[i=s]This post was last edited by paulhyde on 2014-9-15 09:18[/i]
Starting from the month, noYou don't need a single-chip microcomputer to realize it; try to work in the mainstream profession, for exa...
Since I graduated last year and just started working, my salary is the lowest among my classmates who graduated with me. Of course, this is for my own reasons. I didn’t ask for a higher salary during ...
EEWorld invites you to dismantle (sixth issue): dismantle the car wireless charger - power technology
My task is to disassemble the Huawei Super Fast Charging Wireless Car Charger.The main features of...
I found a program code from a PIC textbook, about PIC16F877A for frequency capture, but after typing the source code, the digital tube has no display; the hex file attached to the textbook displays no...
The chip has 3 UARTs. UART1 and UART2 are fine when emulating with MDK, but UART3 is not. Excluding the code reason, in Debug mode, you cannot input into the UART3 dialog box. When you input something...
DC regulated power supply is a commonly used electronic device, which can ensure stable output voltage when the grid voltage fluctuates or the load changes. A low ripple, high-precision regulated p...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]
Among the many candidate standards for China's mobile TV, the CMMB standard proposed by the Broadcasting Science Research Institute of the State Administration of Radio, Film and Television is aime...[Details]
Power Integrations (PI) has introduced three charger/adapter reference designs using its new LinkSwitch-II series of AC-DC switching power conversion ICs. The new LinkSwitch-II devices use high-pre...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
Abstract:
An amplifier solution for ceramic speaker systems is presented.
Keywords:
audio; ceramic speaker; amplifier; Class G
Today's portable devices require smaller, thinne...[Details]
I hope my mobile phone has more functions, I hope my digital camera is smaller, I hope my Walkman can listen longer... Consumers are always full of expectations for the performance of portable electro...[Details]
With the continuous development of the national economy, the application of variable frequency speed regulation devices is becoming more and more extensive. How to break the monopoly of foreign produc...[Details]
1. Intrusion Detection System (IDS)
IDS is the abbreviation of "Intrusion Detection Systems" in English, which means "Intrusion Detection System" in Chinese. Professionally speaking, it monito...[Details]
China National Stadium Project Introduction
The National Stadium (Bird's Nest), the main venue for the opening and closing ceremonies of the 2008 Beijing Olympic Games, is located on the g...[Details]
With more and more countries, regions and cities legislating to require drivers to use hands-free calling systems, as well as the shrinking wallets of most consumers around the world and the uncert...[Details]
As AC induction motors become the preferred choice for industrial motors, the need to reduce power consumption in all aspects of the design continues to emerge, so improving the efficiency of these...[Details]
On July 1 this year, the "Civil Airport Management Regulations" will be officially implemented. The new regulations put forward higher requirements for the safe operation of airports. At the same t...[Details]