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1. Introduction Average current control in CCM operation is the most typical control scheme, which is widely used in high-power APFC converters, such as UC3854-based converters. Compared with peak c...[Details]
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The BOE Wuhan 10.5-generation LCD production line visit and TV display technology tasting event with the theme of "Seeking the Source" was held in Wuhan. At a time when the current TV industry and ...[Details]
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Discussion on LED technical standards and testing methods
LED lighting fixtures are composed of LED light sources, electrical accessories and appliances. It uses semiconductor light-emitting device...[Details]
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Most engineers underestimate the importance of probes. Without probes, an oscilloscope is useless. Probes allow you to observe what is happening with the device under test. There are hundreds of pr...[Details]
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introduction
The widely used wireless mouse is powered by batteries. Replacing batteries brings inconvenience to users. Here, a contactless power transfer (CPT) circuit suitable for wireless...[Details]
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1. Implement 1+2+3------+100
AREA test02,CODE,READONLY
start
MOV R0,#0
MOV R1,#1
MOV R2,#1
LOOP
ADD R2,R2,R0
ADD R1,R1,#1
CMP R1,#101
BEQ label
ADD R2,...[Details]
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Shanghai, China, September 5, 2023 - Aixin Yuanzhi announced that from September 4 to 6, with its strong chip self-research capabilities and implementation results on the intelligent driving track, A...[Details]
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Taking 12V DC power supply and 12V AC power supply as examples, the differences between DC and AC power supplies are analyzed from several aspects such as loss, usage, measurement, and safety.
...[Details]
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Introduction Display systems play an increasingly important role in industry, agriculture and daily life. Therefore, it is of great significance to design and study them. CPLD (Complex Programmabl...[Details]
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The stepper motor is an open-loop control element that converts electrical pulse signals into angular displacement or linear displacement. In the case of non-overload, the motor's speed and stop po...[Details]
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Single section measurement Measure the status of a single battery, including voltage, internal resistance, and battery capacity. The measured data is stored sequentially and can be queried. illustra...[Details]
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As we all know, the research of communication technologies must start long before they officially enter the market. Although 5G has just begun to be promoted, the communication industry has already b...[Details]
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With the rapid economic development and the continuous advancement of urbanization, various social contradictions and violent incidents have gradually increased, and the emergencies and abnormal ...[Details]
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Parameter characterization requires both current-voltage (IV) testing and capacitance-voltage (CV) testing. So how do you build an accurate IV and CV test measurement system? The process technologi...[Details]
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Ring Rolling Machine Operation
"We chose to use NI products because of their fast communication speed, high reliability, customizable high-speed linear processing logic units, real-time...[Details]
Linux and Android
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