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 Gallium arsenide (GaAs) is a member of the III-V group of compound
semiconductors, which includes materials made from a combination of elements
from the third and fifth groups of the periodic table, such as gallium, indium,
and aluminum with nitrogen, phosphorous, or arsenic.
III-V semiconductors have unique properties that make them useful for a wide
range of electronic and optoelectronic applications. For example, they have high
electron mobility, high thermal conductivity, and direct bandgaps, making them
ideal for use in high-speed electronic devices, LEDs, solar cells, and other
optoelectronic devices.
In addition to GaAs, other commonly used III-V semiconductors include indium
phosphide (InP), aluminum gallium arsenide (AlGaAs), and indium gallium arsenide
(InGaAs). These materials are used in a variety of applications, such as
wireless communication devices, fiber-optic networks, high-efficiency solar
cells, and solid-state lighting.
Overall, III-V semiconductors are essential materials in modern electronics
and are used to create many of the devices that power our daily lives.
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 While working on an
update to my
RF Cafe Espresso Engineering Workbook project to add a couple calculators
about FM sidebands (available soon). The good news is that AI provided excellent
VBA code to generate a set of
Bessel function plots. The bad news is when I asked for a
table
showing at which modulation indices sidebands 0 (carrier) through 5 vanish,
none of the agents got it right. Some were really bad. The AI agents typically
explain their reason and method correctly, then go on to produces bad results.
Even after pointing out errors, subsequent results are still wrong. I do a
lot of AI work and see this often, even with subscribing to professional
versions. I ultimately generated the table myself. There is going to be a
lot of inaccurate information out there based on unverified AI queries, so
beware.
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