A High Efficiency Power Amplifier Integrated with a CPW Patch Antenna

Name: A High Efficiency Power Amplifier Integrated with a CPW Patch Antenna
Brand: VDM Verlag Dr. Müller
SKU: 9783639208450
Price: 252.3 PLN
Availability: InStock

A First Design Iteration

Autor: Jean-Paul L. Prévost

Język:

Oprawa: Miękka

Wydawca: VDM Verlag Dr. Müller

Dostępność: Na zamówienie

Wysyłamy za 17-27 dni

252.30 zł

In this work, the CPW-fed aperture-coupled patch antenna is studied for the purpose of integration w...

Informacje o książce

Autor

Jean-Paul L. Prévost

Język

Angielski

Oprawa

Książka - Miękka

Data wydania

2009

strony

124

EAN

9783639208450

Enbook ID

06828798

Wydawca

VDM Verlag Dr. Müller

Waga

201

Wymiary

150 x 220 x 7

Pełny opis

In this work, the CPW-fed aperture-coupled patch antenna is studied for the purpose of integration with a high efficiency power amplifier. The design of a high-efficiency power amplifier using an active multi-harmonic load-pull system is described. The load-pull system is constructed using six-port circuits and can independently vary the output load of a transistor at its fundamental operating frequency, as well as at the second and third harmonics. The system is used to find the efficiency-optimizing output loads of a commercial transistor operating at a class B bias point. A power amplifier with a gain of 7.1 dB and a PAE of 58.6% operating at a fundamental frequency of 3.5 GHz with an input power of 4mW is obtained. A CPW-fed slot-coupled patch antenna is designed to act as both a radiating element and an impedance element, producing the transistor s experimentally determined efficiency-optimizing load at the fundamental frequency. A CPW circuit comprising of internally patterned series stubs is added to the input of the antenna in order to produce the transistor's optimal loads at the second- and third-harmonic frequencies.

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A High Efficiency Power Amplifier Integrated with a CPW Patch Antenna

A First Design Iteration

Informacje o książce

Pełny opis

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