The error sources of vector network analyzers are mainly the following three aspects: drift error, random error, and systematic error.1. Drift error: It is caused by changes in the performance of the ...
RF MEMS switches are small, micromechanical switches that consume little power and can be produced using conventional MEMS manufacturing techniques. They are similar to a light switch in a room, where...
Our lives are filled with an ever-increasing number of tiny battery-powered devices and systems. These embedded systems must be powered by the same power supply for a long time to reduce recurring mai...
As the Internet of Things, technology convergence, voice control, and more continue to advance, device capabilities are becoming more advanced, but with that comes increasing pressure on test teams. W...
Here are ten important facts about motor control:
01Integration is taking over the motor control market due to technological advancements. Brushless DC motors (BLDC) and permanent magnet synchronous m...
Probing DDR DRAM with BGA probes is becoming more popular and a requirement due to the increasing complexity and compactness of memory designs and the increasing data rates. DDR3 and DDR4 data rate...[Details]
This design consists of two STC89C52RC microcontrollers, and the cheapest wireless communication is achieved through NRF24L01. Each microcontroller is a transceiver. After initialization, the OLED wi...[Details]
Jiwei.com reported on April 17 that recently, MTS Russia and Huawei launched 5G networks at 14 landmarks in Moscow, and through the local event "5G is coming", fully demonstrated to consumers the new...[Details]
When SM2..0 is 010, the SLEEP instruction will put the MCU into power-down mode. In this mode, the external crystal stops oscillating, while the external interrupts, two-wire interface address match ...[Details]
I really didn't expect that.
Deep in the city of Jinling, 23 meters underground, with the Qinhuai River overhead filled with the sounds of oars and lights, what I talked about with several pow...[Details]
On May 19th, Redmi warmed up for the new phone. At the same price, would you choose the previous generation 4G flagship big brother or buy a 5G new model of the season? The official hi...[Details]
0 Introduction
According to a survey, 10% of traffic accidents are caused by fatigue driving and improper operation. The car automatic cruise control system introduced in this article can effec...[Details]
illustrate
NS4216 is a differential input, ultra-low EMI, filter-free, 20W (10W×2) dual-channel Class D audio power amplifier. The chip has two control terminals to control the left and right ...[Details]
At present, the display panels commonly used in control instruments are mainly of two types: LCD and LED. LCD is more beautiful, energy-saving, and has flexible display methods, but it is more expensi...[Details]
Design a system with five external interrupt sources. The highest level external interrupt source is connected to the INT0 pin, and the rest of the interrupt sources are connected to the INT1 pin. Dra...[Details]
Look at the stm32 serial port initialization program of Zhengdian Atom, the usart.h file is as follows:
view plain copy
#ifndef __USART_H
#define __USART_H
#include...[Details]
1.＃i nclude<> means to go to the editor setting directory, ＃i nclude "" means to go to the current project directory.
2. To call a function in another file, put the function file in the current proje...[Details]
#include
#include
#include "Io_define.h"
unsigned char RX_data ={0}; //Data received by the serial port
unsigned char keyb_state=0;
unsigned char keyc_state=0;
unsigned char RX_coun...[Details]
The ATmega88 status register contains information about the results of the most recently executed arithmetic instruction. This information can be used to change the program flow to implement conditio...[Details]
The Display Computing – CRYSTAL product line of Cincoze, a rugged embedded computer brand, is designed for HMI applications in a variety of harsh environments.
It includes three serie...[Details]
Test/Measurement
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