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Question 7 (3 marks) For the cascade counter shown in Figure 1, the input is a periodic pulse waveform with a frequency of 240 kHz. Determine the frequency of the waveform at each point indicated...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz wit...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
QUESTION 7 The figure below shows an asymptotic Bode frequency fc 1 kHz, determine the frequency...
QUESTION 7 The figure below shows an asymptotic Bode frequency fc 1 kHz, determine the frequency (in kHz) at which the amplifier-filter circuit gain is equal to 7 dB. (Enter your answer as a number without the units.) 40 dR 20 dA 0 10 100 1k 10k 100Hz
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an in...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
Communication System Solve with ALL steps Please QUESTION 3 Briefly explain the following Analog Pulse Modulation...
Communication System
Solve with ALL steps Please
QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
Question 3 Determine the Exponential Fourier Series of the periodic signal shown in Figure 1 F(t)...
Question 3 Determine the Exponential Fourier Series of the periodic signal shown in Figure 1 F(t) 1 -2 1 2 Figure 1 (10 marks)
Wix Website Editor nts Question 1 of 7 This figure is 24 20 a 16 ok...
Wix Website Editor nts Question 1 of 7 This figure is 24 20 a 16 ok es ミ14 ents E 12 10 uizzes 125 250 375 500 625 750 875 1000 Support Frequency A. A spectrum depicting a complex periodic sound into B. A waveform depicting a complex periodic sound y 16-23 1-2) C. A waveform depicting a complex aperiodic sound D. A spectrum depicting a complex aperiodic sound E. Both A and B F. Both C and D k...
Question 2 Consider the natural sampling applied to a signal, x(t) = sinc"5 The signal is sampled (multiplied) by a periodic (rectangular) pulse train which is shown in Figure (b). Assume the...
Question 2 Consider the natural sampling applied to a signal, x(t) = sinc"5 The signal is sampled (multiplied) by a periodic (rectangular) pulse train which is shown in Figure (b). Assume the period, To-0.05s. πt as shown in Figure (a) Pr(t) x(t) XFO 057 Pt(t) 1 mark (a) Determine and sketch the spectrum of the signal x(t). Determine the bandwidth of x(t), B. 1 mark(b) Sketch the sampled signal, E(t) 2 marks () Derive and sketch the spectrum of the...
QUESTION 3 (14 marks) Variation in drag cylinder is shown in Figure 2 (a) At point coefficient (C...
QUESTION 3 (14 marks) Variation in drag cylinder is shown in Figure 2 (a) At point coefficient (CD) against Reynolds number (Re) for flow around a smooth a, point out whether drag is mainly contributed by pressure drag or friction (8 marks) drag, and explain the reason why (6 marks) (b) Explain the reason why there is a sudden drop in Co at point 400 200 100 40 20 10 60 N C, 6 Smoath cylinder 0.6 0.4 0.2 0.1...
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1 KHz as shown in Figure 4 by a pulse train of frequency 4 kHz with a pulse width of 0.025 ms. Draw the sampled waveform Message signal 3V 1 ms tms 3V-- (9 Marks) Figure 4
A Pulse Amplitude Modulated (PAM) signal is generated by naturally sampling a triangular wave of amplitude 3 volt peak and frequency 1...
QUESTION 7 The figure below shows an asymptotic Bode frequency fc 1 kHz, determine the frequency (in kHz) at which the amplifier-filter circuit gain is equal to 7 dB. (Enter your answer as a number without the units.) 40 dR 20 dA 0 10 100 1k 10k 100Hz
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
Communication System
Solve with ALL steps Please
QUESTION 3 Briefly explain the following Analog Pulse Modulation (APM): (i) Pulse Amplitude Modulation (PAM) Pulse Width Modulation (PWM) (iii) Pulse Position Modulation (PPM) (2 marks) (2 marks) (2 marks) b) There are several digital modulations techniques used to modulate digital signal. For a binary data 10111011, sketch the output waveform if the following modulator is used: Amplitude Shift Keying (ASK) (2 marks) Frequency Shift Keying(FSK) (2 marks) (iii) Phase Shift Keying (PSK)...
*5. Design a BJT transistor drive circuit like the one shown Figure 10-7 (Hart's text) with an initial peak base current, IB,-8 1B2, where 1B2 denotes the minimum base current required to drive the transistor to saturation. Assume a collector load resistance, Rc-8 Ω, collector supply voltage Vs = 30 V, large signal current of the transistor, hFE-min. 10, max. 20), VBE(on)-0.8 V, and the input is periodic pulse waveform (0 to 6) V, with a duty cycle, D-0.5. Also,...
Question 3 Determine the Exponential Fourier Series of the periodic signal shown in Figure 1 F(t) 1 -2 1 2 Figure 1 (10 marks)
Wix Website Editor nts Question 1 of 7 This figure is 24 20 a 16 ok es ミ14 ents E 12 10 uizzes 125 250 375 500 625 750 875 1000 Support Frequency A. A spectrum depicting a complex periodic sound into B. A waveform depicting a complex periodic sound y 16-23 1-2) C. A waveform depicting a complex aperiodic sound D. A spectrum depicting a complex aperiodic sound E. Both A and B F. Both C and D k...
Question 2 Consider the natural sampling applied to a signal, x(t) = sinc"5 The signal is sampled (multiplied) by a periodic (rectangular) pulse train which is shown in Figure (b). Assume the period, To-0.05s. πt as shown in Figure (a) Pr(t) x(t) XFO 057 Pt(t) 1 mark (a) Determine and sketch the spectrum of the signal x(t). Determine the bandwidth of x(t), B. 1 mark(b) Sketch the sampled signal, E(t) 2 marks () Derive and sketch the spectrum of the...
QUESTION 3 (14 marks) Variation in drag cylinder is shown in Figure 2 (a) At point coefficient (CD) against Reynolds number (Re) for flow around a smooth a, point out whether drag is mainly contributed by pressure drag or friction (8 marks) drag, and explain the reason why (6 marks) (b) Explain the reason why there is a sudden drop in Co at point 400 200 100 40 20 10 60 N C, 6 Smoath cylinder 0.6 0.4 0.2 0.1...
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