XS9971 a is an ultra-low EMI, filter free, Class-AB / D optional audio power amp...

XS9971是一款低EMI，无需滤波器， AB/D类 可选式音频功率放大器。5.5V 工作电压时，最大 驱动功率为5.5W（VDD=5V,2Ω BTL 负载， THD<10%），音频范围内总谐波失真噪声...

ChipSourceTek Take you to know the precautions for the use of CST6116 chip

ChipSourceTek takes you to know the precautions for the use of CST6116 chip: 1. 104 capacitance is recommended for CST6116 power supply to ground. If the power ...

Understand the differences between common mode inductance and differential mode ...

In filters, switching power supplies and other products, in order to resist electromagnetic interference, we often use two components, common mode inductan...

Eight circuit fault detection methods

Electronic circuit troubleshooting can generally be detected by input to input sequence or by reverse method from output to input. No matter from which dire...

Explanation of the difference between sound line and audio line

Audio line: a line used to convey dynamic. It is composed of audio cable and connector. AV line is the most commonly used audio line. Audio line: the line speci...

Do you know the classification and characteristics of common power amplifiers

What is a power amplifier? Power amplifier (English Name: power amplifier), referred to as "power amplifier", refers to the amplifier that can produce the maxim...

Voltage conversion at low energy level

Author: Frederik Dostal, ADI Field Application Engineer This paper will introduce a new class of DC-DC converters, one of which is ltc3336. It consumes only...

Jiejie microelectronics power semiconductor "vehicle specification level" sealin...

The second key point of the effective use of coupling capacitance is to reduce the ESL of capacitance (i.e. equivalent series inductance). Although it is sa...

Confused source of mixed signal grounding

Most ADC, DAC and other mixed signal device data books discuss grounding for a single PCB, usually the manufacturer‘s own evaluation board. When these prin...

Understand the audio frequency range and audio components

Jeff smoot is vice president of application engineering and motion control at Cui devices From cars to homes to portable devices, audio is everywhere, a...

Detailed analysis of the relationship between power ground and signal ground

The power ground is mainly for the path of the power circuit current. Generally speaking, the current flowing through the power ground is large, while the s...

Principle of boost circuit

Generally, the switch Q1 turns on the inductive energy storage and the capacitor C supplies power. After the switch M1 is closed, the left negative right posi...

Introduction to impedance of horn

The common impedance mentioned in general audio equipment include the impedance of the horn, the input impedance of the front and rear stage amplifier, the outp...

Composition of solar power supply system

Solar energy is an inexhaustible, inexhaustible and pollution-free green energy given by nature, but it has the characteristics of randomness and intermittence....

LG Innotek has developed the world‘s smallest "low-power Bluetooth module"

LG Innotek (representative: Zheng Zhedong) claims that the company has successfully developed the world‘s smallest Bluetooth module. With the help of this ...

Types of power amplifier and several important parameters of power amplifier

Read the basic knowledge of capacitors and capacitors

I believe everyone is familiar with capacitance. Even if you haven‘t seen it, you have heard it. In today‘s life, capacitance is one of the essential comp...

Take you to know the precautions for the use of CST8002D audio power amplifier c...

CST Description: silicon source technology is the Chinese name, chipsourcetek is the English name, and the company‘s subordinate products are named CST, Zh...

What are the balanced charging methods for lithium batteries

At present, there are mainly the following methods to realize the uniform charging of each single battery of series battery pack: 1. A parallel equalizing circu...

Question and answer of loudspeaker class D power amplifier

What are the advantages of loudspeaker class D power amplifier? The efficiency of power amplifier can be obviously improved by using class D switching ampli...