ACPR comparison of low pass and band pass type power amplifier for 22 Mbps wireless LAN application

Kuo, Kyung Heon; Jung, Moon Sik; Park, Jung Sung; Larson, L.E.

doi:10.1109/rawcon.2000.881897

RAWCON 2000. 2000 IEEE Radio and Wireless Conference (Cat. No.00EX404)

DOI: 10.1109/rawcon.2000.881897

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ACPR comparison of low pass and band pass type power amplifier for 22 Mbps wireless LAN application

Kyung Heon Kuo

Moon Sik Jung²,

Jung Sung Park³

et al.

Abstract: This paper reports the ACPR effects of matching network topology. To investigate the out-of-band termination effects, a low pass Jilter (LPF) and a band pass filter (BPF) type power amplijiers are designed. The LPF type shows a maximum 5dB ACPR improvement on the BPF type. ACPR degradation by phase non-linearity is also predicted with simple AM-to-PM modeling

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Cited by 2 publications

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ACPR Performance Study for Modified LINC Amplifier

El-Aal

Ghannouchi

2006

2006 13th IEEE International Conference on Electronics, Circuits and Systems

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A study for the adjacent channel power ratio (ACPR) for modified linear amplification using nonlinear component (LINC) power amplifiers used in wireless communication systems when branch signals are digitally baseband filtered is proposed. The LINC is modified by sending the filtered branch signals and then combine them at the receiver. The IEEE802.11g standard, which operates at 2.4 GHz, employing the OFDM signals is used to show the system performance compatibility with the standard and efficiency improvements. Results show that the ACPR is lowered when using a least square filter, from -26.1dBc to -63.8dBc. The efficiency is improved by 3.4 times when compared with that of a regular LINC.

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ACPR Performance Study for Modified LINC Amplifier

El-Aal

Ghannouchi

2006

2006 13th IEEE International Conference on Electronics, Circuits and Systems

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Power amplifier back-off analysis with AM-to-PM for millimeter-wave OFDM wireless LAN

Park

Park²,

Roh³

et al.

Proceedings RAWCON 2001. 2001 IEEE Radio and Wireless Conference (Cat.No.01EX514)

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With a simple AM-to-PM modeling and system simulation techniques, power amplifier ACPR is calculated for millimeter-wave OFDM wireless LAN The required ampl8er back-off for specified ACPR and the ACPR degradation are predicted for the AM-to-PM nonlinearity. More than I.0dB additional back-off is required ifthe ampli$er has 5" AM-to-PMat the IdB compression, and the required back-offincreases to 1.4dB as the AM-to-PMincreases to 10" compared to the case without phase distortion.

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ACPR comparison of low pass and band pass type power amplifier for 22 Mbps wireless LAN application

Cited by 2 publications

References 8 publications

ACPR Performance Study for Modified LINC Amplifier

ACPR Performance Study for Modified LINC Amplifier

Power amplifier back-off analysis with AM-to-PM for millimeter-wave OFDM wireless LAN

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