One day, a traveler was riding on his horse when it began to rain. He became wet and cold all over. Finally,he came to a small inn in the county town. The inn was crowded with people, so he could not ...
3GPP has made a detailed description of LTE from the aspects of "system performance requirements", "network deployment scenarios", "network architecture", and "service support capabilities". Compared ...
How to export welding bitmap in DXP? The silk screen of resistor and capacitor on our board has been removed. The board has been finalized. Now we have made a small batch of 200 and plan to hire a wel...
I looked in the manual but didn't find any instructions.Also, for IO pins not marked as FT, 5V input is definitely not possible, but can they be used as OD output with a 5V pull-up resistor as 5V leve...
I have just come into contact with WinCE, and I have only found drivers for SD and MMC cards, but not for MS and xD cards. I wonder if WinCE supports these two types of cards?...
Microchip's PIC18F46J50 is a low-power, high-performance 8-bit USB microcontroller (MCU) using nanoWatt XLP technology. The current in deep sleep mode can be as low as 13nA, the operating voltage i...[Details]
When the WDP500-2A plane grating monochromator is used to test the emission wavelength of a high-power laser diode at different currents, the matching of the laser diode has the disadvantages of lo...[Details]
Two simple circuits are implemented to drive two LEDs from a battery powered microprocessor.
This design is based on a circuit that uses three resistors and a microprocessor I/O pin as an input h...[Details]
Microcalorimetry
is used to determine energy relationships. Microcalorimetry techniques are often required when performing calorimetric experiments with small sample sizes or slow heating rat...[Details]
0 Introduction
With the rise and continuous improvement of the solid-state lighting industry, light-emitting diodes (LEDs) have become an alternative lighting technology and are gr...[Details]
1. Overview
At present, an information revolution is in the ascendant around the world, led by microelectronics, computers and communication technologies, and centered on information technolog...[Details]
1 Introduction
With the improvement of people's quality of life, lamps are no longer just basic indoor lighting tools, but also a kind of practical art for architectural decoration. When ther...[Details]
Overview
By transmitting ultrasonic energy into the human body and receiving and processing the returning reflected signals, phased array ultrasound systems can generate images of organs and s...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
The power supply is the core component of a computer. Although it is not of high value, all computer components rely on the switching power adapter to provide energy, so the stability of a power su...[Details]
HL201A is a special thick film driver integrated circuit with a capacity of less than 75AGTR developed by Xi'an Power Electronics Technology Research Institute. The article explains the pin arrange...[Details]
Various electronic and electromagnetic interference inside and outside the car often puts automotive electronic equipment in dangerous working conditions, degrading the performance of electronic eq...[Details]
The Challenge:
Improving Siemens Wind
Turbine Controls
System software automated testing for regular releases, validating wind turbine control system components during the developme...[Details]
1. Overview
With the development of science and technology, PLC is increasingly used in industrial control. The reliability of PLC control systems directly affects the safe production and economic o...[Details]
Infineon's ICL8001G adopts a single-stage flyback and PFC controller with quasi-resonant operation mode, with a power factor greater than 98%, LED driver efficiency up to 90%, an operating voltage up ...[Details]