Development of Wideband Power Amplifier for RF / Microwave Front-End Subsystem

This paper reviews the Wideband Power Amplifier (PA) that has been developed since 1990. Several journals had been discussed in this paper covers few topics such as Characterization of Power Amplifiers, Power Amplifier Architecture and Linearization Technique. Advantages and disadvantages of the technique used had been highlighted as well as the summary of those cases been compiled in the table form for comparison purposes. Power Amplifier is one of the important parts in transmitter. However, when involve transistor as an active device, it is important to ensure that the signals are stabilized and transmitted at higher efficiency. This leads to the proposal of a new design of Wideband Power Amplifier based on the concept of the multiplexer.

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Non-intrusive characterization of active device interactions in high-efficiency power amplifiers

2013 IEEE MTT-S International Microwave Symposium Digest (MTT) ◽

10.1109/mwsym.2013.6697599 ◽

2013 ◽

Cited By ~ 10

Author(s):

Rui Hou ◽

Marco Spirito ◽

John Gajadharsing ◽

Leo C.N. de Vreede

Keyword(s):

Power Amplifiers ◽

High Efficiency ◽

Active Device

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Future developments and technology options in cellular phone power amplifiers: from power amplifier to integrated RF front-end module

Proceedings of the 2000 BIPOLAR/BiCMOS Circuits and Technology Meeting (Cat. No.00CH37124) ◽

10.1109/bipol.2000.886187 ◽

2002 ◽

Cited By ~ 12

Author(s):

R. Jos

Keyword(s):

Power Amplifier ◽

Power Amplifiers ◽

Cellular Phone ◽

Future Developments ◽

Front End ◽

Rf Front End ◽

Front End Module

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Implantable neural interfaces

10.1093/oso/9780199674923.003.0050 ◽

2018 ◽

Author(s):

Stefano Vassanelli

Keyword(s):

Brain Function ◽

Large Scale ◽

Ionic Channels ◽

Patch Clamp Technique ◽

Advantages And Disadvantages ◽

Optogenetic Stimulation ◽

Physical Interfaces ◽

The Brain

Establishing direct communication with the brain through physical interfaces is a fundamental strategy to investigate brain function. Starting with the patch-clamp technique in the seventies, neuroscience has moved from detailed characterization of ionic channels to the analysis of single neurons and, more recently, microcircuits in brain neuronal networks. Development of new biohybrid probes with electrodes for recording and stimulating neurons in the living animal is a natural consequence of this trend. The recent introduction of optogenetic stimulation and advanced high-resolution large-scale electrical recording approaches demonstrates this need. Brain implants for real-time neurophysiology are also opening new avenues for neuroprosthetics to restore brain function after injury or in neurological disorders. This chapter provides an overview on existing and emergent neurophysiology technologies with particular focus on those intended to interface neuronal microcircuits in vivo. Chemical, electrical, and optogenetic-based interfaces are presented, with an analysis of advantages and disadvantages of the different technical approaches.

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