QUESTION 24 Voltage gain of 60 dB is a voltage gain of (non-logrithmic) is: A. None...
Question 1 Design a lowpass filter, with cutoff frequency wc. The maximum gain of the fitler should be A dB, and the filter gain at angular frequency ws should be no more than As dB. Use as few circuit elements as possible. wc 1552(rad/s) A 22,48 (dB) ws 3776 (rad/s) As -17,98 (dB)
Show all your work for each problem. 1. Given the following DSP system with a sampling rate 8000 Hz, y(0.5x(n)-0.5x(n -1) where y(n) is the output and x(n) is the input a) Find its transfer function, b) Make a pole-zero plot and determine the stability. c) Obtain He) and then He) d) Compute the filter gain at the frequency of 0 Hz, 1000 Hz, 2000 Hz, 3000Hz, 4000 Hz, respectively e Make a magnitude frequency response plot. f) Determine the...
1. If the voltage gain is 2000, the decibel voltage gain is a. 40 dB c. 66 dB b. 46 dB d. 86 dB 2. The input power to a device is 10.000 W. The output power is 500 W. The power gain (GdB) in decibels is a. -13 dB b. -26 dB c. 56 dB d. 18 dB 3. Which of the following is an advantage of using dB representations of gain values? (a) Positive and negative dB values...
Question 1: a) For any linear phase filter, prove that if zo is a zero, then so must zobe. Hint: Using the properties of the z-transform, write h[n] = Eh[N - n) in the z-domain, and substitute 2 = 20. b) For any Type III or Type IV filter, prove that z = 1 is a zero. c) For any Type II filter, prove that z = -1 is a zero. d) In light of the above, find the zeros...
Problem Consider a voltage amplifier having a frequency response of the low-pass STC 1ype with a de gain of 60 dB and a 3-dB frequency of 1000 Hz Find the gain in dB at f- 10 Hz, 10kHz, 100 kHz, and 1 MHz Problem For the circuit shown below first, evalusteand the coresponding comer froquency. Second evalmt and the corresponding comer froquency. At the end caloulate overall transfer function T(w)= and reurite it in the standard fom ( and draw...
2.7.5 The impulse response of a continuous-time LTI system is given by h(t) = f(t) - et u(t). (a) What is the frequency response H (w) of this system? (b) Find and sketch H(w). (c) Is this a lowpass, bandpass, or highpass filter, or none of those? 2.7.6 The impulse response of a continuous-time LTI system is given by h(t) = S(t – 2). (This is a delay of 2.) (a) What is the frequency response H (w) of this...
QUESTION 11 When measuring current, the ammeter must be connected: O A. Could be either way B. In series with the component OC. None of the choices are correct OD. Could be connected either way only if you have a digital multimeter OE. In parallel with the component QUESTION 12 Power gain of 1000000 is: A. None of the other choices are correct B. 60 dB C. 20 dB D.30 dB E. 1000 dB
Low frequency DC gain is db 0 10 O 100 none of these Question 2 Low frequency DC phase lag is __ degrees OO O-90 O-180 O -270 O-360 none of these Question 3 Asymptotic magnitude slope at 5 rad/sec is __db/decade O 0 -20 O-40 O -60 O -80 - 100 none of these Question 4 Asymptotic magnitude slope at 50 rad/sec is _ db/decade -20 -40 -60 -80 O - 100 none of these
Consider the following transfer function of a bandpass filter: 20 1,500 T(S) = 2 1,500 + 1)(30.000 +1) a) Draw the Bode plot (magnitude and phase) of T(s). Label the slopes (dB/decade) b) Name the filter type. c) Determine the resonant frequency o d) Determine the gain in dB at the resonant frequency e) Determine bandwidth B, and the quality factor of the filter. Magnitude (dB) Phase (Deg)
Consider a causal LTI system implemented as the RL circuit shown below. In this circuit, v(t) is the input voltage. The current i(t) is considered the system output. i(t) R L wwwm v(t) (a) Find the differential equation relating v(t) and i(t). (b) Determine the frequency response of this system (H(jw)). (c) Determine the output it) if v(t) = sin(t), R=10 and L=1. (d) Sketch Bode plot of H (jw) for R=10 and L=1. (e) Determine if the system is...