This article comes from the InternetToday, there are more and more possible causes of RF interference, some of which are obvious and easy to track, while others are very subtle and difficult to identi...
TI's UCC28780 is a high-frequency active clamp flyback controller with fully and partially zero-voltage switching (ZVS) primary FETs with adaptive control, programmable timing for external Si or GaN F...
As shown in the figure, what is the role and principle of adding a ground via hole near the via hole of the routing? The vias of the PCB board can be classified into the following types according to t...
Generating PWM Waves Using Timers
PWM stands for Pulse Width Modulation. By controlling the duty cycle of high-frequency signals, the eye acts as a low-pass filter to control brightness. By changing t...
I want to debug the LIS25BA sensor. I don't have a level conversion chip, so I want to change the NUCLEO to 1.8V power supply.
For debugging convenience, I first changed the 3.3V LDO of ST-LINK to 1.8...
1. Startup code generated by Keil C Program Listing 1.1 AT89C51 startup code $NOMOD51 //Do not use the default special function register 51 ;----------------------------------------------------------...[Details]
The function of the PLC instruction simulation module is to give certain meanings according to the syntax and semantic structure of the people who have read it, so that it has the function of the P...[Details]
The power module, with its modular design, allows users to shorten the product design and development cycle to the greatest extent. It is easy to use, but do you really know how to use it? If the pow...[Details]
Three different clock sources can be used to drive the system clock (SYSCLK): ● HSI oscillator clock ● HSE oscillator clock ● PLL clock These devices have the following two secondary clock so...[Details]
2018 is Intel's 50th birthday. The world's top CPU player held a joint show of 2018 drones at its branch in California to celebrate its 50th birthday in a high-profile manner. As the ancients s...[Details]
1. Watchdog principle Watchdog is essentially a timer. The timer counts the clock. When the timer overflows, a reset signal is generated to reset the entire system. In a program or embedded system,...[Details]
Affected by the COVID-19 pandemic, there is a severe shortage of microchips, disrupting the production plans of the automotive industry. Among them, the chip shortage has a more obvious impact on the...[Details]
1. Introduction
The continuous batching conveying automatic control system is widely used in cement, coal, metallurgy, chemical industry, feed, food and other industries. It has the charac...[Details]
Echion Technologies, a battery technology startup, is preparing to commercialize a new technology that can fully charge mobile devices and electric vehicles in just six minutes. The company has been ...[Details]
Let's stop talking nonsense and take a look at its parameters first
1. The internal temperature sensor of STM32 is connected to channel 16 of ADC and used with ADC to measure temperature.
2. The...[Details]
The instruction system of 8051 consists of 111 instructions. If classified by the number of bytes, there are 49 single-byte instructions, 46 double-byte instructions and 16 three-byte instructions, w...[Details]
Application of Oscilloscope Frequency Domain Analysis in Power Supply Debugging
This article discusses the most concerned power supply noise measurement problem in recent years. It has the most p...[Details]
On August 11, local time, Intel announced an important personnel appointment. Lip-Bu Tan, the current executive chairman of Cadence, will join the Intel board of directors, effective September 1, 202...[Details]
Clinical help calling is an important means of transmitting clinical information. The ward pager is an emergency calling tool for patients to request the doctor or nurse on duty for diagnosis or ca...[Details]
ML4835 PFC controller circuit
Figure ML4835 PFC controller circuit
The power factor correction circuit of ML4835 is a boost PFC control circuit with peak or average current detection, which on...[Details]
RF/Wirelessly
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