The AM signal supplies 150w of carrier power when it is modulated by a single sine wave to a depth of 70%. Suppose the total transmitted power increases by 10% when another sine wave simultaneously amplitude modulates the carrier. Determine the modulation
The AM signal supplies 150w of carrier power when it is modulated by a single sine wave to a depth of 70%. Suppose the total transmitted power increases by 10% when another sine wave simultaneously amplitude modulates the carrier. Determine the modulation index of the second index.
Homework Answers
Request Answer!
We need at least 10 more requests to produce the answer.
0 / 10 have requested this problem solution
The more requests, the faster the answer.
Add Answer to:
The AM signal supplies 150w of carrier power when it is modulated by a single sine wave to a depth of 70%. Suppose the total transmitted power increases by 10% when another sine wave simultaneously amplitude modulates the carrier. Determine the modulation
An AM receiver is tuned to broadcast station at 600 kHz. Calculate the image rejection in...
An AM receiver is tuned to broadcast station at 600 kHz. Calculate the image rejection in dB, assuming that the input filter consist of one tuned circuit with a Q of 40? An SSB system transmit a peak envelope power of 100 W into a 75 ohms load. The carrier signal is modulated by two tones, with frequencies 2 kHz and 3 kHz with equal magnitude and only the lower sideband is transmitted with a suppressed carrier. Determine the average...
An AM receiver is tuned to broadcast station at 600 kHz. Calculate the image rejection in dB, assuming that the input f...
An AM receiver is tuned to broadcast station at 600 kHz. Calculate the image rejection in dB, assuming that the input filter consist of one tuned circuit with a Q of 40? An SSB system transmit a peak envelope power of 100 W into a 75 ohms load. The carrier signal is modulated by two tones, with frequencies 2 kHz and 3 kHz with equal magnitude and only the lower sideband is transmitted with a suppressed carrier. Determine the average...
1 2 4. The amplitude modulation signal is given by the following expression and is applied...
1
2
4. The amplitude modulation signal is given by the following expression and is applied to 75 load. Vam(t) = 10 sin (21fct) - 2.5 cos (1500krt) + 2.5 cos (1450krt) V Determine: a) Modulation index b) The frequency of the carrier and the information signal c) The bandwidth d) The total power e) The transmission power efficiency be ar e 5. One of the inputs to a frequency modulator is a 250 kHz carrier signal with amplitude of...
Consider an AM system. The message signal is given by cos(1000t) volts. The modulated signal is (0.5+acos(1000m))cos(2π.) volts, where α is a positive coefficient, and fe is the carrier frequency. (a...
Consider an AM system. The message signal is given by cos(1000t) volts. The modulated signal is (0.5+acos(1000m))cos(2π.) volts, where α is a positive coefficient, and fe is the carrier frequency. (a) Determine the value of α when the modulation index is 100%. (b) Determine the value of α when the modulation index is 50%. (c) Determine the value of α when the modulation index is 200%. (6 marks) Continue from (1) and suppose α-05. Sketch the spectrum of the transmitted...
1
2
4. The amplitude modulation signal is given by the following expression and is applied to 75 load. Vam(t) = 10 sin (21fct) - 2.5 cos (1500krt) + 2.5 cos (1450krt) V Determine: a) Modulation index b) The frequency of the carrier and the information signal c) The bandwidth d) The total power e) The transmission power efficiency be ar e 5. One of the inputs to a frequency modulator is a 250 kHz carrier signal with amplitude of...
Consider an AM system. The message signal is given by cos(1000t) volts. The modulated signal is (0.5+acos(1000m))cos(2π.) volts, where α is a positive coefficient, and fe is the carrier frequency. (a) Determine the value of α when the modulation index is 100%. (b) Determine the value of α when the modulation index is 50%. (c) Determine the value of α when the modulation index is 200%. (6 marks) Continue from (1) and suppose α-05. Sketch the spectrum of the transmitted...
Most questions answered within 3 hours.
-
Why did the observed chemistry of thallium mislead Mendelev to
place the group 13 element (Tl)...
asked 1 hour ago -
A sine wave signal is displayed on the screen of an
oscilloscope. 6 peak-to-peak divisions are...
asked 3 hours ago -
a
1500 kg car accelerates from 0 to 25 m / s in 21.0s. How much...
asked 4 hours ago -
Calculate the molarity of each of the following solutions:
(a) 30.5 g of ethanol (C2H5OH) in...
asked 4 hours ago -
1 Refer to the build-borrow-or-buy framework as a decision tree
for the Adidas company. Identify a...
asked 5 hours ago -
Problem 2: The Problem of Social Cost. A Rancher and Farmer live
side-by-side to each other....
asked 6 hours ago -
a uniform bar of weight 40N is 4 meter long. weights
on 60N and 100N are...
asked 5 hours ago -
Define Diet counceling? What are the
responsibilities of a counselor?
asked 8 hours ago -
Hey im just confused about how to put the ' A angle n' and ' S...
asked 8 hours ago -
A short essay about the WSJ article on Oreo versus Hydrox.
asked 8 hours ago -
##8. A program contains the following function definition:
##def cube(num):
##return num * num * num...
asked 8 hours ago -
find the value z of a standard Normal variable that satisfies
each of the given conditions....
asked 8 hours ago