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Providing smaller and more efficient radios and radio subsystems with the use of miniaturized components such as RF transistors, modulators, and amps.
As the GaN process and understanding of the tradeoffs in Doherty and envelope-tracking schemes improve, we can expect to see further enhancements in wideband communications.
This article interexamines the trade-offs between ference, range, and speed that need to be considered when choosing to operate in the 5 GHz band or the 2.4 GHz band.
Standard mechanical switches do not work well with RF. At high frequencies, signal coupling can occur across mechanical contact gaps, which can act like a capacitor in a high-pass filter.
Cell phones and other wireless systems that contain multiple radios and multiple antennas often share some of the antennas to reduce system clutter.
In every RF receiver system, low-noise amplifiers (LNAs) can be used to improve the signal-to-noise ratio by replacing amplifiers with higher internal noise levels.
Wireless devices that address specific functional needs are commonplace. Many share common characteristics, but vary greatly in performance and abilities.