A power-adaptive CMOS class E RF tuned power amplifier for wireless communications

Tu, Steve Hung-Lung

doi:10.1109/soc.2003.1241544

Cited by 3 publications

(1 citation statement)

References 18 publications

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“…The power and driver stages are designed as a Class-E amplifier [10,11]. Among the various stage-convertible power amplifiers available, a low-power matching network using a differential line inductor is simplest and has the most compact size.…”

Section: Design Of the Proposed Power Amplifiermentioning

confidence: 99%

<i>A Brief Review</i>: Stage-Convertible Power Amplifier Using Differential Line Inductor

Park¹,

Lee²,

Park³

2012

WET

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In this review article, a stage-convertible RF power amplifier designed with a 0.18-m RF CMOS process is described. A method to implement a low-power matching network is an essential technology for the stage-convertible power amplifier. Various low-power matching networks with distributed active transformers as an output power combiner are compared in terms of the amounts of undesired coupling, the chip size, and the amount of power loss. The feasibility of a differential line inductor for the stage-convertible power amplifier is assessed and explained. Finally, we show that the differential line inductor is a realistic means of reducing the overall chip size, enhancing the quality factor of the matching network, and minimizing the undesired coupling between the inter-stage matching network and any output matching network. Additionally, the operating mechanism of the stage-convertible power amplifier using the differential line inductor for a low-power matching network is described in detail.

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Section: Design Of the Proposed Power Amplifiermentioning

confidence: 99%

<i>A Brief Review</i>: Stage-Convertible Power Amplifier Using Differential Line Inductor

Park¹,

Lee²,

Park³

2012

WET

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Analysis and design of power-controllable CMOS class E RF-tuned power amplifiers

2012

IET Pwr. Electr.

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A 1.8-GHz CMOS Power Amplifier Using a Dual-Primary Transformer With Improved Efficiency in the Low Power Region

Park

Han

Kim

et al. 2008

IEEE Trans. Microwave Theory Techn.

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A power-adaptive CMOS class E RF tuned power amplifier for wireless communications

Cited by 3 publications

References 18 publications

<i>A Brief Review</i>: Stage-Convertible Power Amplifier Using Differential Line Inductor

<i>A Brief Review</i>: Stage-Convertible Power Amplifier Using Differential Line Inductor

Analysis and design of power-controllable CMOS class E RF-tuned power amplifiers

A 1.8-GHz CMOS Power Amplifier Using a Dual-Primary Transformer With Improved Efficiency in the Low Power Region

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A power-adaptive CMOS class E RF tuned power amplifier for wireless communications

Cited by 3 publications

References 18 publications

&lt;i&gt;A Brief Review&lt;/i&gt;: Stage-Convertible Power Amplifier Using Differential Line Inductor

&lt;i&gt;A Brief Review&lt;/i&gt;: Stage-Convertible Power Amplifier Using Differential Line Inductor

Analysis and design of power-controllable CMOS class E RF-tuned power amplifiers

A 1.8-GHz CMOS Power Amplifier Using a Dual-Primary Transformer With Improved Efficiency in the Low Power Region

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Product

Resources

About

<i>A Brief Review</i>: Stage-Convertible Power Amplifier Using Differential Line Inductor

<i>A Brief Review</i>: Stage-Convertible Power Amplifier Using Differential Line Inductor