(1) Sketch a block diagram for QPSK modulator. (2) With the input data 1 and 0...
(1) Sketch a block diagram for QPSK modulator.
(2) With the input data 1 and 0 shown in Table 1 below, evaluate
the output by completing the Table 2 below.
(3) Sketch the QPSK constellation diagram.
Table 1:
| Logic 1 = | 1V |
| Logic 0 = | -1V |
Table 2:
| 1 | Q | QPSK Output |
| 0 | 0 | |
| 0 | 1 | |
| 1 | 0 | |
| 1 | 1 | 1.414sin(ωct+45°) |
Homework Answers
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(1) Sketch a block diagram for QPSK modulator.
(2) With the input data 1 and 0...
TO 2, the signal m(t) 20 sinc ( 400't) is an input to a ring modulator...
TO 2, the signal m(t) 20 sinc ( 400't) is an input to a ring modulator with carrier frequency 10 fm where fm is the maximum frequency of m(t)} (a) Draw the block diagram of the used ring modulator and write down equation of the output signal of the modulator (b) Sketch spectrum of the modulated transmitted AM signal (c) Sketch the corresponding VSB AM spectrum with 25% of visitgal band relative to the other band.
TO 2, the signal...
The figure below shows the block diagram of a two-stage SSB modulator. The input signal /...
The figure below shows the block diagram of a two-stage SSB modulator. The input signal / consists of a voice signal occupying the frequency of 3.4 KHz. The oscillator frequencies are Si=100 KHz and 2-10 MHz (6) vo Product Modulator Product Modulator BPF Passes USB only BPF Passes USB only A, cos(2.781) A, cos( 21) Specify the sidebands of all the modulated signals appearing in this system. {, vo), 20). 0),
#2 The following figure shows the block diagram of an AM modulator. mx m()+c) Nonlinear )...
#2 The following figure shows the block diagram of an AM modulator. mx m()+c) Nonlinear ) y(0) s(0) filter device c)A, cos(2r 1,0) The nonlinear device has an input-output characteristic of the form y() a x(0)+b ) where a and b are constants. Assume that the message signal is m()-A, cos(2, and (a) Determine the signal y). (b) Determine the AM signal s). (c) What kind of the filter is required in the above figure? (d) What is the amplitude...
#2 The following figure shows the block diagram of an AM modulator. Nonlinear s(t) devicefilter The...
#2 The following figure shows the block diagram of an AM modulator. Nonlinear s(t) devicefilter The nonlinear device has an input-output characteristic of the form y0)-a x(0)+bx() where a and b are constants. Assume that the message signal is m)-A, cos(2rf.1) and (a) Determine the signal y). (b) Determine the AM signal s() (c) What kind of the filter is required in the above figure? (d) What is the amplitude sensitivity of this AM signal.
Sketch the block diagram of the air conditioner systems, identifying the input, output, the controller and...
Sketch the block diagram of the air conditioner systems, identifying the input, output, the controller and the plant. ?
hi can you help me solve this question?..thank you.. A Quadrature Phase Shift Keying (QPSK) modulator...
hi can you help me solve this question?..thank
you..
A Quadrature Phase Shift Keying (QPSK) modulator has a carrier frequency of (b) 10GHz is used to send data at a rate of 500Mbps over a satellite communication system. The satellite's transponder has a bandwidth of 300MHZ and the measured received signal-to-Gaussian-Noise (power) ratio at the receiving ground satellite is 30dB. If the satellite signal is equalized to have an equivalent raised cosine filter characteristic, determine the transponder's: roll-off factor )...
(14%) 6. Consider an FM modulator with output )-100 cos(2(1000)r+(0) The modulator operates with fa = 8 and has the input message signal The modulator is followed by a bandpass filter with a...
(14%) 6. Consider an FM modulator with output )-100 cos(2(1000)r+(0) The modulator operates with fa = 8 and has the input message signal The modulator is followed by a bandpass filter with a a bandwidth of 56HZ, as shown in the following figure. Determine the power ratio and the power at the fiter oput center frequency of 1000HZ and Bandpass filter PM Output Center 1000 Hz Bandwidth 56 Hz mt-5 cos 2(8)r modulator -1000 Hz (a) FM system 39.1 39.1365...
Please I want the solution of this exercise. Thanks. . (10 pts) The binary sequence 1100100010 is applied to a DPSK modulator. The carrier frequency is f 1/T a- Draw the block diagram of the DPSK modu...
Please I want the solution of this exercise.
Thanks.
. (10 pts) The binary sequence 1100100010 is applied to a DPSK modulator. The carrier frequency is f 1/T a- Draw the block diagram of the DPSK modulator. b- Sk etch the resulting waveform at the DPSK modulator output (reference bit = 1). SK demodulator of (Fig.2). Show that, in the output, in both c- The waveform (part b) is applied to the DP absence of noise, the original sequence is...
ANSWER ONLY QUESTION #3!!!!! 2) (10 points) A moore FSM has a single infinitely long binary string r as input and a single output. The output is a logic 1 if the input changes from 0 to 1 or 1 to 0...
ANSWER ONLY QUESTION #3!!!!!
2) (10 points) A moore FSM has a single infinitely long binary string r as input and a single output. The output is a logic 1 if the input changes from 0 to 1 or 1 to 0 For example, output is r-00101110 001110001 Design the FSM. Use full encoding. Construct a timing diagram for the input sequence shown above. Be sure and do an implication table check 3) (5 points) Show the schematic of a...
please draw a block diagram to implement the 1-4 with 4 bit demultiplexer and show the...
please draw a block diagram to implement the 1-4 with
4 bit demultiplexer and show the simulation is possible
3. Please draw a block diagram to implement the 1-4 with 4-bit demultiplexer. 4. Draw a top-level diagram and then do the simulation. Data input F[3..0] Show the data F on the HEXO seven segment display; Select input Sel[1..0); Show the Select input value on the HEX1 seven segment display; Note: The number should be equal to one value from 0,1,2,3...
TO 2, the signal m(t) 20 sinc ( 400't) is an input to a ring modulator with carrier frequency 10 fm where fm is the maximum frequency of m(t)} (a) Draw the block diagram of the used ring modulator and write down equation of the output signal of the modulator (b) Sketch spectrum of the modulated transmitted AM signal (c) Sketch the corresponding VSB AM spectrum with 25% of visitgal band relative to the other band.
TO 2, the signal...
The figure below shows the block diagram of a two-stage SSB modulator. The input signal / consists of a voice signal occupying the frequency of 3.4 KHz. The oscillator frequencies are Si=100 KHz and 2-10 MHz (6) vo Product Modulator Product Modulator BPF Passes USB only BPF Passes USB only A, cos(2.781) A, cos( 21) Specify the sidebands of all the modulated signals appearing in this system. {, vo), 20). 0),
#2 The following figure shows the block diagram of an AM modulator. mx m()+c) Nonlinear ) y(0) s(0) filter device c)A, cos(2r 1,0) The nonlinear device has an input-output characteristic of the form y() a x(0)+b ) where a and b are constants. Assume that the message signal is m()-A, cos(2, and (a) Determine the signal y). (b) Determine the AM signal s). (c) What kind of the filter is required in the above figure? (d) What is the amplitude...
#2 The following figure shows the block diagram of an AM modulator. Nonlinear s(t) devicefilter The nonlinear device has an input-output characteristic of the form y0)-a x(0)+bx() where a and b are constants. Assume that the message signal is m)-A, cos(2rf.1) and (a) Determine the signal y). (b) Determine the AM signal s() (c) What kind of the filter is required in the above figure? (d) What is the amplitude sensitivity of this AM signal.
hi can you help me solve this question?..thank
you..
A Quadrature Phase Shift Keying (QPSK) modulator has a carrier frequency of (b) 10GHz is used to send data at a rate of 500Mbps over a satellite communication system. The satellite's transponder has a bandwidth of 300MHZ and the measured received signal-to-Gaussian-Noise (power) ratio at the receiving ground satellite is 30dB. If the satellite signal is equalized to have an equivalent raised cosine filter characteristic, determine the transponder's: roll-off factor )...
(14%) 6. Consider an FM modulator with output )-100 cos(2(1000)r+(0) The modulator operates with fa = 8 and has the input message signal The modulator is followed by a bandpass filter with a a bandwidth of 56HZ, as shown in the following figure. Determine the power ratio and the power at the fiter oput center frequency of 1000HZ and Bandpass filter PM Output Center 1000 Hz Bandwidth 56 Hz mt-5 cos 2(8)r modulator -1000 Hz (a) FM system 39.1 39.1365...
Please I want the solution of this exercise.
Thanks.
. (10 pts) The binary sequence 1100100010 is applied to a DPSK modulator. The carrier frequency is f 1/T a- Draw the block diagram of the DPSK modulator. b- Sk etch the resulting waveform at the DPSK modulator output (reference bit = 1). SK demodulator of (Fig.2). Show that, in the output, in both c- The waveform (part b) is applied to the DP absence of noise, the original sequence is...
ANSWER ONLY QUESTION #3!!!!!
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please draw a block diagram to implement the 1-4 with
4 bit demultiplexer and show the simulation is possible
3. Please draw a block diagram to implement the 1-4 with 4-bit demultiplexer. 4. Draw a top-level diagram and then do the simulation. Data input F[3..0] Show the data F on the HEXO seven segment display; Select input Sel[1..0); Show the Select input value on the HEX1 seven segment display; Note: The number should be equal to one value from 0,1,2,3...
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