the system is being driven at resonance.c) Damped spring-mass oscillators and RLC series circuits do not behave mathematically identically. At all. Period. Please clear explainations. Thnak you
1 Calculate BFM ad BPM for the modulation signal m(t) as shown in below for k-27x105 and ke-5x.consider bandwidth of m(t) B-15 KHz. m(t) 2x 10 N 20,000 -20,000- m(1) F
[10] Compute the DTFT of the following discrete time signal and also plot the amplitude and phase spectrum of x[n]. x[n] = a"u[n] – a""u[-n]
The circuit below; Find the transfer function (VO(s)/VI(s)). What kind of filter is the circuit? Please explain.Find the expression of the cutoff frequency of the filter.( need handwritten only ,otherwise downvote.)
Problem #1 Design a passive RC low-pass filter with a cutoff frequency of 500 Hz using a 220pF capacitor. a) What is the cutoff frequency in rad/s? b) What is the value of the resistor? c) Draw your circuit and label the components values and the location of the output voltage. d) What is the value of the transfer function at wc, 0.1wc and 10wc?
Show that the circuit behaves as a bandpass filter.(Hint—find the transfer function for this circuit and show that it has thesame form as the transfer function for a bandpass filter. 1. Find the center frequency, bandwidth and gain for this bandpassfilter.2. Find the cutoff frequencies and the quality factor for this bandpassfilter.
5. Shown is the Bode Diagram - amplitude ratio (dB) vs. frequency (Hz) and phase angle (degrees) vs. frequency (Hz) - for a linear first-order dynamic system. • For an input 45 Hz sine wave with 1-volt amplitude, what is the frequency, amplitude, and phase angle of the output sine wave? • What is the transfer function for this 1st- order system? • State two observations that tell you that the Bode Diagram represents a 1st -order dynamic system. Bode Diagram 20 10 10 -45 90 10 10 10 Frequency (Hz) (ap) apnuben (6ap) oseud
IX) Represent (-48)10 in a) Sign Magnitude form and b) Sign 2's Complement form.