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The current sampling circuit uses the true effective value conversion chip AD736. The current and voltage signals output by the main circuit are sent to the single-chip microcomputer U20 after A/D co...[Details]
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1 Introduction
Large grid-connected wind turbines generally use asynchronous generators. While asynchronous generators output active power to the grid, they must also absorb inductive...[Details]
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Multi-terminal signal bells can be used in hospital wards. A button is installed next to each bed. When the patient calls for a nurse, just press the button, and the nurse in the duty room will hear ...[Details]
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As the array of products that use pulsed signals continues to grow, including today's more energy-efficient ICs, switching power supplies and inverters, and even LED modules and sub-assemblies, the m...[Details]
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The first phase of the Hongli Mini/Micro LED semiconductor display project, themed "Sharing the True Vision", was grandly launched at the Guangzhou headquarters of Hongli Zhihui (300219). The first p...[Details]
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The DLP technology patent was first developed by Texas Instruments (TI), and its main module is the digital micromirror device (DMD). In recent years, TI has been investing a lot of manpower and mate...[Details]
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Preface
Today, there are many different methods available to meet the power needs of portable digital signal processor (DSP) solutions . Normally, two system voltages are required: one for the DSP ...[Details]
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On the evening of September 5, Jingce Electronics announced that Shanghai Jingce will receive additional capital investment from multiple shareholders, and its registered capital will increase from t...[Details]
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The four-element infrared detector uses photosensitive elements, and the alarm is triggered only when each detector detects a signal. It has stronger anti-false alarm capability and better detection p...[Details]
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On the occasion of the 75th anniversary of the birth of the transistor, Intel announced at IEDM 2022 that it will increase the density of packaging technology by another 10 times and use new material...[Details]
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introduction In the process of oil extraction, the measurement of downhole temperature is an essential measurement parameter. Accurate downhole temperature measurement plays an important role in geol...[Details]
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By: STACEY HIGGINBOTHAM Privacy and smart features that are not dependent on applications will likely drive the adoption of machine learning (ML) on constrained edge devices forward. That was the m...[Details]
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1.ARM system and architecture
1.1. The ARM system CPU has the following working modes:
User mode (usr)
Fast interrupt mode (fiq)
Interrupt mode (irq)
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Stepper Motor
In their simplest form, permanent magnet and hybrid stepper motors can be thought of as a motor with a permanent magnet attached to the rotor and two coils attached to the stator. T...[Details]
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1. Position and function of motor controller in electric vehicles
The motor controller is the core module of electric vehicles and also the decisive factor of the vehicle's power performance. ...[Details]