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Why common mode current is the main cause of EMI
To answer this question, it can be clearly seen from the emission model formulas of common mode radiation and differential mode radiation that the common mo...
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EMI propagation process
Electromagnetic interference is the most common problem in the process of electronic circuit design. Designers have been looking for ways to completely elim...
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How about a class D Headphone Amplifier?
How about a class D Headphone Amplifier? Class D headphone amplifiers have been around for many years. Their application mainly centers on the characteristi...
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Selection and optimization of peripheral components of DC-DC boost voltage regul...
In battery powered low-voltage applications such as portable and wearable devices, some functions often require higher voltage to work, such as RF transceiv...
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Understand brushless DC motor system
Fast - what are the three motor types? The most common answer I hear is "brushless DC motor, stepping motor and brushless DC motor", which is basically a su...
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Ten key points of gallium nitride
don‘t have time? Let‘s start here! This quick list outlines the main points of the book. Read the key points of this chapter, and if you are interested in...
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The function of electrolytic capacitor in circuit design
"Common faults of electrolytic capacitors include capacity reduction, capacity disappearance, breakdown short circuit and leakage. The capacity change is c...
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How to shrink USB Type-C battery charger
The new USB 3.1 type-C standard greatly simplifies the way we interconnect and power our electronics. The standard uses a USB type-C connector to transfer u...
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How to fully extend battery life? You should master these power design elements!
With the continuous development of remote patient monitor (RPM), more and more functions are included, so that doctors can better understand the health stat...
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Circuit applied to battery capacity measurement
Batteries and energy batteries will lose capacity as they age. If the battery or battery capacity is too low, our equipment may also stop working soon. We c...
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Why is the "ground" of the input capacitor "hot ground" after AC-DC conversion
Why is the "ground" of the input capacitor "hot ground" after AC-DC conversion,The small partner in power R & D must have heard not to be wrongly grounded. The ...
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Distinguishing method of low level and high level
High level and low level are mainly used in digital circuits. It is reflected in the circuit that there are only "yes" and "no", and there is no intermediat...
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Simple application schematic diagram of two AXS2022 power amplifiers with dual c...
Simple application schematic diagram of two AXS2022 power amplifiers with dual channel stereo output 5.2W*2
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Simple application schematic diagram of two AXS2020 power amplifiers with dual c...
Simple application schematic diagram of two AXS2020 power amplifiers with dual channel stereo output 5.2w*2
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Simplify BLDC motor control design
There is a growing trend from brush motor to brushless motor, especially in the development of energy-saving battery power supply system, because BLDC motor...
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Let‘s talk about audio analog-to-digital rotation with asynchronous decimation ...
This application note will introduce audio analog-to-digital conversion with asynchronous decimation filter. It puts forward the requirements of high freque...
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Selecting an audio amplifier for smart wearable devices
"Audioamplifier" is the main component of hearabledevices (whether wired or wireless) inserted into or behind the ear. For the design of the listening a...
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eSOP10 Built in boost ZC8811 dual channel stereo output 5.4w*2 simple single app...
eSOP10 Built in boost ZC8811 dual channel stereo output 5.4w*2 simple single application schematic diagram ZC8811 characteristic： Class AB and class D switchin...
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Discussion on PCB layout of boost DC/DC converter
"As mentioned in" current path of boost dc/dc converter ", there are two paths for circuit wiring in PCB layout of boost dc/dc converter, one is that it wil...
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Simple application schematic diagram of two AXS2018 power amplifiers with dual c...
Simple application schematic diagram of two AXS2018 power amplifiers with dual channel stereo output 5.5W*2 Ab/D switching function Class D output power： －...
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