extremely high frequency

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Related to Mm-wave: Millimetre band

extremely high frequency

[ek′strēm·lē ′hī ′frē·kwən·sē]
(communications)
The frequency band from 30,000 to 300,000 megahertz in the radio spectrum. Abbreviated EHF.
References in periodicals archive ?
"Through this landmark cooperation between Vivo and Qualcomm, Vivo's industry leadership and innovation on 5G mm-Wave antenna design will contribute to creating optimal devices for end users," said Dr.
However, the multiple high-repetitive frequency mm-wave signals generation for the ROF system is seldom reported, although it is considered very worthwhile for further studies.
Accurate knowledge of spatial channels at mm-wave bands is essential for assessing beamforming performance [6, 7].
--The available bandwidth in the mm-wave band is much wider than low frequencies.
The authors pointed out also that the noise factor of such mm-wave RoF links improves nearly by 20 dB in the regime of small-signal modulation and 10 dB under large-signal modulation [23].
Abstract: A fully integrated self-healing mm-wave power amplifier heals process variation, load mismatch, and transistor failure with on-chip sensors, actuators and an integrated digital algorithm ASIC without external calibration.
Several different approaches have been recently proposed to generate frequency quadrupling mm-wave signal.
The result is a robust capability to make high-quality microwave and mm-wave noise figure measurements on a wide variety of active devices.
"This ground-breaking mm-wave integrated circuit (IC) technology will have significant commercial impact, enabling a wide range of new applications such as wireless display, mobile-distributed computing, live high-definition video streaming, real-time interactive multi-user gaming, and more," added NTU's Prof Yeo, who is also founding director of NTU's VIRTUS IC Design Centre of Excellence.
Utilizing an intermediate frequency (IF) of 1.875 GHz (IF Output with 1 GHz bandwidth) and LO range of 5 GHz to 10 GHz, the MS2830A can reduce the multiplier magnitude necessary for mm-wave coverage.
Utilizing its 45 granted patents and many more pending patent applications, specifically related to the on-chip and wafer-scale beamforming and phased arrays, and high-power miniaturized mm-wave power amplifiers and transmitters, the company is uniquely positioned to supply robust Planar PtP Communications transceivers as well as radar based systems.
Applications include use as references for discrete phase detectors, frequency synthesizers, FPGA, DDS and AD/DA converters, as well as for mm-wave VSAT converters and PTP/PTMP radios.