[font=PMingLiU][size=10.5pt]Nowadays, people are very concerned about their health and hope to have a good body. Body temperature is one of the important physiological parameters of the human body, an...
Two threads written in arm9 receive data from the serial port and the network port respectively. The former runs all the time, and the latter runs every 1.5 seconds. Now when the latter runs, the form...
I need help. I hope the experts who make switching power supplies can help me. Thank you. Please help me calculate the values of the capacitors of UC3843, such as C3, C4, C6, C11, C12! The ones I made...
Abstract: This paper introduces a pulse adjustable high stability current stabilized power supply used in the deflection magnet of HL-1M neutral beam injector (NBI). The scheme adopted is the joint co...
As shown below, what do the numbers in the first column mean? -> tcpDebugShow 1665138688 user CLOSED 1665138688 user CLOSED 643760896 user CLOSED 643760896 input LISTEN 643760896 output SYN_RCVD 64376...
Why is it that when I use two interrupts to control the time on a timer, the interval between flashing of the running lights is the same when the temperature is above 27 and below 27, both with an int...
UHF and HF are both general technology categories, but each category has independent supporting protocols. HF is more consistent in the 13.56MHz frequency band, although there are many internation...[Details]
In the early 1990s, portable phones were all the rage. With the rapid development of electronic technology, today's mobile phones can not only send emails and text messages, but also take photos, ch...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
Digital-to-analog converters (ADCs) provide the critical conversion of analog signals to digital signals in many systems. They perform amplitude quantization of an analog input signal to a binary fini...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
Introduction
The market for wireless telemetry products is developing rapidly. Recently, the industry has also set off a revolution in wireless applications. Wireless telemetry technol...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
To ensure the success of China's TD-SCDMA network commercialization, operators and equipment suppliers need to conduct a large number of tests on networked equipment, among which RF testing is...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
Mobile phones, MP3 players, hard disk players, digital cameras, PDAs and other devices are all controlled by navigation keys. Currently, the more popular navigation key contro...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
summary
Theoretically explains how to set up a PFC boost regulator using a current sensing transformer with the UCC3817 control IC.
1. Schematic
The schematic diagram is show...[Details]
A well-designed electronic load is not designed just for use in the lab; it should be carefully designed and built to test actual power systems. This is true for military portable systems, such as ...[Details]
1. Introduction
The UCC28051 reference design is a 100W offline AC/DC voltage converter with power factor correction (PFC). This power module design is intended to illustrate how to proper...[Details]