Harmonie and Intermodulation Performance of LDMOS Transistors

M. T. Abuelma'atti

doi:10.1515/FREQ.2003.57.11-12.244

Harmonie and Intermodulation Performance of LDMOS Transistors

Translated title of the contribution: Harmonie and Intermodulation Performance of LDMOS Transistors

M. T. Abuelma'atti^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

A mathematical model for the input-output characteristic of the LDMOS transistor is presented. The model, basically a Fourier-series, can easily yield closed-form series expressions for the amplitudes of the output components resulting from multisinusoidal input signals to the LDMOS transistor. The special case of equal-amplitude two-tone input signal is considered in detail. The results confirm the experimental observations that the thirdorder intermodulation of the class-AB is low and almost constant over a wide dynamic range. The results also show that for a wideband operation the second-order intermodulation is dominant.

Translated title of the contribution	Harmonie and Intermodulation Performance of LDMOS Transistors
Original language	English
Pages (from-to)	244-247
Number of pages	4
Journal	Frequenz
Volume	57
Issue number	11-12
DOIs	https://doi.org/10.1515/FREQ.2003.57.11-12.244
State	Published - 2003
Externally published	Yes

Keywords

Intermodulation
LDMOS-Transistor
Oberschwingungen
Zweitonverfahren

ASJC Scopus subject areas

Electrical and Electronic Engineering

Access to Document

10.1515/FREQ.2003.57.11-12.244

Cite this

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abstract = "A mathematical model for the input-output characteristic of the LDMOS transistor is presented. The model, basically a Fourier-series, can easily yield closed-form series expressions for the amplitudes of the output components resulting from multisinusoidal input signals to the LDMOS transistor. The special case of equal-amplitude two-tone input signal is considered in detail. The results confirm the experimental observations that the thirdorder intermodulation of the class-AB is low and almost constant over a wide dynamic range. The results also show that for a wideband operation the second-order intermodulation is dominant.",

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AB - A mathematical model for the input-output characteristic of the LDMOS transistor is presented. The model, basically a Fourier-series, can easily yield closed-form series expressions for the amplitudes of the output components resulting from multisinusoidal input signals to the LDMOS transistor. The special case of equal-amplitude two-tone input signal is considered in detail. The results confirm the experimental observations that the thirdorder intermodulation of the class-AB is low and almost constant over a wide dynamic range. The results also show that for a wideband operation the second-order intermodulation is dominant.

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KW - Oberschwingungen

KW - Zweitonverfahren

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Harmonie and Intermodulation Performance of LDMOS Transistors

Abstract

Keywords

ASJC Scopus subject areas

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Cite this