When testing the Vds waveform of the MOS tube of the SR synchronous rectification, I zoomed in on the oscilloscope cycle. Why are there peaks and valleys? Isn't it just a high and low square wave wave...
The situation is as follows: As a rookie, I don't know much about chips. I connected the 4V signal P2[10] to the external interrupt 1. It was able to run at first, but after a while, the above situati...
:carnation: I know KEIL C51 is OK.This is used to develop programs in several parts or to patch them.[[i]This post was last edited by oayzw on 2012-7-19 09:08[/i]]...
The problem with CCS version 3.3is as follows:the program is running in RAM. After loading the program, click Run, and it runs normally, and PWM has output.However, after clicking Halt, CCS shows that...
Suppose a typical differential amplifier is as shown in the figure:Offset is caused by: 1. Caused by mismatch of output resistance Rc2. Caused by mismatch of tubeTo solve the offset, external zero adj...
0 Introduction
With the development of society, people pay more and more attention to security work. Monitoring products have been used in various fields instead of being used only in importan...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
With the rapid development of cities and the improvement of citizens' living standards, the number of various vehicles in cities is growing, and the demand for parking spaces in major commercial an...[Details]
Electric bicycles have long been a means of transportation for lower-income groups due to their affordability. The largest concentrated expense in the use of electric vehicles is the cost of replac...[Details]
At present, with the diversification of portable products and the almost harsh requirements for audio and video parts, the power consumption requirements of the whole machine have been raised to a ...[Details]
It should be understood as follows: DC-DC means direct current to direct current (conversion of different DC power values). Anything that meets this definition can be called a DC-DC converter, incl...[Details]
1. Introduction
With the rapid development of computer technology, communication technology, and integrated circuit technology, the large-scale application of field control instruments and equ...[Details]
0 Introduction
With the development of virtual instrument technology, new measurement and control methods that use "virtual instruments" to replace traditional instruments are replacing trad...[Details]
1 Introduction
With the rapid development of my country's economy, the country has introduced a series of policies such as preferential policies, subsidy policies, and old-for-new policies, wh...[Details]
introduction
In the late 1990s, due to the great safety issues of liquid cobalt lithium-ion batteries, people studied and developed polymer lithium-ion batteries. In addition to the performanc...[Details]
3. Driving circuit design
The power driver uses a field effect tube, which is a field-controlled device with a capacitance effect between the gate and source, so it has high requirements for t...[Details]
The Challenge:
Develop a communications-flexible portable measurement device that can record
high-frequency transients
in power systems
and display the data online to multiple users...[Details]
1 Introduction
In order to realize intelligent electronic counting and frequency measurement and realize a wide-range, high-precision frequency meter, an effective method is to use a single-chip m...[Details]
1 Introduction
Microwaves use their unique functions to develop new technologies in the application field, including microwave communication, microwave measurement, microwave heating and other...[Details]
Power technology
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