[p=22, null, left][color=#555555][font=Tahoma, Helvetica, SimSun, sans-serif][size=14px][color=#333333][backcolor=rgb(247, 247, 247)][font=Tahoma, Arial, Helvetica, sans-serif]After a period of study,...
When using AD09 to lay out the PCB board, the vias cannot connect to the wires. The vias are bypassed as obstacles, or the network in the via properties after connecting the vias is not consistent wit...
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]
Preface
Sleep apnea is a very common sleep breathing disease. According to research, about 24% of adult men and 9% of adult women, or more than 2 million people, suffer from this disease ...[Details]
This article discusses how to use an ultra-low-power RF transceiver chip from Zarlink Semiconductor for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices t...[Details]
Third generation (3G) mobile phones offer a variety of features with more functionality. As consumers enjoy the latest and better features of these communication devices, they continue to demand lo...[Details]
introduction
The most common flight state of a fixed-wing aircraft is horizontal flight. If it is allowed to fly at a large angle, the action cannot be maintained all the time. If it is al...[Details]
Multi-parameter monitor is an important device in clinical nursing. It can monitor the patient's ECG, blood pressure, blood oxygen saturation, respiratory rate, pulse rate and temperature. At present,...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
introduction
The data detected by various
measuring instruments
often need to be transferred to a PC for data processing and archiving, so as to make full use of the rich hardware an...[Details]
Power semiconductors and reactive components (capacitors and inductors) are ubiquitous in today's electrical equipment. In normal operation, they can cause two undesirable side effects on the AC line ...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[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]
When it comes to ATX power supply, people will think of two "classic" ICs: pulse width modulation chip TL494 and voltage comparator LM339. The new dedicated control chip AT2005B has the functions ...[Details]
Mesh network architecture and advantages
The Internet is a flat network. The routers that make up the Internet are on the same plane. The mesh network formed by multiple paths between ...[Details]
Focus shift problem
Visible light and infrared light have different wavelengths, so the imaging focus is not on the same plane, which results in a clear image under visible light condition...[Details]
0 Introduction
Electric vehicles are high-tech products that integrate computer technology, communication technology, electronic technology, and new material technology. They have a complex ...[Details]