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Doherty power amplifiersfrom fundame...

Kim, Bumman,

Doherty power amplifiersfrom fundamentals to advanced design methods /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Doherty power amplifiersBumman Kim.
Reminder of title:	from fundamentals to advanced design methods /
Author:	Kim, Bumman,
Published:	London :Academic Press,2018.
Description:	1 online resource (ix, 174 p.).
Subject:	Power amplifiers.
Online resource:	https://www.sciencedirect.com/science/book/9780128098677
ISBN:	9780128098752 (electronic bk.)

Doherty power amplifiersfrom fundamentals to advanced design methods /
Kim, Bumman,

Doherty power amplifiersfrom fundamentals to advanced design methods /[electronic resource] :Bumman Kim. - London :Academic Press,2018. - 1 online resource (ix, 174 p.).

Front Cover; Doherty Power Amplifiers: From Fundamentals to Advanced Design Methods; Copyright; Contents; Acknowledgments; Chapter One: Introduction to Doherty Power Amplifier; 1.1. Historical Survey; 1.2. Basic Operation Principle; 1.2.1. Load Modulation Behavior; 1.2.1.1. Load Impedance Modulation; 1.2.1.2. Voltage, Current, and Load Impedance Profiles; 1.2.1.3. Load Lines for the Modulated Loads; 1.2.2. Efficiency and Gain Characteristics; 1.2.2.1. Efficiency; 1.2.2.2. Gain; 1.3. Offset Line Technique; 1.3.1. Realization of Doherty Amplifier; 1.3.2. Operation of the Offset Line.

ISBN: 9780128098752 (electronic bk.)Subjects--Topical Terms:

224004
Power amplifiers.
Index Terms--Genre/Form:

214472
Electronic books.

LC Class. No.: TK7871.58.P6

Dewey Class. No.: 621.384/12

Doherty power amplifiersfrom fundamentals to advanced design methods /
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020 $a 9780128098677
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245 1 0 $a Doherty power amplifiers $h [electronic resource] : $b from fundamentals to advanced design methods / $c Bumman Kim.
260 $a London : $b Academic Press, $c 2018.
300 $a 1 online resource (ix, 174 p.).
505 0 $a Front Cover; Doherty Power Amplifiers: From Fundamentals to Advanced Design Methods; Copyright; Contents; Acknowledgments; Chapter One: Introduction to Doherty Power Amplifier; 1.1. Historical Survey; 1.2. Basic Operation Principle; 1.2.1. Load Modulation Behavior; 1.2.1.1. Load Impedance Modulation; 1.2.1.2. Voltage, Current, and Load Impedance Profiles; 1.2.1.3. Load Lines for the Modulated Loads; 1.2.2. Efficiency and Gain Characteristics; 1.2.2.1. Efficiency; 1.2.2.2. Gain; 1.3. Offset Line Technique; 1.3.1. Realization of Doherty Amplifier; 1.3.2. Operation of the Offset Line.
505 8 $a 1.3.2.1. Offset Line at Carrier Amplifier1.3.2.2. Offset Line at Peaking Amplifier; 1.4. Other Load Modulation Methods; 1.4.1. Voltage Combined Doherty Amplifier; 1.4.1.1. Series Configured Doherty Amplifier in Voltage Combining Mode; 1.4.1.2. Transformer Based Power Amplifier; 1.4.1.3. Transformer Based Voltage Combined Doherty Amplifier; 1.4.2. Inverted Load Modulation; 1.4.3. Direct Matching at the First Peak Efficiency Point; 1.4.3.1. Using ROPT/2 Inverter; 1.4.3.2. Using 2ROPT Inverter; Further Reading; Chapter Two: Realization of Proper Load Modulation Using a Real Transistor.
505 8 $a 2.1. Correction for Lower Current of Peaking Amplifier2.1.1. Uneven Drive Through Coupler; 2.1.1.1. Current Ratio of Peaking Amplifier Versus Carrier Amplifier; 2.1.1.2. Efficiency of the Asymmetric Amplifier With Uneven Power Drive; 2.1.2. Gate Bias Adaptation to Compensate the Low Current of Peaking Amplifier; 2.1.2.1. Peaking Amplifier Adaptation; 2.1.2.2. Adaptation of the Both Amplifiers; 2.2. Knee Voltage Effect on Doherty Amplifier Operation; 2.2.1. Doherty Amplifier Operation With Knee Voltage; 2.2.2. Load Modulation Behavior of Doherty Amplifier With Optimized Carrier Amplifier.
505 8 $a 2.3. Offset Line Design for Compensation of Peaking Amplifier Phase Variation2.3.1. Phase Variation of the Peaking Amplifier; 2.3.2. Load Modulation of Peaking Amplifier With the Additional Offset Lines; 2.3.3. The Load Modulation of the Carrier Amplifier With the Additional Offset Lines; 2.3.4. Simulation Results With Real Device; Further Reading; Chapter Three: Enhancement of Doherty Amplifier; 3.1. Doherty Amplifier With Asymmetric Vds; 3.2. Optimized Design of GaN HEMT Doherty Power Amplifier With High Gain and High Efficiency; 3.2.1. Optimized Design of Carrier and Peaking Amplifiers.
505 8 $a 3.2.2. Operation of the Optimally Matched Doherty Amplifier3.3. Optimized Peaking Amplifier Design for Doherty Amplifier; 3.3.1. Optimized Design of Peaking Amplifier for Proper Doherty Operation; 3.3.2. Simulation and Experimental Results; 3.4. Saturated Doherty Amplifier; 3.4.1. Operational Principle of the Saturated Doherty Amplifier; 3.4.2. Efficiency and Linearity of the Saturated Doherty Amplifier; 3.4.2.1. Efficiency of the Saturated Doherty Amplifier; 3.4.2.2. Linearity of the Saturated Doherty Amplifier; 3.4.3. Improved Harmonic Control Circuit for Saturated Amplifier.
588 0 $a Online resource; title from PDF title page (EBSCO, viewed April 4, 2018).
650 0 $a Power amplifiers. $3 224004
650 0 $a Amplifiers, Radio frequency. $3 304953
655 4 $a Electronic books. $2 local. $3 214472
856 4 0 $u https://www.sciencedirect.com/science/book/9780128098677