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This article takes the mf50 pointer type as an example to introduce the specific method of using a multimeter under amateur conditions to quickly determine the polarity of an electret microphone and ...[Details]
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Step 1: Differentiate results In fact, if you randomly pick an oscilloscope of the same grade from another brand, with the same probe and the same settings, and use it to measure the same fault signa...[Details]
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Recently, the Supreme People's Court made a final judgment on six patent (application) rights disputes between Duntech Technology and Xinwei Technology and its general manager Mo Lianghua. It was det...[Details]
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Let's take the startup code of the ARM Cortex_M3 bare core as an example to do a simple analysis. First, three tasks are completed in the startup file: 1. Initialization of stack and heap 2. Locate ...[Details]
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Recently, Wuhan City issued the "Several Policies of Wuhan City to Accelerate the High-Quality Development of the Integrated Circuit Industry" (hereinafter referred to as "Several Policies"), and lau...[Details]
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1 Introduction
Signal generators are widely used in teaching experiments and scientific research projects. Direct digital frequency synthesis technology (DDS) has the advantages of high freque...[Details]
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The news of Xiaomi's cooperation with Leica shocked the technology circle. Before this, Leica had always cooperated with Huawei. Leica is the best camera brand in the world. In the past, it was gener...[Details]
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While standard internal combustion engine
powered
vehicles can relatively easily source the electrical needs of the onboard systems from a 12V battery supply and a corresponding 12V/14V alter...[Details]
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Attached here is the receive interrupt source code #ifdef _RAISONANCE_ void USART_RX_IRQHandler(void) interrupt 28 #endif uint8_t cnt_USART; #ifdef _IAR_SYSTEMS_ #pragma vector=30 __interrupt void US...[Details]
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BYD Han is a representative work of BYD's brand. It is of great significance. Previously, we briefly sorted out the controller interface of BYD Han (BYD Han ECU interface sorting). Now let's take a...[Details]
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Ericsson, a Swedish fifth-generation mobile communications (5G) base station equipment manufacturer, announced on its official website that it has won 95 commercial 5G contracts at this stage, surpas...[Details]
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Voltage - Higher supply voltage means greater voltage swings and more emissions, while lower supply voltage affects sensitivity. Frequency - High frequencies produce more emissions, and periodic sign...[Details]
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Leading the infinite possibilities of the future, Rockwell Automation is ready to make its debut at the CIIE! A 360-degree intelligent manufacturing feast, Rockwell Automation made a grand appearan...[Details]
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The XCM526 series is a multi-mount IC that has a general-purpose step-down DC/DC controller IC and a P-channel power MOSFET built in. The built-in P-channel power MOSFET is a low-on resistance, hig...[Details]
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introduction
In industrial control, electrical equipment usually works in three-phase power supply, and many electrical equipment have high requirements for the corresponding working power...[Details]