[i=s] This post was last edited by Jiangsu University on 2018-1-17 17:24 [/i] The amplification + offset circuit of the current sampling of a phase of the three-resistance sampling is shown in the fig...
[list] [*]I am working on the 2009 National Electrical Engineering Competition. In the middle stage, the relay-selected amplifier 847 is used to achieve variable gain. The 847 with relays works when t...
[b][font=宋体][size=5][color=#0000ff]1. Composition of digital multimeter[/color][/size][/font][/b][align=left][color=rgb(34, 34, 34)][font=宋体][size=4]The block diagram of the digital multimeter is show...
The voltage regulator I used before was LP3986TL. Now I want to replace it with another chip. Please recommend an ultra-low voltage dropout regulator. The parameters are input voltage 3.3V, the smalle...
[i=s]This post was last edited by azhiking on 2017-7-20 21:14[/i] The reason why I want to port UCOSIII is, in a sense, a bit obsessive-compulsive:hug:[size=3]Because[color=#4a4a4d][font=Arial, sans-s...
Medicines are special commodities. If patients are given the wrong medicine, fake medicine, inferior medicine or expired medicine, it will pose a threat to people's health and lives.
In recent...[Details]
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
Pulse oximeters, non-invasive instruments used to monitor a patient's blood oxygen saturation, are benefiting from moving away from expensive discrete component solutions toward more integrated design...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
Many medical applications require portable, self-powered devices that do not require external power and data cables. The most obvious example is a portable data logger that patients carry with them to...[Details]
JTAG Technology Introduction
One disadvantage of shrinking technology is that the complexity of testing small devices increases dramatically. When the board area is large, the board is tested...[Details]
1 Introduction
The high temperature tester is mainly used for temperature tracking measurement and data acquisition during the heating process. By systematically analyzing the test data,...[Details]
Capacitive sensing user interfaces are emerging as a practical and innovative alternative to mechanical buttons in mobile phones. While capacitive sensors can be viewed as a drop-in replacement fo...[Details]
With the improvement of people's requirements for vehicle riding comfort and the development of passenger car suspension technology in my country, air suspension is increasingly used in passenger ...[Details]
After more than ten years of technological development and application market cultivation, biometric technology has been applied on a large scale in many application fields. As far as the Chinese m...[Details]
As mobile phones and other portable devices have more functions, there are more potential input and output (I/O) channels for electrostatic discharge (ESD) voltage to enter, including keyboards, bu...[Details]
Facing the global financial tsunami, in order to stimulate the economy, the country will invest 2 trillion yuan in railways during the "Eleventh Five-Year Plan". The large-scale construction of rai...[Details]
0 Introduction
Heart rate is a very important vital information in the human body, and traditional pulse diagnosis, due to its qualitative and subjective nature, affects the accuracy of he...[Details]
1 Introduction
The DVB-S digital satellite live broadcast system standard is designed to meet the bandwidth of satellite transponders and the transmission characteristics of satellite sign...[Details]
0 Introduction
RFID (Radio Frequency Identification) technology is considered to be one of the top ten technologies with the greatest application potential in the 21st century due to its e...[Details]