Basic knowledge of base station antennas and network applications
1. Antenna system and base station antenna composition
2. Antenna performance indicators
3. Antenna performance index test
4. Applicat...
Scanning tunneling microscope (STM) may sound unfamiliar at first.
But its status in the scientific community is extraordinary - it allows humans to observe the local structure image of the surface la...
When I convert AD to gerber file and import it into CopperCam, the imported circuit diagram is wrong. The circuit diagram imported by CopperCam is not the circuit diagram drawn by AD. Can any expert s...
[i=s]This post was last edited by jinglixixi on 2021-9-25 13:15[/i]The ESP32-Audio-Kit audio development board, together with the library file FastLED.h, can easily control the display effect of the W...
The previous article ( 【i.MX6ULL】Driver Development 4--Lighting up LED (Register Version) ) introduced how to directly operate the register in the driver to light up the LED. This article introduces a...
On May 5, ZTE officially announced that its 5G flagship AXON 10 Pro will be launched on May 6. ZTE AXON 10 Pro uses a 6.47-inch AMOLED flexible curved water drop screen with a resolution of 2340×10...[Details]
News on May 7: Today, the entry #iPhone folding screen may be able to fold inwards and outwards# became a hot search on Weibo, attracting many netizens to watch.
It is understood that the reas...[Details]
Antenna testing generally involves two aspects of characteristics: circuit characteristics (input impedance, efficiency, etc.) and radiation characteristics (directivity pattern, gain, polarization, ...[Details]
1. Base types supported by MSP430
In the C language of MSP430, three base types are supported, namely decimal (no prefix or suffix), octal (add prefix "0") and hexadecimal (add prefix "0x"). W...[Details]
Every time I see a tutorial about stm32, it's all about turning on the LED light, and I think GPIO is very simple. In the car robot project of Maizhi Club, a latecomer, it encountered many setbacks a...[Details]
With the rapid popularity of dual-voltage architectures and multiprocessor boards, even simple applications may require several processor voltage rails. Since each processor has its own power-up...[Details]
On August 23, Purui shares were officially listed on the Shanghai Stock Exchange Science and Technology Innovation Board. The company's stock code is 688766, and the issue price is 148.9 yuan per sha...[Details]
Eric Chiu, co-founder and president of HyTrust, made his predictions for cloud computing in 2014.
1. Enterprises will find BYOS important for public clouds. Given recent revelations about governm...[Details]
Nexperia celebrates its fifth anniversary as an independent company and continues to grow
Review past achievements and look forward to future opportunities
Nij...[Details]
0 Introduction
In daily life, single-chip microcomputers have been used more and more widely. They are small in size, light in weight, highly integrated, highly anti-interference, and cost-effe...[Details]
Serial port protocol basics 1 Serial Port Overview The serial port consists of a transceiver. The transmitter sends serial data through the TxD pin, and the receiver receives serial data through t...[Details]
According to foreign media reports, Israeli electric vehicle battery startup StoreDot said it will launch a battery that can achieve a 100-mile range in 5 minutes. StoreDot said it will achieve mass ...[Details]
Driven by the rapid development of advanced driver assistance systems (ADAS) and autonomous driving technology, modern cars are equipped with a large number of sensors, such as cameras, radars, LiDAR...[Details]
The evolution of wireless multi-function mixed-signal front-end chips from two generations and two classic product solutions
The figure below shows the concept of indoor base station...[Details]
GDDR5 (Graphics Double Data Rate, Graphics Double Data Rate Memory Interface, Version 5) dynamic random access graphics card memory technology has been applied to high-performance GPUs (Graphics Proce...[Details]