Skip to main content Accessibility help
×
Home

Wideband high-efficiency linearized PA design with reduction in memory effects and IMD3

Published online by Cambridge University Press:  12 April 2018


Xuekun Du
Affiliation:
University of Electronic Science and Technology of China, 611731 Chengdu China Intelligent RF Radio Laboratory, Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
Chang Jiang You
Affiliation:
University of Electronic Science and Technology of China, 611731 Chengdu China
Yulong Zhao
Affiliation:
Intelligent RF Radio Laboratory, Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
Xiang Li
Affiliation:
Intelligent RF Radio Laboratory, Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
Mohamed Helaoui
Affiliation:
Intelligent RF Radio Laboratory, Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
Jingye Cai
Affiliation:
University of Electronic Science and Technology of China, 611731 Chengdu China
Fadhel M. Ghannouchi
Affiliation:
Intelligent RF Radio Laboratory, Department of Electrical and Computer Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
Corresponding

Abstract

An analytical method is proposed to reduce the memory effects and third-order intermodulation distortions for improving the linearity of wideband power amplifier (PA). An excellent linearity can be obtained by reducing the second-harmonic output power levels and reducing the envelope voltage components in the megahertz range. An improved wideband Chebyshev low-pass matching network including the bias network is analyzed and designed to validate the proposed method. The measured results indicate that a wideband high-efficiency linearized PA is realized from 1.35 to 2.45 GHz (fractional bandwidth = 58%) with power added efficiency of 60–78%, power gain of 10.8–12.3 dB, and output power of 40.0–41.2 dBm. For a 20 MHz LTE modulated signal, the adjacent channel leakage ratios (ACLRs) of the proposed PA with digital pre-distortion (DPD) linearization are −55.7 ~ −53.9 dBc across 1.5–2.4 GHz at an average output power of 32.4–33.6 dBm. For a 40 MHz two-carrier LTE modulated signal, the ACLRs of the proposed PA with DPD linearization are −51.1 ~ −48.2 dBc at an average output power of ~30.5 dBm in the frequency range from 1.5 GHz to 2.4 GHz.


Type
Research Papers
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2018 

Access options

Get access to the full version of this content by using one of the access options below.

References

1.Saad, P, Fager, C, Cao, H, Zirath, H and Andersson, K (2010) Design of a highly efficient 2–4 GHz octave bandwidth GaN-HEMT power amplifier. IEEE Transactions on Microwave Theory and Techniques 58, 16771685.CrossRefGoogle Scholar
2.Ding, X, He, S, You, F, Xie, S and Hu, Z (2013) 2–4 GHz wideband power amplifier with ultra-flat gain and high PAE. Electronics Letters 49, 326327.CrossRefGoogle Scholar
3.Arnous, MT, Zhang, Z, Barbin, SE and Boeck, G (2017) A novel design approach for highly efficient multi-octave bandwidth GaN power amplifiers. IEEE Microwave Wireless Components Letters 27, 371373.CrossRefGoogle Scholar
4.Shi, W, He, S, Li, Q, Qi, T and Liu, Q (2016) Design of broadband power amplifiers based on resistive-reactive series of continuous modes. IEEE Microwave Wireless Components Letters 26, 519521.CrossRefGoogle Scholar
5.Tuffy, N, Guan, L, Zhu, A and Brazil, TJ (2012) A simplified broadband design methodology for linearized high-efficiency continuous Class-F power amplifiers. IEEE Transactions on Microwave Theory and Techniques 60, 19521963.CrossRefGoogle Scholar
6.Vuolevi, J and Rahkonen, T (2003) Distortion in RF Power Amplifiers. Norwood, MA: Artech House.Google Scholar
7.Liu, T, Boumaiza, S, Sesay, AB and Ghannouchi, FM (2007) Quantitative measurements of memory effects in wideband RF power amplifiers driven by modulated signals. IEEE Microwave Wireless Components Letters 17, 7981.CrossRefGoogle Scholar
8.Ghannouchi, FM, Hammi, O and Helaoui, M (2015) Behavioral Modeling and Predistortion of Wideband Wireless Transmitters, Hoboken, NJ: John Wiley & Sons.CrossRefGoogle Scholar
9.Kim, J, Moon, J, Kim, I, Kim, J and Kim, B (2009) Synergistic digital predistorter based on a low memory power amplifier for wideband linearization. Microwave and Optical Technology Letters 51, 15481552.CrossRefGoogle Scholar
10.Lee, Y-S, Lee, M-W, Kam, S-H and Jeong, Y-H (2010) A high-linearity wideband power amplifier with cascaded third-order analog predistorters. IEEE Microwave Wireless Components Letters 20, 112114.CrossRefGoogle Scholar
11.Ladhani, H, Jones, JK and Bouisse, G (2011) Improvements in the instantaneous-bandwidth capability of RF power transistors using in-package high-k capacitors. IEEE MTT-S International Microwave Symposium Digest, Baltimore.Google Scholar
12.Chen, K and Peroulis, D (2011) Design of highly efficient broadband class-E power amplifier using synthesized low-pass matching networks. IEEE Transactions on Microwave Theory and Techniques 59, 31623173.CrossRefGoogle Scholar
13.Matthaei, GL (1964) Tables of Chebyshev impedance transformation networks of low-pass filter form. IEEE Transactions on Microwave Theory and Techniques 52, 939963.Google Scholar
14.Ghannouchi, FM and Hammi, O (2009) Behavioral modeling and predistortion. IEEE Microwave Magazine 10, 5264.CrossRefGoogle Scholar
15.Morgan, DR, Ma, Z, Kim, J, Zierdt, MG and Pastalan, J (2006) A generalized memory polynomial model for digital predistortion of RF power amplifiers. IEEE Transactions on Signal Processing 54, 38523860.CrossRefGoogle Scholar
16.Yang, M, Xia, J, Guo, Y and Zhu, A (2016) Highly efficient broadband continuous inverse Class-F power amplifier design using modified elliptic low-pass filtering matching network. IEEE Transactions on Microwave Theory and Techniques 64, 15151525.CrossRefGoogle Scholar

Full text views

Full text views reflects PDF downloads, PDFs sent to Google Drive, Dropbox and Kindle and HTML full text views.

Total number of HTML views: 20
Total number of PDF views: 123 *
View data table for this chart

* Views captured on Cambridge Core between 12th April 2018 - 2nd December 2020. This data will be updated every 24 hours.

Hostname: page-component-79f79cbf67-cxk4b Total loading time: 1.015 Render date: 2020-12-02T19:50:13.586Z Query parameters: { "hasAccess": "0", "openAccess": "0", "isLogged": "0", "lang": "en" } Feature Flags last update: Wed Dec 02 2020 19:05:51 GMT+0000 (Coordinated Universal Time) Feature Flags: { "metrics": true, "metricsAbstractViews": false, "peerReview": true, "crossMark": true, "comments": true, "relatedCommentaries": true, "subject": true, "clr": false, "languageSwitch": true }

Send article to Kindle

To send this article to your Kindle, first ensure no-reply@cambridge.org is added to your Approved Personal Document E-mail List under your Personal Document Settings on the Manage Your Content and Devices page of your Amazon account. Then enter the ‘name’ part of your Kindle email address below. Find out more about sending to your Kindle. Find out more about sending to your Kindle.

Note you can select to send to either the @free.kindle.com or @kindle.com variations. ‘@free.kindle.com’ emails are free but can only be sent to your device when it is connected to wi-fi. ‘@kindle.com’ emails can be delivered even when you are not connected to wi-fi, but note that service fees apply.

Find out more about the Kindle Personal Document Service.

Wideband high-efficiency linearized PA design with reduction in memory effects and IMD3
Available formats
×

Send article to Dropbox

To send this article to your Dropbox account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Dropbox.

Wideband high-efficiency linearized PA design with reduction in memory effects and IMD3
Available formats
×

Send article to Google Drive

To send this article to your Google Drive account, please select one or more formats and confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your <service> account. Find out more about sending content to Google Drive.

Wideband high-efficiency linearized PA design with reduction in memory effects and IMD3
Available formats
×
×

Reply to: Submit a response


Your details


Conflicting interests

Do you have any conflicting interests? *