In addition to making PCB boards, what other good methods are there to reduce self-oscillation in high-frequency op amp circuits? :) I feel that high-frequency op amps will still be used this year....
1. Voice is collected by array using SAI Audio DAC. 2. Infrared collection. 3. Video is 2 megapixels, DCMI interface is used for video collection. 4. WIFI uploads data. 5. Android APP view... This pro...
The A/D module of STM32 is relatively fragile, and the input voltage cannot exceed 3.3V. In order to protect the A/D module, a protection circuit can be added to the A/D input terminal, such as a clam...
ITS (Intelligent Transport System) is a system that significantly improves road traffic safety and transportation efficiency by IT-based (equipment information system) vehicles and roads.Some cars hav...
Fujitsu Semiconductor launches MB39C326 power management chip for portable devices, supports APT and ET functions, and automatically switches between buck/boost working modes
Shanghai, July 23, 2012 –...
[size=5]Clock+Display+AD Sampling[/size] 1. A/D conversion pins are multiplexed with display pins. To ensure sampling accuracy, different time and different function controls are used. 2s-time display...
ZTE
The communication embargo incident has impacted the communication industry and sounded the alarm for the semiconductor industry. Let's follow the embedded editor to learn more about the r...[Details]
In our common sense, the word technology often has two definitions. The first is the technology sealed in the laboratory. They are like flowers on the mountain top. Only a few people on the mountai...[Details]
1. Principle 1. Infrared emission protocol The infrared transmission protocol has been written in the previous article , so I will not repeat it here. 2. Timer counting and input capture A timer...[Details]
This part of the code in the void SystemClock_Config(void) function in the main file generated by stm32cubemx RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; This bug occurs, and the f...[Details]
Unlike three years ago, today's
artificial intelligence
is no longer just a floating concept, and the venture capital circle has begun to explore the various possibilities of this technolog...[Details]
With the development of information technology, intelligence, informatization and networking have become the development trend of modern industrial control. Since the 1980s, the rapid development...[Details]
STM32 has two watchdogs: independent watchdog and window watchdog. This article mainly introduces the use of independent watchdog. Independent watchdog (IDWG): driven by an independent 40KHZ low-sp...[Details]
Use the STM32 timer input capture module to control 3-way ultrasonic sensors. The ultrasonic sensor used this time is the common HC-SR04, which is often used in the obstacle avoidance system of smal...[Details]
The pins of stm32 have two uses: GPIO (general purpose io) and AFIO (alternate function io) For some pins (depending on the chip), neither of these two uses exists. For example, in 64-pin products, O...[Details]
I have encountered many problems when tinkering with LD driver recently. I will record them one by one below. Otherwise, who will remember who in five hundred years? 1. Configuration issues of multi-...[Details]
The first one is a DMA mode of multiple channel acquisition void ADC_DMA_Config(void) { ADC_InitTypeDef ADC_InitStructure; RCC_HSICmd(ENABLE); while (RCC_GetFlagStatus(RCC_FLAG_HSIRDY) == RESET); ...[Details]
Design a program for the 51 single-chip microcomputer. It is known that the crystal oscillator frequency of the 89C51 single-chip microcomputer is 12MHz, and it is required to use T1 timing to output...[Details]
Each I/O port of the AVR microcontroller corresponds to three registers: DDRx, PORTx and PINx, where DDRx is the data direction, i.e. input or output; PORTx is the state of the internal pull-up r...[Details]
According to the design requirements, the maximum voltage gain ≥ 60dB is achieved within a wide signal bandwidth (0-10MHz), and the ability to continuously adjust the gain or preset the gain in 5dB...[Details]
The Arctic region has always been cut off from the outside world, and if oil workers and polar expedition personnel are in danger, they need
robots
to provide rescue work.
Sergey...[Details]