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Design of Audio Processing System Based on DSP and ARM
With the rapid development of computer technology, electronic technology and communication technology, audio processing technology has been widely used in m...
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Analyzing how to select touch interactive devices from a technical perspective
Recently, some new voices have been heard, believing that the combination scheme of interactive electronic whiteboard and projector is outdated, not only in...
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Design and Research of Current Limiting Protection Circuit Based on PWM
Abstract: A very important content in the design of switching power supply is the design of overload protection function, especially in the space field. Bec...
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Some points that every electronic engineer should know about oscilloscope
Among all the test equipment that electronic engineers and technicians need to use, oscilloscope is undoubtedly the most useful one. The powerful function o...
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12 switch high brightness LED matrix manager to upgrade lighting
For automobile manufacturers, lighting is an increasingly important element of differentiated design. Headlamps, which are directly related to the "appearan...
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PCB High Speed Circuit Board Layout Design Guide
• Prepare for high-speed PCB layout • Device placement and PDN development in high-speed design • Practical PCB high-speed wiring suggestions ...
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Signal packet grounding and crosstalk
Protective ground wire is often used for isolation in engineering to suppress mutual interference between signals. It is true that the protective ground wir...
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How to select voice chip and how wide is the application range of voice chip
Chip is a very important electronic device. It can be said that enterprises or countries with strong chip manufacturing capabilities occupy an important pos...
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How to select the appropriate LDO for satellite applications
Radiation tolerant low drop voltage regulator (LDO) is an important power supply component for many aerospace level subsystems, including field programmable...
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Do you know how important low Iq LDO is for wearable devices to achieve long bat...
Using a linear low dropout voltage regulator (LDO) with low quiescent current (Iq) can prolong the battery life of wearable devices and wireless Internet of...
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Bridging Method of Class D Power Amplifier IC
Compared with traditional Class A, Class B or Class AB linear amplifiers, Class D audio amplifiers have many advantages. Linear amplifiers can have higher e...
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Low power Bluetooth brings high-energy communication to wearable devices
Wearable devices are widely used, including medical care, sports and fitness, games, lifestyle, industry and military. They monitor various parts of the bod...
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Differences between analog and digital MEMS microphones in system design
There are obviously different considerations in the design of analog and digital microphone output signals. This paper discusses the differences and factors...
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What is I/O drive capability
It is often heard that the drive capacity of an I/O of MCU is xxmA, so what exactly is the drive capacity? If the driving capacity of an IO is 5mA, can it n...
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Learn the noise characteristics of switching regulators
There are many different switching regulator topologies. Some topologies are widely used, such as the classic buck converter, also known as the buck convert...
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Operation dilemma of LDO: low margin and minimum load
The latest gigabit analog circuits based on deep submicron technology have lower and lower requirements for power supply voltage, which is less than 1V in s...
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Working principle of 12V lithium battery protection board
12V lithium battery protection board, 16 series lithium iron phosphate battery protection board, 18650 battery protection board, and circuit board manufactu...
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Main Factors Affecting the Efficiency of DC-DC Converter
This paper introduces in detail the calculation and prediction technology of the loss of each component in the switching power supply (SMPS), and discusses ...
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Example of regulating current of boost power supply in LED string
In this configuration, the peripheral is configured as a fixed frequency power supply that generates most current modes. The COG is a complementary output gener...
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Detailed Knowledge of Parasitic Capacitors
Power ripple and transient specifications will determine the size of the required capacitor, and also limit the parasitic composition settings of the capaci...
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