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Five-way frequency circuit
When the counting pulse is input from INB, QB, QC, and QD are output, forming a quinary counter (also called a five-frequency division circuit), as shown in Figure 2-3...[Details]
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;The chip is EM78P153 ;P64, P65 are connected to the crystal oscillator, the oscillation mode is 4MHz crystal oscillator ; Watchdog off, instruction cycle is 2 CLOCK, P63 is reset pin ;**************...[Details]
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1. Requirements and network structure of 3G transmission network
Compared with 2G services, 3G services have undergone fundamental changes in both content and form, and therefore have put forw...[Details]
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LED chip production process
Front-end process flow chart
Poor cleaning before ITO evaporation causes the welding wire to fall off the electrode
Packaging fact...[Details]
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Researchers have introduced a new, low-cost all-solid-state lithium-ion battery cathode. Image credit: Georgia Institute of Technology
According to the latest issue of Nature Sustain...[Details]
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On the evening of July 20, Huawei Consumer Business CEO Richard Yu wrote, "Today I went to our service store to experience the free film service for Mate Xs. After the replacement, my phone lo...[Details]
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According to CNET, the Wi-Fi Alliance officially launched the next-generation Wi-Fi certification program today (16). The program will certify wireless devices that use the next-generation 802.11ax W...[Details]
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Voice is the most natural way of human-computer interaction, but for a long time before, it was limited by factors such as voice recognition, artificial intelligence network bandwidth, etc., and it...[Details]
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0 Introduction
Semiconductor power devices have generally gone through three stages according to the material classification. The first generation of semiconductor power devices is mainly ...[Details]
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Today, traditional lighting can no longer meet the needs of today's social development. With the innovative development of technologies such as AIOT, big data, cloud computing, and artificial intelli...[Details]
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According to Jiwei.com, industry sources revealed that Samsung Electronics is expected to submit information about its chip business to the US government before the November 8 deadline. Image sourc...[Details]
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The MAX1437B is an 8-channel, 12-bit analog-to-digital converter (ADC) with fully differential inputs, a pipelined architecture, and digital error calibration for fully differential signals. The AD...[Details]
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Huawei released the Mate 30 series of mobile phones in Munich, Germany. Judging from the products displayed on site, the Mate 30 series does not come pre-installed with Google's GMS ecosystem service...[Details]
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Recently, a number of top photovoltaic companies jointly held the 2014 "Light Energy Cup" Outstanding Enterprise Award Ceremony, with nearly 300 guests participating. TBEA Xi'an Electric Technolo...[Details]
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Common dimming methods include bidirectional thyristor dimming, trailing edge dimming, ON/OFF dimming, remote control dimming, etc. Thyristor dimmers have been used in traditional incandescent lamp...[Details]
Microcontroller MCU
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