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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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Working principle of capacitive touch chip
There is an inductive capacitance between any two conductive objects. A key, that is, a pad and the earth, can also form an inductive capacitance. When the ...
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Principle and Application of Zener Diode
To understand the operating principle of the zener diode, you only need to understand the reverse characteristics of the diode. The basic characteristic of ...
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Power line noise: common mode interference, differential mode interference
Power line noise is caused by the electromagnetic disturbance generated by various electrical equipment in the power grid propagating along the power line. ...
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Ultra low quiescent current power supply chip provides longer battery life
One of the most critical challenges in today‘s electronic design is to reduce energy consumption. Power management is an important design consideration for...
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How to use multithreading or multi-core to design digital audio system
If your MCU application needs to process digital audio, consider using a multi-threaded approach. Using a multithreaded design approach enables designers to...
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