Send Message
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
The correct installation of the antenna system in the installation process of the wireless microphone system closely affects the quality of the received signal. Especially in the long-distance transmission, the characteristics of the antenna, the coaxial cable and the strong wave must be considered. Large → will cause interference, the receiving quality gain is insufficient → will reduce the receiving distance and instability. The gain of the system that wants to get better signal quality must...
In the new issue of the British journal Nature Communications, US scientists reported that they have designed a new type of antenna that can be reduced to one percent of the current common metal antennas and is expected to be used in electronics and neuromedicine. . At present, the existing small antennas are all based on electromagnetic resonance, so the size of the antenna needs to be based on the wavelength of electromagnetic waves. In reality, the antenna length must be at least one tenth...
At present, China has built the world's largest mobile communication network. In the 4G to 5G transition and 5G era, the quality assurance and technical improvement of antennas become more and more important, especially in the case of increasingly scarce spectrum resources, antenna innovation will open wireless. The new world of spectrum resource utilization provides the basic premise for the implementation of 5G eMBB, mMTC, uRLLC and other scenarios. Sun Huarong, an RF expert at Datang...
Molex announces the Wi-Fi Flexible Antenna Series, designed to be quickly and easily integrated into wireless devices while keeping implementation costs to a minimum. The 206994 Series Side Feed Cable Flexible Antenna provides high performance RF transmission for Wi-Fi applications that require extremely limited applications, including space-constrained applications. Bob Wang, product manager at Molex Shanghai, said: “The design of today's miniaturized devices is a huge challenge, and...
Process introduction 1. What is NMT? The process of combining metal and plastic with nanotechnology is called nano-injection molding technology (NMT). The metal surface is first nano-treated, and then the plastic is injected on the metal surface. The metal such as magnesium, stainless steel, titanium and the like can be combined with the hard resin to realize integrated molding. The process flow is as follows: a 2. What is LDS? LDS is a technology that uses a digitally controlled laser to...
In order to provide more attractive features, more and more end products have now integrated global positioning capabilities. In addition to familiar navigation systems, applications such as vehicle and asset tracking systems, personal locators, security systems, vending machines, health care monitoring, and sports and leisure equipment also require the use of Global Navigation Satellite System (GNSS) receivers. Each GNSS receiver requires an antenna to receive weak satellite signals outside...
Infrared receiver and motor drive circuit This article refers to the address: http:// The new house was fitted with an aluminum alloy sliding door and finally had the opportunity to design an automatic door for itself. The human body detection part adopts the transmitting and receiving technology of the household appliance remote control, and is not affected by the ambient light. Figure 1 shows the infrared receiving and motor driving circuit. When no one is in the infrared receiver, the...
0 Preface With the development of voice services, narrowband and broadband data services in wireless communications, mobile phones with 3G capabilities will gradually become the mainstream of the market. At the same time, the design of mobile phones is changing with each passing day, and the requirements for wideband characteristics, multi-frequency operation and miniaturization of antennas are more demanding. At present, multi-mode mobile phones generally only use a multi-band antenna that can...
With the continuous advancement of technology, electronic components are becoming more and more integrated, which greatly stimulates the versatility and miniaturization of portable products. The use of FM radio functions in portable products has become very common, especially in mobile phones, which is basically a standard. This article refers to the address: http:// In general, the FM antennas of these products are mostly made with the ground wire of the earplugs. One of the shortcomings in...
As stated by Moore's Law, the density and performance of integrated circuits have grown rapidly over the decades. As we all know, this trend of rapid growth will one day end, people just do not know the extent to which the density and performance of integrated circuits can reach when this moment comes. With the development of technology, the density of integrated circuits is increasing, and the width of gate oxide is decreasing. The multiple effects commonly found in very large scale...
:;5962822 Total: Billing :(automatic) Mining communication cable: MHYV MHYAV MHYA32 Product standard: MT818.14-1999 Mining communication cable: MHYV (1×2 2×2 1×4 5×2) ×7/0.28 Polyethylene insulated PVC protection for coal mine Set of mine communication cable for inclined alley and electromechanical chamber MHJYV 4/0.28 copper wire +3/0.28 steel wire 1×2 2×2 reinforcing wire core polyethylene insulated PVC sheathed mining communication cable for coal mine Used for mechanical damage high level...
Last time we talked about what matters to pay attention to outdoor AP deployment, some friends asked, how should we choose the antenna that matches the outdoor AP? Let's talk about the outdoor AP and its antenna today! For wireless coverage in some communities, scenic spots, parks and other places, outdoor APs are often used for building. Generally, in order to achieve good results, they often choose matching antennas. Now, let's briefly talk about some small knowledge of selecting...
Vipshop will be the first outdoor outdoor men's and women's clothing mix in the United States, 1.6 fold, this discount is still relatively strong, there are many new springs into the discount zone, according to the discount strength, this low discount clothing is still more, like Friends may wish to take a look ~ Activity Portal: http://?q=0|0|0|0|2|1 You can find us here: Sina Weibo: @装备COOL; WeChat public platform: search for "zhuangbeiku" or scan the above QR code The first...
When traveling in the wild and expedition, most people feel that their appetite is down after eating a few days of convenience food, so they use the wild vegetables of nature to cook delicious food. In the case of special circumstances, such as the supply of food supplies cut off, wild vegetables become the main emergency food. As the saying goes, the more beautiful things are, the more poisonous they are, the more they should stay away. However, below, Xiaobian introduces some of the toxic and...
When you see a child under ten years old conquering the rock wall in minutes, when you are amazed by the small figure that has slipped from the high-grade snowy road, when you are not convinced, the 12-year-old child actually has a professional diving certificate... Do you make it? ? You are really not old, just the children are too strong. Nanjing Ningfei Company has been paying attention to the children's outdoor market and working hard to promote the cultural concept of children's...
Here is an amplifier suitable for indoor TV antennas. It has a simple circuit but works well. Circuit principle The circuit of the indoor TV is shown in Figure 1. It consists of only one UHF triode. The amplifier is powered by G1 and G2 dual power supplies. The circuit features are: for high frequency AC, this circuit is a common emitter ground circuit, but for the DC channel it is a common base circuit. Therefore, this amplifier has a high voltage gain, but the noise is small. Because the...
According to a recent report by the American Physicist Network, American researchers have used carbon nanotubes for the first time to create an "antenna" that captures and collects sunlight. The efficiency of collecting sunlight is 100 times that of ordinary photovoltaic cells. The new antenna It can be used in solar cells to improve its photoelectric conversion efficiency. New technologies are expected to enable researchers to develop smaller and more powerful solar arrays. The study...
21ic News STMicroelectronics (ST) launched a highly miniaturized 4G smartphone antenna common chip, which makes the phone look slimmer and has higher GPS navigation performance. This article refers to the address: http:// In terms of design, 4G smartphones must use multiple cellular connections to provide mobile broadband services above 100 Mbps. The smartphone has built-in Bluetooth, Wi-Fi and GPS communication modules. These RF modules must share the same antenna to save space on the mobile...
STIC's STMicroelectronics (ST; NYSE: STM), the world's leading semiconductor supplier, has announced that its latest antenna tuning circuit, the STHVDAC-253M, has been adopted by a major Asian mobile phone manufacturer. Smart antenna tuning for controlling new LTE smartphones. This article refers to the address: http:// The smart antenna tuning chip minimizes the sensitivity of RF signal transceiving to the external environment, providing end users with many benefits, including stronger...
0 Preface The bending line structure has become a new hot spot in modern antenna design in terms of reducing antenna size and improving antenna bandwidth characteristics. In order to improve the performance of the bent line antenna, the researchers proposed a variety of improved structures for different applications and characteristics, including double bend line antenna, folded bent line antenna, three-dimensional bent line antenna, and tapered bent line antenna. , traveling wave bending line...
1 Introduction This article refers to the address: http:// Digital Mobile TV (DMTv) is a radio signal that is received in a mobile environment. Its channel characteristics are very complex, especially in urban environments where the TV signal received on a fast-moving vehicle can fade up to several tens of times within 1 s. This fading phenomenon seriously deteriorates the quality of the received signal and affects the reliability of signal reception. For car TVs, to maintain acceptable...
The 12dBi linearly polarized antenna is most often used with a microstrip antenna array, which is 580 mm × 260 mm × 50 mm. In this paper, a novel form, monopole antenna array, is used for design. This article refers to the address: http:// 1 Analysis and selection of design schemes In the design of the 12 dBi linearly polarized antenna, the single-pole oscillator array is used in a novel form, which is the biggest innovation of this antenna. Compared with the microstrip antenna array form, it...
Abstract single antenna FMCW radar transmit signal leakage, taking into account the strength of the adaptive control system, data processing capability, accurate and flexible, etc., an adaptive cancellation aspect, and the simulation and experiment results show that The scheme effectively suppresses the problem of the transmission leakage signal caused by insufficient transmission and reception isolation. This article refers to the address: http:// Due to limitations in size, weight, cost,...
introduction This article refers to the address: http:// The application of radio frequency identification (RFID) technology in logistics materials distribution, manufacturing, and postal services has become quite common. A tag antenna is a very important component of a radio frequency identification system that is responsible for receiving and transmitting signals that enter and exit the tag. The frequency bands allowed for RFID use in different countries are different, such as 920~925MHz...
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
Fill in more information so that we can get in touch with you faster
Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.