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Hello everyone, we have previously shared with you how to use the ZDS2022 oscilloscope to perform FFT analysis on waveforms. The ZDS2022 oscilloscope not only supports FFT analysis capabilities wit...[Details]
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Commonly used active power factor correction circuits are divided into two categories: continuous current mode control type and discontinuous current mode control type. Among them, the continuous...[Details]
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Compared with ordinary double-winding transformers, autotransformers have the following advantages: 1) Less consumption of materials and low cost. Because the amount of silicon steel sheets and copp...[Details]
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Samsung announced the launch of The Wall Luxury TV. The Wall Luxury is the latest version of Samsung's MicroLED-based scalable TV technology. It starts at a minimum of 73 inches and 1080p resolution,...[Details]
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The LTC3219 is an inductorless, low noise, high efficiency LED driver that provides nine independently configurable current sources for the main, sub and RGB display/display devices, and can perfor...[Details]
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Lithium metal batteries have the potential to have a much higher energy density than lithium-ion batteries, which are the dominant battery technology on the market today. However, lithium metal bat...[Details]
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There is a CPU inside the 51 microcontroller for calculation and control, four parallel I/O ports, namely P0, P1, P2, and P3, ROM for storing programs, RAM for storing intermediate results, timer/cou...[Details]
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In 485 communication, in order to facilitate testing, a test quantity was added to the front end of the 485 chip, but TTL was used for direct communication. However, in the actual PCB test, if the P5...[Details]
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1. Before using LED, you need to initialize the IO port 2. When using external interrupts, you need to initialize the IO port, configure the trigger edge, and then process it in the interrupt funct...[Details]
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As the global electrification process accelerates, the installed capacity of power batteries is also growing. According to the latest data from SNE Research, a South Korean market research organizati...[Details]
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Recently, the mold of Apple’s new iPhone case was exposed. Judging from the information summarized by all parties, the “heater-shaped” camera on the back of Apple’s new iPhone is basically a done dea...[Details]
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The heart of a modern optical coupler is an LED at the input and a photodetector at the output. They are separated by an insulating light-conducting medium. The photodetector can be a pho...[Details]
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Nowadays, with the rapid development of the Internet, the competitive differences of automobiles are no longer limited to the traditional three major components. The intelligence of the in-vehicle sy...[Details]
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Several situations of abnormal interrupt return: Important basic knowledge: R15 (PC) always points to the instruction being "fetched", not to the instruction being "executed" Instructions being exe...[Details]
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Voltage feedback circuit
Voltage feedback circuit
The voltage feedback circuit is shown in the figure. The output voltage is fed back to the UC3843 (1) pin through the integrated voltage re...[Details]