An AM modulator has output x c (t) = 25 cos[2(150)t] + 5 cos[2(160)t] + 5 cos[2(140)t]
Question:
An AM modulator has output
xc(t) = 25 cos[2π(150)t] + 5 cos[2π(160)t] + 5 cos[2π(140)t]
Determine the modulation index and the efficiency.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 84% (13 reviews)
The modulator output x c t 25 cos 2150t 5 cos 2160t 5 c...View the full answer
Answered By
Keziah Thiga
I am a self motivated financial professional knowledgeable in; preparation of financial reports, reconciling and managing accounts, maintaining cash flows, budgets, among other financial reports. I possess strong analytical skills with high attention to detail and accuracy. I am able to act quickly and effectively when dealing with challenging situations. I have the ability to form positive relationships with colleagues and I believe that team work is great key to performance. I always deliver quality, detailed, original (0% plagirism), well-researched and critically analyzed papers.
4.90+
1504+ Reviews
2898+ Question Solved
Related Book For
Principles of Communications Systems, Modulation and Noise
ISBN: 978-8126556793
7th edition
Authors: Rodger E. Ziemer, William H. Tranter
Question Posted:
Students also viewed these Physics questions
-
An AM modulator has output x c (t) = 40 cos [20(200)t] + 5 cos[2(180)t] + 5 cos[2(220)t] Determine the modulation index and the efficiency.
-
Figure shown the circuit diagram of a balanced modulator, the input applied to the top AM modulator is m (t), where as that applied to the lower AM modulator is m (t); these two modulators have the...
-
The positive portion of the envelope of the output of an AM modulator is shown in Figure 3.33. The message signal is a waveform having zero DC value. Determine the modulation index, the carrier...
-
Do laws provide a complete guide to ethical behavior? Can an activity be legal but not ethical?
-
William McChesney Martin, who was Federal Reserve chairman from 1951 to 1970, was once quoted as saying, "The role of the Federal Reserve is to remove the punchbowl just as the party gets going."...
-
High values of the Reynolds number will more likely a. occur near the leading edge of an airfoil. b. indicate laminar flow. c. occur at lower airspeeds. d. show turbulent airflow.
-
Do larger butterflies live longer? The wingspan (in millimeters) and the lifespan in the adult state (in days) were measured for 22 species of butterfly. Following are the results. a. Compute the...
-
1. Is it unfair to exempt employees to deprive them of overtime wages? Why or why not? 2. J&J argued that Smith was exempt under either the administrative employee exemption or the outside...
-
Research Paper Outline Introduction 1)Non-Compete Agreements- define what is a non compete agreement, history, and why they were created 2) When are these agreements enforceable i.e. definition and...
-
1. Prepare a table-based ABC analysis of usage value. Classify as follows: A-items: top 20% of usage value B-items: next 30% of usage value C-items: remaining 50% of usage value 2. Calculate the...
-
An AM modulator is operating with an index of 0.8. The modulating signal is m(t) = 2 cos(2f m t) + cos(4f m t) + 2 cos(10f m t) (a) Sketch the spectrum of the modulator output showing the weights of...
-
An AM modulator has output x c (t) = A cos[2(200)t] + B cos[2(180)t] +B cos[2(220)t] The carrier power is P 0 and the efficiency is E ff . Derive an expression for E ff in terms of P 0 , A, and B....
-
"A faster-growing money supply leads to higher interest rates." Can this be?
-
If there is a surplus in the market for a product would this mean that the supply exceeds the demand for the product or that the quantity supplied exceeds the quantity demanded? Briefly explain your...
-
What are the political and economic implications of the trend towards greater media power among so few transnational conglomerates?
-
What are the key vocal elements in an effective presentation and How do they affect your audience?
-
How do some hospitals meet the challenge of posting standard charges on public websites?
-
You will explore the Oregon Bureau of Labor & Industries website to answer some common employer payroll questions? All of the answers to the prompts can be found on the Oregon BOLI website:...
-
Explain the five-step process for evaluating a multiple regression model.
-
Cornell and Roberts are partners who agree to admit Stanley to their partnership. Cornell has a capital balance of $80,000 and Roberts has a capital balance of $120,000. Cornell and Roberts share net...
-
In an anisotropic medium, permittivity varies with electric field direction, and is a property seen in most crystals. Consider a uniform plane wave propagating in the z direction in such a medium,...
-
A linearly polarized uniform plane wave, propagating in the forward z direction, is input to a lossless anisotropic material, in which the dielectric constant encountered by waves polarized along y(...
-
Given a wave for which E s = 15e jz a x + 18e jz e j a y V/m in a medium characterized by complex intrinsic impedance, (a) Find H s ; (b) Determine the average power density in W/m 2 .
-
Provide an analysis of the benefits and challenges of having a growth mindset as opposed to having a fixed mindset. Examine the benefits of each type of mindset, as well as the challenges that each...
-
Discuss and explain what is Performance Management (P M)? How does P M fit into corporate strategy? What's in it for me? How does it work? What are my responsibilities? How does PM relate to other...
-
A conducting spherical shell has inner radius 2 / 3 R and outer radius R . ( a ) Suppose we put a charge Q onthe shell ( a conductor ) so that all of the charge goes to the outer radius. Find the...
Study smarter with the SolutionInn App