This reference design (PMP4301) is a single-stage power factor corrected LED driver using the Texas Instruments UCC28810 LED lighting power controller. The LED applications focus on fluorescent tube r...
3. Superficial evaluationAC motor variable frequency speed regulation technology has developed rapidly thanks to the high development of power electronics and microelectronics technology. Its applicat...
1. Sensor: A device or apparatus that can sense a specified quantity and convert it into a usable output signal according to certain rules. It usually consists of a sensitive element and a conversion ...
[i=s]This post was last edited by dontium on 2015-1-23 11:33[/i] [backcolor=rgb(255,255,255)]1. The source follower introduces significant noise, [why][/backcolor] [backcolor=rgb(255,255,255)]2. Diffe...
[size=14px]I would like to ask, how is the ADC error of MSP430FR5969 calculated? [/size] [size=14px]I use a 12-bit AD, the reference voltage is: * Vref+ = AVcc * Vref- = AVss AVCC = 3.3V[/size] [size=...
Today, with the increasing integration of functions, mobile phones can also be used as portable media players (PMP), digital cameras, handheld computers (PDAs), and even global positioning systems ...[Details]
introduction
Throughout the history of automotive lighting, power has always played an important role. Initially, cars only needed headlights to see the road in the dark. Later, other light so...[Details]
This paper establishes a fuel cell engine test platform based on the NI integrated hardware and software environment. This platform can realize the test and control of fuel cell engines and their a...[Details]
5. Identifiers and keywords of C language
A complete PIC microcontroller C language program usually consists of six parts: include files (i.e. header files 1, variable definitions, variable de...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
As a simple and practical input device, buttons have been used in various microcontroller application systems and are ubiquitous. However, the buttons used in different practical occasions are also...[Details]
I've been studying dot matrix recently. It looks simple, but it takes a while to master it completely! The 8*8 dot matrix hardware circuit I'm making now is like this. The row is driven by 74HC138 + t...[Details]
1 Introduction
There have been many studies on the detection and protection of power grid short circuit and line fault. The short circuit, overload and overvoltage protectors on the market have ...[Details]
Single-chip microcomputers are widely used because of their small size, powerful functions and low price. This article introduces the method of designing a micro electronic piano using the AT89C51 sin...[Details]
Abstract: In recent years, with the establishment and grid-connected power generation of a large number of solar photovoltaic power stations at home and abroad, photovoltaic grid-connected inverter...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
With the rapid development of the national economy, lifting and hoisting operations are used more and more frequently and widely in various fields of economic construction. China has continuously expl...[Details]
IntroductionLED
billboards are a kind of information display terminal for the public, which has a wide range of civil and commercial values. However, the information displayed on most LED bil...[Details]
At present,
the control system used in
automobiles
can be divided into three parts from the functional point of view:
sensor
unit, control unit and execution unit. Among them,
th...[Details]
Designing low power circuits while achieving acceptable performance is a difficult task. Doing so in
the RF
bands increases the challenge dramatically. Today, nearly everything has wireless...[Details]
Analogue and Mixed Signal
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