On Optimal Truncated Biharmonic Current Waveforms for Class-F and Inverse Class-F Power Amplifiers
المؤلفون المشاركون
Juhas, Anamarija
Novak, Ladislav A.
Dautovic, Stanisa
المصدر
Mathematical Problems in Engineering
العدد
المجلد 2017، العدد 2017 (31 ديسمبر/كانون الأول 2017)، ص ص. 1-19، 19ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2017-03-16
دولة النشر
مصر
عدد الصفحات
19
التخصصات الرئيسية
الملخص EN
In this paper, two-parameter families of periodic current waveforms for class-F and inverse class-F power amplifiers (PAs) are considered.
These waveforms are obtained by truncating cosine waveforms composed of dc component and fundamental and either second (k=2) or third (k=3) harmonic.
In each period, waveforms are truncated to become zero outside of a prescribed interval (so-called conduction angle).
The considered families of waveforms include both discontinuous and continuous waveforms.
Fourier series expansion of truncated waveform contains an infinite number of harmonics, although a number of harmonics may be missing.
Taking into account common assumptions that for class-F PA the third (n=3) harmonic is missing in current waveform and for inverse class-F PA the second (n=2) harmonic is missing in current waveform, we consider the following four cases: (i) n=k=3, (ii) n=3, k=2, (iii) n=k=2, and (iv) n=2, k=3.
We show that, in each of these cases, current waveform enabling maximal efficiency (optimal waveform) of class-F and inverse class-F PA is continuous for all conduction angles of practical interest.
Furthermore, we provide closed-form expressions for parameters of optimal current waveforms and maximal efficiency of class-F (inverse class-F) PA in terms of conduction angle only.
Two case studies of practical interest for PA design, involving suboptimal current waveforms, along with the results of nonlinear simulation of inverse class-F PA, are also presented.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Juhas, Anamarija& Dautovic, Stanisa& Novak, Ladislav A.. 2017. On Optimal Truncated Biharmonic Current Waveforms for Class-F and Inverse Class-F Power Amplifiers. Mathematical Problems in Engineering،Vol. 2017, no. 2017, pp.1-19.
https://search.emarefa.net/detail/BIM-1189505
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Juhas, Anamarija…[et al.]. On Optimal Truncated Biharmonic Current Waveforms for Class-F and Inverse Class-F Power Amplifiers. Mathematical Problems in Engineering No. 2017 (2017), pp.1-19.
https://search.emarefa.net/detail/BIM-1189505
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Juhas, Anamarija& Dautovic, Stanisa& Novak, Ladislav A.. On Optimal Truncated Biharmonic Current Waveforms for Class-F and Inverse Class-F Power Amplifiers. Mathematical Problems in Engineering. 2017. Vol. 2017, no. 2017, pp.1-19.
https://search.emarefa.net/detail/BIM-1189505
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1189505
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
تقوم هذه الخدمة بالتحقق من التشابه أو الانتحال في الأبحاث والمقالات العلمية والأطروحات الجامعية والكتب والأبحاث باللغة العربية، وتحديد درجة التشابه أو أصالة الأعمال البحثية وحماية ملكيتها الفكرية. تعرف اكثر