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Introduction: This paper introduces a new PWM output method. It uses 89C51 as the main control part and 8254-2 programmable timer/counter to realize 1Hz~3kHz step-by-step PWM output. It has the advan...[Details]
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When using the pointer multimeter's AC voltage block to detect and determine whether it is a sinusoidal AC voltage, you should first use the two test leads to test the voltage once, then swap the tes...[Details]
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There are many names for molded coils, such as: molded inductor, molded inductor, injection molded inductor, injection molded coil, adjustable inductor, adjustable coil, molded adjustable inductor, sm...[Details]
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On April 25, the world's power battery giant CATL recently released the Shenxing PLUS battery, which is also the world's first lithium iron phosphate battery with a range of 1,000 kilometers. It al...[Details]
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1 Introduction
Grain temperature detection technology is one of the four major technologies for grain storage in my country. It can dynamically monitor the temperature changes of grain in the wareh...[Details]
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The method for measuring the voltage value VZ of the Zener diode is as follows: 1. Single meter measurement method This method is applicable to pointer multimeters. If the voltage stabilizer di...[Details]
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Abstract:
Taking the flyback
switching power supply
as an example, based on the analysis of the common-mode conducted
EMI
mechanism formed by its high-frequency transformer, the...[Details]
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It is reported that NXT Health, a non-profit design company abroad, has launched a project called "Ward 2020", which aims to redesign the wards that have remained unchanged for decades, in order t...[Details]
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(l) Classification by sensor structure l) Axial type (ordinary type) The impeller axis center coincides with the pipeline axis. It is TUF's leading product and has a full range of products (DN10 ...[Details]
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Some provisions of the "Chips and Science Act" recently passed by the U.S. Congress restrict the normal economic, trade and investment activities of relevant companies in China, reflecting the deep-r...[Details]
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Recently, RayLED Semiconductor announced the completion of a Pre-A round of financing of tens of millions of dollars, led by Gaorong Capital and followed by Yaotu Capital. The funds raised in this ro...[Details]
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1. Introduction
With the development of my country's petroleum industry and the need for oilfield development, in order to improve the oil production speed and final recovery rate of oilfields...[Details]
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X1226 has the functions of clock and calendar. The clock relies on hour, minute and second registers to track, and the calendar relies on date, week, month and year registers to track. The calendar c...[Details]
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The transformer design is summarized.
1. Known parameters
These parameters are determined by the designer based on user needs and circuit characteristics, including: input voltage Vin, output ...[Details]
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On October 14, Neijiang Vice Mayor Bi Sheng led a team to the Chuanwei Lianjie Base to care about the development of the enterprise. Neijiang Municipal Government Deputy Secretary-General Peng Yun,...[Details]
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