The position of modulation in a transmitter determines whether the circuit is low- level or high-level. The modulation occurs before the output element of the transmitter's final stage with low-level modulation. Because the modulation occurs in the final element of the final stage, when the carrier signal is at its maximum amplitude, high-level modulators require a substantially larger amplitude modulating signal to obtain a reasonable percent modulation. Which of the following is NOT TRUE? Select your answer. When the transmitted power hits 85 percent in high-level modulation, the AM signal becomes distorted. The final modulating signal amplifier in high-level modulation must supply full sideband power, which could be up to 33% of the total transmit power. Low-level modulation has the problem of requiring all subsequent amplifiers to be linear amplifiers, which is inefficient in high-power applications. Low-level modulation has the advantage of using less modulating signal power to attain a high modulation percentage.
The position of modulation in a transmitter determines whether the circuit is low- level or high-level. The modulation occurs before the output element of the transmitter's final stage with low-level modulation. Because the modulation occurs in the final element of the final stage, when the carrier signal is at its maximum amplitude, high-level modulators require a substantially larger amplitude modulating signal to obtain a reasonable percent modulation. Which of the following is NOT TRUE? Select your answer. When the transmitted power hits 85 percent in high-level modulation, the AM signal becomes distorted. The final modulating signal amplifier in high-level modulation must supply full sideband power, which could be up to 33% of the total transmit power. Low-level modulation has the problem of requiring all subsequent amplifiers to be linear amplifiers, which is inefficient in high-power applications. Low-level modulation has the advantage of using less modulating signal power to attain a high modulation percentage.
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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![The position of modulation in a transmitter determines whether the circuit is low-
level or high-level. The modulation occurs before the output element of the
transmitter's final stage with low-level modulation. Because the modulation occurs in
the final element of the final stage, when the carrier signal is at its maximum
amplitude, high-level modulators require a substantially larger amplitude modulating
signal to obtain a reasonable percent modulation. Which of the following is NOT
TRUE?
Select your answer.
When the transmitted power hits 85 percent in high-level
modulation, the AM signal becomes distorted.
The final modulating signal amplifier in high-level modulation must
supply full sideband power, which could be up to 33% of the total
transmit power.
Low-level modulation has the problem of requiring all subsequent
amplifiers to be linear amplifiers, which is inefficient in high-power
applications.
Low-level modulation has the advantage of using less modulating
signal power to attain a high modulation percentage.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F613db456-3981-4bff-804d-5586680a2a63%2F5ca2d9f2-941f-4f55-b30c-42e73a4c3aa6%2Flgxrkyy_processed.jpeg&w=3840&q=75)
Transcribed Image Text:The position of modulation in a transmitter determines whether the circuit is low-
level or high-level. The modulation occurs before the output element of the
transmitter's final stage with low-level modulation. Because the modulation occurs in
the final element of the final stage, when the carrier signal is at its maximum
amplitude, high-level modulators require a substantially larger amplitude modulating
signal to obtain a reasonable percent modulation. Which of the following is NOT
TRUE?
Select your answer.
When the transmitted power hits 85 percent in high-level
modulation, the AM signal becomes distorted.
The final modulating signal amplifier in high-level modulation must
supply full sideband power, which could be up to 33% of the total
transmit power.
Low-level modulation has the problem of requiring all subsequent
amplifiers to be linear amplifiers, which is inefficient in high-power
applications.
Low-level modulation has the advantage of using less modulating
signal power to attain a high modulation percentage.
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