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Create immersive 3D sound for the virtual world
introduction The world is changing. This evolving state means that the way we interact with the world, devices and others is also changing. In addition to maki...
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What exactly is a hardware engineer?
1. What is hardware? In other words, hardware is physical, at least something you can see and touch. It is a material carrier and material foundation. Broadly s...
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How to design the peripheral circuit of ADC
ADC, i.e. digital to analog converter. For ADC, Xiaobian has introduced it in previous articles, such as the advantages and disadvantages of pipeline ADC, pipel...
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Evaluation of dynamic efficiency of class D audio power amplifier IC
The biggest feature of class D audio power amplifier is high efficiency. The advantage of high efficiency is to save power and reduce calorific value. If th...
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Principle and circuit of two-stage boost
If it is necessary to generate a high voltage from a low voltage, a boost converter can be used. It is one of three basic switching regulator topologies. It onl...
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Nine common power amplifier circuits
As a hardware engineer, especially an engineer who is a pure analog circuit and applies to audio power amplifier, he should be particularly familiar with Class ...
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Domestic ghost design, micro desktop vacuum cleaner and hairball pruning combina...
Domestic ghost design, micro desktop vacuum cleaner and hairball pruning combination, easy to clean the desktop
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Discussion on phase delay between channels in audio testing
Compared with the PC99 based logo program, the current Microsoft Windows logo program version 3 implements a new audio test. Inter channel phase delay is on...
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ChipSourceTek Take you to know the precautions for the use of CST6118 chip
ChipSourceTek takes you to know the precautions for the use of CST6118 chip: 1. It is generally recommended to add 104 capacitor from CST6118 power supply to gr...
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Why is the working voltage of many MCU 5V
5V comes from TTL level. 5 is true and 0 is false. Then the PN section with lower voltage drop is used to derive the level of 3.3. 12V and 24V come from...
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How to eliminate GS waveform oscillation of MOS transistor
For our power engineers, we often look at the input waveform, MOS switching waveform, current waveform, output diode waveform, chip waveform and GS waveform...
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Material of IC chip_ Working principle of IC chip
At present, the materials used in IC chips mainly include: 1. Silicon, which is the most important integrated circuit material at present, and most ICs are made...
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Detailed discussion on the working principle and function of intelligent hand wa...
In winter, if we do not take certain cold prevention measures, our hands will often be frostbitten and leave chilblain, which will not only leave scars, but als...
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What are the methods to detect the quality of integrated circuits
There are many models of integrated circuits, and the internal circuits are ever-changing, so it is complex to detect the quality of integrated circuits. Here a...
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What are the advantages of ultrasonic motor compared with traditional motor
What are the advantages of ultrasonic motor compared with traditional motor? Let‘s talk about it briefly below. The ultrasonic motor developed in the mid-1980s...
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Common MOSFET driving mode, parameter calculation of driving circuit
After a simple understanding of the basic principle and related parameters of MOS transistor, how to apply it in practical circuit is the direction of our e...
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What is the invisible killer of integrated circuits
We may not realize that people walking through the chemical fiber carpet may generate static electricity, which is about 35 ? 000 volts. When reading the plast...
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Principle of FET switching circuit
In MPN, the appearance of FET is very similar to the triode we talked about earlier, so many friends who repair MPN haven‘t been clear for a long time. These t...
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Tips for using 0.1uF and 10uF capacitors in parallel
When bypassing some circuits of a certain design, two channels (large capacitance and small capacitance) or multiple channels (composed of more than three small...
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What is the difference between chips, semiconductors and integrated circuits?
Chip, also known as microcircuit, microchip and integrated circuit (IC). It refers to the silicon wafer containing integrated circuits. It is very small and oft...
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