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In modern AC speed control systems, whether variable frequency speed control or double-fed speed control is used, a power electronic transformer inverter that can simultaneously control voltage amp...[Details]
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Bluetooth technology is a communication protocol for personal wireless networks. It originated from an advanced short-range wireless communication technology jointly launched by five companies incl...[Details]
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Introduction
The MAX9860 provides the system blocks and performance required for Skype voice capture, with any gain between 0dB and 50dB (1dB steps) selectable between the microphone input pin and ...[Details]
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1. When burning pic16F1938 through pic kit3, pic kit3 automatically updated the firmware, but still could not burn pic16F1938. Then, when burning pic18F45k80 with pic kit3 again, it always showed tha...[Details]
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According to foreign media reports, Japan will allocate 600 billion yen, or about 5.2 billion US dollars, from the supplementary budget for fiscal year 2021 to support chip manufacturers in building ...[Details]
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EVM characterizes modulation accuracy and is a key indicator for measuring the quality of digital modulation in modern wireless communication systems. EVM is the vector difference between the ...[Details]
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With the development of technology, the design and application of embedded systems have had a great impact on people's lives and will gradually change people's future lifestyles. Developing applicati...[Details]
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Application background In some special protected environments, the measured object can only be measured through one aperture (such as a hole, pipe...), and the requirements for protective measures ar...[Details]
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Sina Mobile News reported on the morning of July 1 that Lu Weibing, Vice President of Xiaomi Group and General Manager of Redmi brand, announced on Weibo that the monthly sales of K20 series mobile p...[Details]
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1. PLL (Phase Locked Loop) In order to reduce electromagnetic interference and reduce inter-board wiring requirements, the frequency of the crystal oscillator connected to the chip is usually very lo...[Details]
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The dual-output SEPIC (Single-Ended Primary Inductance Converter-single-ended primary inductance converter) converter circuit is shown in Figure 1. In this circuit, the Linear company's step-down...[Details]
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In the future era of the Internet of Things, the IoT gateway will play a very important role. It will become the link between the perception network and the traditional communication network. So how ...[Details]
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Let's take a look at the structure of the timer/counter Let's look at the following example again in comparison with the above figure: This example implements the following matching funct...[Details]
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Ladder programming is a method of building process control programs based on logic components (AND gates, OR gates, NOT gates) and control elements (counters, timers, comparators, etc.). In PLCs, l...[Details]
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Since the Chinese auto market failed in the "golden September and silver October" last year, there has been an endless stream of information about layoffs and suspension of production by automakers. ...[Details]
DSP and ARM Processors
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