What is gallium nitride (GaN)? - Definition from WhatIs.com

Definition

gallium nitride (GaN)

Part of the Electronics glossary:

See also gallium arsenide .

Gallium nitride (GaN) is a semiconductor compound expected to make possible miniaturized, high-power wireless transmitters. These transmitters will be combined with sensitive receivers into telephone sets capable of directly accessing communications satellite . The compound can also be used in light-emitting diodes ( LED s) and other semiconductor devices.

The advantages of GaN devices include high output power with small physical volume, and high efficiency in power amplifiers at ultra-high and microwave radio frequencies.

The main problem with GaN technology is cost. A special process is required to grow a GaN crystal or wafer on which transistor s and integrated circuits ( IC s) can be fabricated. Once the process is implemented on a large scale, the cost should come down.

This was last updated in March 2011
Posted by: Margaret Rouse

Related Terms

Definitions

  • aluminum battery

    - Aluminum batteries run longer on a charge than lithium ion batteries and are safer in use. Stanford researchers have created an aluminum-graphite battery for mobile devices, the electric grid and f... (WhatIs.com)

  • optoisolator (optical coupler or optocoupler)

    - An optoisolator (also optical coupler or optocoupler) is a component that uses light to transfer electrical signals between circuits to keep them electrically isolated from each other, preventing s... (SearchNetworking.com)

  • ampere hour (Ah or amp hour)

    - An ampere hour (abbreviated Ah, or sometimes amp hour) is the amount of energy charge in a battery that will allow one ampere of current to flow for one hour. (WhatIs.com)

Glossaries

  • Electronics

    - Terms related to electronics, including definitions about electrical components and words and phrases about computers, laptops parts, digital cameras, televisions and home appliances.

  • Internet applications

    - This WhatIs.com glossary contains terms related to Internet applications, including definitions about Software as a Service (SaaS) delivery models and words and phrases about web sites, e-commerce ...

Ask a Question About gallium nitride (GaN)Powered by ITKnowledgeExchange.com

Get answers from your peers on your most technical challenges

Tech TalkComment

Share
Comments

    Results

    Contribute to the conversation

    All fields are required. Comments will appear at the bottom of the article.