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What are the characteristics of analog signals and digital signals?

Analog signals and digital signals are two different types of signals that have different characteristics in many ways. Here is a comparison of their main featu...

Digital power amplifier and analog power amplifier advantages and disadvantages

The basic circuit of the "digital power amplifier" is the long-existing Class D amplifier (called Class D amplifier in China). Previously, due to price and tech...

This section describes basic parameters of the lithium battery

This is one of the parameters that people care about. Battery capacity is one of the important performance indicators to measure battery performance, it indicat...

The use and difference between pull-up and pull-down resistors

What is a pull-up resistor? Pull-up resistance and pull-down resistance are resistance components, the so-called pull-up resistance is connected to the positive...

What is a differential signal? Difference between differential signal and single...

Differential transmission is a signal transmission technology, different from the traditional approach of one signal line and one ground line (single-ended sign...

There are advantages and disadvantages of brush motor and brushless motor

Brush motors, also known as DC motors, work on the principle that the rotor inside the motor produces rotating motion through the force of the current in the ma...

The difference between NMOS, PMOS and triode

A MOS Transistor is a type of Field-Effect transistor (FET), whose name is derived from Metal-Oxide-Semiconductor. MOS tubes include two types: NMOS (N-Channel ...

CCM mode and DCM mode of Boost circuit

The Boost circuit can operate in current discontinuous mode (DCM) and current continuous mode (CCM). CCM working mode is suitable for high-power output circuit,...

Influence of power amplifier on sound quality

The power amplifier is a part of the sound system, which has an important influence on the sound quality. The power amplifier is the device that amplifies the a...

Causes and solutions of MOS tube breakdown

mos transistors are metal-oxide-semiconductor field-effect transistors, or metal-insulator (insulator) -semiconductors. The source and drain of MOS tube can be ...

Design of Texas Instruments HD audio system

In response to customer demand for top audio quality, audio system designers are looking into high-resolution or high-definition (HD) audio, as more and more mi...

The role of magnetic beads in solving EMI and EMC

(magnetic beads), like inductors, is a common device used to solve EMI and EMC problems, and its main role is to suppress high-frequency conducted interference...

The relationship between the sampling frequency of digital power amplifier chip ...

The sound quality of digital power amplifier has been plagued by many people, the bass is good, the treble is harsh, in fact, it is true that we have found this...

What is low-power design? Is low power design necessary?

Low power design is a technique that aims to reduce the overall dynamic and static power consumption of a product or integrated circuit. The goal of low-power d...

Frequency and sampling rate of digital power amplifier chip

How to calculate CAN special baud rate

CAN bus adopts asynchronous serial communication, that is, there is no separate clock line to ensure the consistency of the clock between each transceiver, each...

Characteristics and applications of traveling wave tube

Travelling-wave tube (TWT) is a microwave electron tube which realizes amplification function by continuously modulating the speed of electron beam. In the TWT,...

Fingerprint identification chip market overview

The fingerprint recognition chip has become a hot product in the market because of the adoption of Apple‘s (iPhone) iPhone 5S, and many IC design companies hav...

Comparison of synchronous reset and asynchronous reset

For asynchronous reset, the reset can occur at any time, on the surface, it has nothing to do with the clock, but the real situation is that asynchronous reset ...

New ways to prevent battery insertion by mistake

As long as it is a battery-powered system, this problem has always existed: you mistakenly load the battery, and you reverse the positive and negative terminals...