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ISDB
ISDB is a digital broadcasting system standard developed by DIBEG (Digital Broadcasting Experts Group) in Japan. It uses a standardized multiplexing scheme to send various types of signals on...[Details]
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1.4 Electromagnetic shielding and shielding efficiency
Shielding efficiency is an index for evaluating the performance of a shielding body, and its expression is:
SE(db)=A+R+B
1)...[Details]
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With the rapid expansion of the Internet of Things, more and more ports, supermarkets, livestock farms, and road traffic are equipped with RFID electronic tag technology. RFID has promoted the hea...[Details]
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Today, I will briefly introduce the D/A converter, which converts digital signals into analog signals. Let's first look at the basic principle, as shown in the figure below.
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In the previous tweet "NDC simulation function allows AGV vehicles to have a traceable path", we introduced the powerful simulation function of NDC, which can simulate and test the AGV vehicles bef...[Details]
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Introduction: Most single-chip control systems use control keys to implement control functions. Eliminating the jitter at the moment of key pressing is an issue that designers must consider. This art...[Details]
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Beijing, China - July 18, 2023 - Analog Devices, Inc. (Nasdaq: ADI), the world's leading semiconductor company, released the "2022 Environmental, Social Responsibility and Corporate Governance (ESG) ...[Details]
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introduction
ARM processors are widely used in various successful 32-bit embedded systems due to their advantages such as high performance, low power consumption and low cost. Improving execut...[Details]
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In his opening speech, Xu Wenwei, Huawei's director and president of the Strategic Research Institute, announced that Huawei has obtained more than 50 5G commercial contracts worldwide, including 28 ...[Details]
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This article mainly discusses the impact of antenna crosstalk impairments, phase noise and timing errors on MIMO downlink system performance, as well as fault diagnosis techniques using a time-cohere...[Details]
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As the IFA 2019 exhibition approaches, a German reporter recently took photos of a number of Huawei's promotional posters near the venue. The posters generously confirmed two new color schemes of the...[Details]
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How to use: Open the serial port debugging assistant, set it to 9600 bps. The microcontroller uses a 11.0592 MHz crystal oscillator . Use sm0038 or other types of infrared receivers to connect a...[Details]
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Data transfer instructions between the accumulator A of the microcontroller and the external RAM
MOVX A,@Ri
MOVX @Ri,A
MOVX A,@DPTR
MOVX @DPTR,A
illustrate:
1) In the 51 series of single-...[Details]
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1. Half-bridge detection The half-bridge is composed of two rectifier diodes. By using a multimeter to measure the forward and reverse resistance values of the two diodes inside the half-bridge, ...[Details]
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Jiwei.com reported on June 8 that today Meizu officially launched the Meizu 18 Chinese White Dolphin Rare Edition, which the official said was a special gift for ocean lovers. Both the white panel an...[Details]
DSP and ARM Processors
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