The market value has evaporated by 82 billion! Zhuoshengwei is trapped in the decline of mobile phone RF demand, and the Internet of Things has become an important opportunity for domestic RF

Electronic Enthusiast Original Zhang Ying In the second week of July, a new development trend appeared in the field of radio frequency. Constrained by the decline in demand for smartphones and consumer electronics, the leading domestic RF company Zhuosheng Micro released its second-quarter results forecast, and its profits fell by a large proportion; 2. The […]

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Qualcomm pushes the new features of snapdragon X70 modem and RF system to force 5g millimeter wave independent networking

Qualcomm highlights • Smart transmit 3.0 introduces support for cellular, Wi Fi and Bluetooth for enhanced, robust and reliable connectivity • The terminal equipped with Xiaolong X70 realizes the world’s first 5g millimeter wave independent networking connection Qualcomm technologies today announced at the Qualcomm 5g summit that the snapdragon X70 5g modem and RF system […]

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Viavi pushes alt-9000 universal radio altimeter flight line test device

Viavi solutions Inc. (viavi) (NASDAQ: viav) today announced the launch of the alt-9000 universal radio altimeter (radalt) flight line test device. As manufacturers release radalt with more complex waveforms to solve the safety and security problems of the aviation industry, alt-9000 adds fiber delay to traditional radio frequency (RF) testing, enabling it to test all […]

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High energy efficiency RF product line for 4G and 5g small cellular radios

Energy efficiency challenges of next generation radio As shown in the following table, the evolution of wireless standards has witnessed significant improvements in spectral efficiency and data rate. New complex modulation schemes and the increase of radio bandwidth are providing up to 1 Gbit / s peak data rate for wireless access below 6 GHz. […]

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LC device selection in RF and antenna matching circuit design

The purpose of designing the matching circuit is to transmit the signal power of the source end to the load end to the maximum extent, so the matching circuit itself cannot introduce lossy components such as resistors, but only inductors and capacitors. Next, we will introduce the design of RF and antenna matching circuitinCharacteristics and […]

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Holzworth HSY series: ultra low phase noise RF signal source

As a multi-channel CW signal source, HSY series frequency synthesizer provides industry-leading phase noise and spectral purity performance. The compact 1U chassis allows 1x to 4x independent adjustable channels (frequency / phase offset / amplitude), which can provide as many source channels as possible in a limited space. According to specific applications, you can choose […]

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Qualcomm ranks first in market share with millimeter wave transceivers

In 2021, millimeter wave increased the transceiver market of smart phones, and Qualcomm accounted for most of the value share. The Research Report “smart phone RF transceiver market share in 2021: amazing growth in millimeter wave driven market” recently released by strategy analytics RF & wireless components service points out that Qualcomm has achieved considerable […]

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On the ups and downs of RF front-end industry

As an important part of the semiconductor industry, the RF front-end industry has also experienced ups and downs in the past decade. “There must be a king in 500 years”. The periodic law is hidden between the fingers of history and in the genes of semiconductors. Period of RF The periodicity of semiconductors is mainly […]

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Common indicators and test methods of RF PA

In the wireless communication system, the power amplifier PA in the RF front-end is a very key device. Its main function is to amplify the low-power signal to obtain a certain amount of RF output power. Because the wireless signal has great attenuation in the air, in order to stabilize the quality of communication services, […]

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