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• When talking about high-fidelity players, people in the industry will think of CD players
• The basic principle of CD player is based on Nyquist sampling theorem. The sound that human ear ...[Details]
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introduction
When testing a certain type of launcher, three sets of precise DC voltage signals based on 11.50 volts are required. To match the test process, these three sets of signals need to...[Details]
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(1) Characteristics of a pointer-type multimeter for detecting resistors. When a pointer-type multimeter is used to detect resistors, since the two probes of the multimeter are connected in parallel ...[Details]
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April 12, 2023, China - STMicroelectronics launched the industry's first integrated digital controller chip ST-ONEHP to pass USB-IF's USB Power Delivery Extended Power Range (USB PD 3.1 EPR) specific...[Details]
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When programming 80C51 microcontrollers in C, when using sbit to define a bit variable (it seems more accurate to say constant) of a bit-addressable special function register, the compiler will proces...[Details]
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The IPM series products developed by Mitsubishi Electric Corporation of Japan belong to the third generation of intelligent power modules. It uses the third generation IGBT to replace the traditio...[Details]
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As one of the top ten string inverter brands in China, an excellent string inverter supplier in China, and a leader in the field of energy storage inverters, the company has been coordinating the d...[Details]
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This article will take the example given in "Interfacing a Single Low Dropout (LDO) Regulator to an ADC Power Supply" a step further. This example uses fewer LDOs and consolidates the ADC's power rai...[Details]
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At the previous press conference, Microsoft released two dual-screen products - Surface Duo and Neo, and now there is further news about the former, such as more specific configuration information. ...[Details]
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First, let the Linux virtual machine support dnw transmission Download the compiled dnw in the link and put it in /usr/bin of Linux and you can use it How to use dnw dnw is a USB tool that sends fi...[Details]
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The origin of smart phones can be traced back to the rise of PDA (personal digital assistant) devices in the late 1990s. At that time, PDAs mainly provided functions such as note-taking, ...[Details]
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/* HC-06 Bluetooth module ATmega16 microcontroller VCC----------------VCC GND----------------GND TXD----------------RXD (PD0 port, set input) RXD--...[Details]
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As shown in the figure, this is a fast online test circuit for diodes and transistors based on 556. The tester consists of a multivibrator and a monostable trigger, light-emitting diodes LED1 and...[Details]
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1. What will happen if the 89c52 microcontroller is not connected to a crystal oscillator?
Answer: The microcontroller is not working and the program cannot be burned in...etc.
2. If the 89c...[Details]
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1 Introduction
In the power system, DC power supply is used as a power supply for relay protection, automatic devices, and primary and secondary equipment operations. It is a very ...[Details]