Analysis of Dynamic and Transient Response of Frequency Modulated Class E Amplifier

Tadashi SUETSUGU; Xiuqin WEI; Marian K. KAZIMIERCZUK

doi:10.1587/transcom.E97.B.1630

Analysis of Dynamic and Transient Response of Frequency Modulated Class E Amplifier

Tadashi SUETSUGU, Xiuqin WEI, Marian K. KAZIMIERCZUK

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Summary :

The dynamic characteristics of the class E power amplifier with frequency modulation are derived. Such an analysis is essential for designing amplitude and frequency modulated amplifier systems such as an EER scheme. Conventionally, an analytical expression for the frequency response of a frequency modulated class E amplifier has not been derived yet. This omission is rectified here by modeling the circuit with both a low-frequency model and a high-frequency model. Further, a time domain waveform is derived from the frequency domain transfer function for some typical time varying drive signals. The analytical results for the frequency response of a 1-MHz class E amplifier are shown to match PSpice simulations and measured values well.

Publication: IEICE TRANSACTIONS on Communications Vol.E97-B No.8 pp.1630-1637

Publication Date: 2014/08/01

Publicized

Online ISSN: 1745-1345

DOI: 10.1587/transcom.E97.B.1630

Type of Manuscript: PAPER

Category: Energy in Electronics Communications

Authors

Tadashi SUETSUGU
  Fukuoka University
Xiuqin WEI
  Fukuoka University
Marian K. KAZIMIERCZUK
  Wright State University

Keyword

switching amplifier, class E RF power amplifier, dynamic analysis, frequency modulation (FM), state-space averaging method, frequency response

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Tadashi SUETSUGU, Xiuqin WEI, Marian K. KAZIMIERCZUK, "Analysis of Dynamic and Transient Response of Frequency Modulated Class E Amplifier" in IEICE TRANSACTIONS on Communications, vol. E97-B, no. 8, pp. 1630-1637, August 2014, doi: 10.1587/transcom.E97.B.1630.
Abstract: The dynamic characteristics of the class E power amplifier with frequency modulation are derived. Such an analysis is essential for designing amplitude and frequency modulated amplifier systems such as an EER scheme. Conventionally, an analytical expression for the frequency response of a frequency modulated class E amplifier has not been derived yet. This omission is rectified here by modeling the circuit with both a low-frequency model and a high-frequency model. Further, a time domain waveform is derived from the frequency domain transfer function for some typical time varying drive signals. The analytical results for the frequency response of a 1-MHz class E amplifier are shown to match PSpice simulations and measured values well.
URL: https://globals.ieice.org/en_transactions/communications/10.1587/transcom.E97.B.1630/_p

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@ARTICLE{e97-b_8_1630,
author={Tadashi SUETSUGU, Xiuqin WEI, Marian K. KAZIMIERCZUK, },
journal={IEICE TRANSACTIONS on Communications},
title={Analysis of Dynamic and Transient Response of Frequency Modulated Class E Amplifier},
year={2014},
volume={E97-B},
number={8},
pages={1630-1637},
abstract={The dynamic characteristics of the class E power amplifier with frequency modulation are derived. Such an analysis is essential for designing amplitude and frequency modulated amplifier systems such as an EER scheme. Conventionally, an analytical expression for the frequency response of a frequency modulated class E amplifier has not been derived yet. This omission is rectified here by modeling the circuit with both a low-frequency model and a high-frequency model. Further, a time domain waveform is derived from the frequency domain transfer function for some typical time varying drive signals. The analytical results for the frequency response of a 1-MHz class E amplifier are shown to match PSpice simulations and measured values well.},
keywords={},
doi={10.1587/transcom.E97.B.1630},
ISSN={1745-1345},
month={August},}

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TY - JOUR
TI - Analysis of Dynamic and Transient Response of Frequency Modulated Class E Amplifier
T2 - IEICE TRANSACTIONS on Communications
SP - 1630
EP - 1637
AU - Tadashi SUETSUGU
AU - Xiuqin WEI
AU - Marian K. KAZIMIERCZUK
PY - 2014
DO - 10.1587/transcom.E97.B.1630
JO - IEICE TRANSACTIONS on Communications
SN - 1745-1345
VL - E97-B
IS - 8
JA - IEICE TRANSACTIONS on Communications
Y1 - August 2014
AB - The dynamic characteristics of the class E power amplifier with frequency modulation are derived. Such an analysis is essential for designing amplitude and frequency modulated amplifier systems such as an EER scheme. Conventionally, an analytical expression for the frequency response of a frequency modulated class E amplifier has not been derived yet. This omission is rectified here by modeling the circuit with both a low-frequency model and a high-frequency model. Further, a time domain waveform is derived from the frequency domain transfer function for some typical time varying drive signals. The analytical results for the frequency response of a 1-MHz class E amplifier are shown to match PSpice simulations and measured values well.
ER -