Hello, I have a set of products, the frequency is 433M, the power is 28dB, the network matching is 50Ω, and the radiation effect is not very good. I don't know which expert can solve it. You can consi...
Requirements for the graduation project of a multi-waveform signal generator: 1. Achieve at least three waves, sine wave, square wave, triangle wave, preferably 5 waveforms. 2. Adjustable frequency an...
How do I get the device address in DeviceTree? For example: in DEVICETREE, Driver\Kbdclass \Device\keyboardclass0 0x11111111 \Device\keyboardclass1 0x22222222 \Device\keyboardclass2 .... \Device\keybo...
The power amplifier made of voltage-stabilized integrated amplifier is a positive attempt for electronics enthusiasts as a way to explore new ideas. The circuit is pure Class A and uses low-noise tube...
I used to draw the diagram according to the configuration given in the manual, but now I suddenly found that the digital power ground of ADUC360 has no leads? And how should I understand the switch GN...
With the promotion of the construction of intelligent communities in the country, anti-theft systems have become essential equipment for intelligent communities. Especially in recent years, the urg...[Details]
1. Introduction
RFID (radio frequency identification) is a non-contact automatic identification technology that emerged in the 1990s. It uses the characteristics of radio frequency signal prop...[Details]
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
Electronic systems are located at different points on the automotive power bus and therefore often need to operate under very stringent power requirements. These include load dump, cold crank, very lo...[Details]
With the rapid development of urban economy, elevators are increasingly used as a vertical transportation tool. However, elevator fault detection and maintenance, especially the role of elevator remot...[Details]
1. Introduction
Testing the temperature of steel billets before rolling is an important measure to ensure the quality of steel. Traditional manual testing is difficult to ensure product qu...[Details]
LED is the abbreviation of light emitting diode, which is an electric light source made of semiconductor technology. The core part of LED is a chip composed of P-type semiconductor and N-type semi...[Details]
We know that the inverter consists of two parts: the main circuit and the control circuit. Due to the nonlinearity of the main circuit (switching action), the inverter itself is a source of harmoni...[Details]
It is well known to automotive suppliers that automakers are demanding more from their supply base. For connector suppliers, this means stricter requirements for product performance, stability and ...[Details]
The era of mobile access to the Internet has arrived, and it will rapidly change the business and infrastructure needs of mobile operators under a whole new trend of requirements. We need 4G LTE to...[Details]
0 Introduction
High-precision current source can provide high-precision current supply for precision instruments, and is suitable for automatic measurement tasks of various resistors in semico...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
...[Details]
Analysis of the three core aspects of digital TV transmission standards
According to the differences in regionality, transmission method and modulation method, the transmission method needs to...[Details]
Automotive Electronics
京公网安备 11010802033920号
EEWORLD
