I need help. For class D amplifiers like tpa3245, the power supply is +24v and there is no negative power. What is the input signal range? The manual says it is positive and negative. How can negative...
Line Regulation 1. Definition: Also known as source effect or grid regulation, it refers to the fluctuation of output voltage with linear change of input voltage, under the condition of full load. (W...
The word "5G" is often encountered these days, such as "Huawei's 5G technology is leading, and others will catch up in 2 to 3 years", "Trump urges the United States to step up 5G/6G", and yesterday's ...
Recently, a 5A USB port was loose, so I fixed it based on the idea that electronic engineers should do more hands-on work (poor, no money, can't bear to throw it away). The effect is quite satisfactor...
Japanese media reported that the Semiconductor Equipment and Materials International (SEMI) released a forecast on July 9 that global sales of semiconductor manufacturing equipment in 2019 will decre...[Details]
According to Digitimes, Apple iPhone 13 is about to be officially released. There are reports that Apple’s 2022 iPhone will add a titanium alloy model, but the back shell-related industry said that i...[Details]
1. Introduction
Most of the existing heaters use traditional devices such as electric heating tubes and electric heating wires for heating. The outer shell of the electric heating tube is a st...[Details]
The latest research report released by the Smart Speaker and Screen (SSS) research team of Strategy Analytics, "Smart Speaker Manufacturer & OS Shipment and Usage Market Share by Region", pointed out...[Details]
There are many types of testing machines, and there are many different classification methods. According to the traditional classification method, they can be divided into five categories: metal mater...[Details]
STM32F103VB sends a logic signal to MOC3020 to control the on and off of the BTA16 thyristor. When a zero-crossing signal is detected, the output is 1 after a delay of x milliseconds; the output is t...[Details]
CANbus TDM is a powerful trigger, decode and measurement/graphing tool for LeCroy oscilloscopes that will greatly improve the ability to debug and verify CAN ECU or network performance. It combin...[Details]
CommQuest's DBS CQT6020 CASP is a single-chip QPSK demodulator/FEC decoder designed for use in set-top boxes (see Figure 1). The CQT6020 contains all functions from the analog L-band tuner output to ...[Details]
On October 21, location data and technology platform HERE Technologies announced the launch of the intelligent speed assistance map HERE ISA Map, which provides vehicle systems and drivers with insta...[Details]
This article will show you how to quickly convert parallel impedance to series impedance (and vice versa). It will also show that a graphical representation of this conversion as a function of frequen...[Details]
The topic we introduced this time is "Advanced EMC and ESD protection solutions for mobile phones. With the development of mobile phones, more and more new technologies and solutions have emerged. ...[Details]
Today we learned that Apple has pushed an update for the Windows version of the iCloud software. The document shows that Apple has added support for the "iCloud Passwords" Chrome extension, which is ...[Details]
From PCs and workstations to enterprise data centers, public clouds and NVIDIA DGX Cloud, new developer kit introduces simplified model optimization and deployment on the NVIDIA AI platform LOS...[Details]
Second registration interrupt
In this part, we take the watchdog interrupt under 3sc2410 as an example to explain the interrupt registration and calling process.
drivers/char/watchdog/s3c2410_wdt....[Details]
With the release of Qualcomm's new generation flagship chip Snapdragon 888, there have been a lot of leaks about new products from various companies recently. Recently, a foreign media exposed ...[Details]