[i=s]This post was last edited by qwqwqw2088 on 2019-7-25 16:17[/i]High frequency critical conduction mode (CrM) totem pole power factor correction (PFC) is a simple approach to design high density po...
While power management is important to almost all electronic devices, it is not often the focus. Power management systems can improve product reliability and performance and often support a wide range...
The code is as follows: #include
#include
#include
void main() { int i=50,j; char a[]="hello world."; while(i) { for(j=0;j
I remembered printing the Buddha
What's the use? There is no exit conditionen...
There are three groups of circuits as shown in the figure (the 6291 above has only one group). If the 1st PIN of CN1 is connected to DGND by mistake during the test, what may happen? There are also so...
When I used AD software to design a 6-layer board, I found a phenomenon. My fourth layer is the POWER layer, which divides the system power supply. When I need to drill vias for network connection, I ...
Some insulating objects (such as plastics, porcelain, etc.) can reach a stable value in an instant under the action of DC voltage. However, for electrical equipment such as generators, transformers, m...[Details]
April of each year is basically the peak season for air conditioner sales. Therefore, it used to be the peak period for air conditioner brands to release new models. However, this year, air condition...[Details]
The rapid development of global science and technology
has brought
a wave
of intelligence
to
the automotive industry
, and
intelligent driving
technology has gradually moved f...[Details]
Introduction: This paper proposes a drunk driving monitoring and tracking vehicle system based on AVR microcontroller, and the main control chip is ATmega16L from Atmel. This article proposes a veh...[Details]
1. Temperature and pressure compensation for dry gas flow measurement Due to the compressibility of gas, its flow measurement is more complicated than that of liquid. The output signal of the instrum...[Details]
This is the relationship between the oscilloscope waveform refresh rate and the displayed waveform on the screen. The refresh rate of the oscilloscope screen is 50-60 Hz. The waveform update rate o...[Details]
With innovative technology and high-quality products, we help the industry meet the challenges of high-power power supply
Beijing, China, August 8th -
The 2024 Open Compute China...[Details]
The success story of the iPod is the latest and most powerful proof that touch sensing technology is bringing breakthroughs to the industry. There is no doubt that this technology has significant ad...[Details]
The main function of the watchdog timer is to reset the system when the program runs away due to interference, thereby preventing the system from running away and improving system stability. Let's fi...[Details]
A few days ago, Wenyi Technology issued an announcement stating that due to recent changes in the internal and external market environment, Tsinghua Holdings terminated the transfer of its 36% stake ...[Details]
I just adjusted the operation of 24c256, and made a continuous read and write function in the program! I was annoyed by the problem of page writing across pages, so I simply made a more general functi...[Details]
Polarity reversal boost power supply circuit composed of LT1172
As shown in the figure, a polarity reversing boost power supply is formed by a boost switching regulator LT1172. The output voltag...[Details]
Recently, according to industry insiders, many flat panel manufacturers in Japan, South Korea, Taiwan and mainland China are developing inkjet printing OLED technology, and Japan's JOLED may be the f...[Details]
01
Information security requirements
This chapter mainly introduces the information security requirements from four aspects: hardware security, system security, communication security, an...[Details]
Analogue and Mixed Signal
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