As a wireless broadband metropolitan area network standard, WiMAX technology has greater advantages than previous 3.5GHz MMDS products in terms of non-line-of-sight transmission and spectrum utiliz...[Details]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
Currently, high-frequency and high-efficiency DCDC converters are increasingly used in automotive electronic systems.
High switching frequency can use smaller power inductors and output filter...[Details]
1 Introduction
With the development of computer technology and information technology in the world, the global information age has arrived. All countries are formulating their own development p...[Details]
introduction
Sudan's Muglad Oilfield is a large oilfield jointly invested, developed and constructed by a four-party consortium of China, Malaysia, Canada and Sudan. It consists of 8 satellite...[Details]
The rotor of the brushless DC motor used in electric bicycles is composed of 30 to 40 pieces of NdFeB magnets. Since the surface magnetic field strength of NdFeB magnets exceeds 500mT, the position se...[Details]
As the automobile consumer market heats up, the safety performance of automobiles has attracted more attention from consumers. When driving at high speed, tire failure is the most worrying and diff...[Details]
1. Self-test of lithium battery capacity
The nominal capacity of the CECT9898 OEM mobile phone lithium battery is 3800mAh, and its battery volume is comparable to the 1500mAh battery of ot...[Details]
When you are sitting in the subway train, feeling the convenience and comfort brought by the underground rail train, at this time, in the control center, the "brain" of the subway, a group of people a...[Details]
One of the most common requirements of the automotive industry for automotive electronic systems is to achieve the best detection results in the smallest space. This is exactly the advantage of shunt ...[Details]
Two typical electric vehicle flasher circuits are given, and the parameters and specific instructions in the circuit are given. I hope it will be helpful to you!
1. This circuit consists of an...[Details]
Tags: Intelligent Video Video Surveillance HD Video
Currently, intelligent video analysis technology is gaining more and more attention in the security industry, and many projects have...[Details]
The lighting system on the car not only allows the driver to actually understand the condition of the car, but also provides the necessary conditions for safe driving. The new generation of light ...[Details]
Photocoupler - also known as optical coupler or optocoupler, it is a relatively new electronic product, now it is widely used in computers, audio and video... various control circuits. Since the ...[Details]
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