[size=4] This push-pull output transistor amplifier HOOD1969 designed by American JHL in 1969 is timeless. Although it has only a Class A 10W output, the volume can be comparable to a 50W home amplifi...
By configuring the Linux kernel driver, porting the PPP dial-up tool in the file system, porting EC20 to the Qt system and the minimum Linux system, the software packages and documents required for th...
1. Introduction
I saw in the introduction that it has 2Kbit of EEPROM, which means 256 bytes of storage space, and uses IIC communication, so let's give it a try.
2. Analysis
Open the relevant routine...
Now I encounter Altium's crackdown on piracy in every company I go to. I heard that the license of a crappy software costs hundreds of thousands of dollars, but you can only view it. When you design w...
After working hard for several days, U-BOOT finally has some features. Although nandflash is not ready yet, booting from nandflash is not currently supported. Let’s take a picture first haha. As t...[Details]
In many cases, it is necessary to test the working current of the system, circuit or chip to understand the power consumption and working status of the system. If you only measure the static current,...[Details]
Today, more than 500,000 tons of lithium batteries are discarded worldwide each year, most of which come from small electronic products. However, as the world transitions to an electric economy, glob...[Details]
What does industrial frequency motor mean?
Industrial frequency motors refer to AC motors that use the mains frequency (usually 50Hz or 60Hz) as a power source. They are usually used in some l...[Details]
The new Xiaomi phone with the previous model number M2007J3SC has now passed the 3C certification. The model number shows that this will be the Chinese version of the Xiaomi 10T series with th...[Details]
It was learned from the "Unleashing the Potential of Connectivity - Huawei Network Innovation Technology Forum 2019" series of activities held in Shijiazhuang recently that Huawei and Hebei Mobile ha...[Details]
Electric and hybrid vehicles can charge their high-voltage battery subsystems through DC charging piles or ordinary AC power sockets. The on-board charger ( OBC ) is the core system of AC charging. A...[Details]
ROHM is developing a solar panel that can be used to power remote controls and clocks, without wiring, and to spread sensor networks throughout the home. That is the dye-sensitized solar cell (DSC)...[Details]
A Ferrite Magnetic Amplifier in a Flyback Power Supply
For a dual-output flyback supply that provides real power on both outputs (5 V 2 A and 12 V 3 A, both regulated to ± 5%), the voltage rea...[Details]
Most embedded systems use more than one power rail, and many use four or more. Individual ICs, such as FPGAs, DSPs, or microcontrollers, may have specific timing requirements. For example, one chip m...[Details]
First, let the Linux virtual machine support dnw transmission Download the compiled dnw in the link and put it in /usr/bin of Linux and you can use it How to use dnw dnw is a USB tool that sends fi...[Details]
The global manufacturing industry has entered a critical period of transformation and upgrading. Factories and enterprises have begun to use the new generation of intelligent production technology to...[Details]
1. System structure and functions
The system consists of five modules: infrared alarm module, single-chip control module, solar power supply module, lighting module, and alarm module. Ea...[Details]
With the advancement and vigorous development of the concept of Industry 4.0, machines and equipment assist or replace personnel to complete product production and processing processes more efficie...[Details]
As the signal frequency or slew rate increases, the capacitive component of the impedance becomes the dominant factor. As a result, capacitive loading becomes a major problem. In particular, capaci...[Details]