A 28.1dBm class-D outphasing power amplifier in 45nm LP digital CMOS

A 2.25GHz outphasing power amplifier is implemented in a 45nm LP digital CMOS process. The PA is designed in class-D mode for low output impedance and good linearity. The PA delivers 28.1dBm peak CW power with 19.7% system efficiency (includes all drivers). Average OFDM power is 21.4/20.3dBm with ef...

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Main Authors: Xu, H., Palaskas, Y., Ravi, A., Sajadieh, M., Elmala, M., Soumyanath, K.
Format: Conference Proceeding
Language:English
Subjects:
Capacitors
class-D
CMOS process
Driver circuits
Inverters
Linearity
OFDM
outphasing
power amplifier
Power amplifiers
Power dissipation
Voltage
WiMAX
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creator Xu, H.
Palaskas, Y.
Ravi, A.
Sajadieh, M.
Elmala, M.
Soumyanath, K.
description A 2.25GHz outphasing power amplifier is implemented in a 45nm LP digital CMOS process. The PA is designed in class-D mode for low output impedance and good linearity. The PA delivers 28.1dBm peak CW power with 19.7% system efficiency (includes all drivers). Average OFDM power is 21.4/20.3dBm with efficiency 8.0/6.5% when transmitting WiFi/WiMAX signals respectively.
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Capacitors
class-D
CMOS process
Driver circuits
Inverters
Linearity
OFDM
outphasing
power amplifier
Power amplifiers
Power dissipation
Voltage
WiMAX
title A 28.1dBm class-D outphasing power amplifier in 45nm LP digital CMOS
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