Hi everyone, I am working on a broadband amplifier, but I don't understand the 60db gain mentioned in the question. Because the question requires the load resistance to be 50 ohms, but the output resi...
[code]*dwStartSector - Logical sector to start the partition.NEXT_FREE_LOC if none*specified.Ignored if opening existing partition.*dwNumSectors - Number of logical sectors of the partition.USE_REMAIN...
I cannot debug the program compiled with VC2005 in Platform Builder 5.0. When loading, it shows: Loaded 'menus.exe', no matching symbolic information found. I confirmed that the pdb debugging file has...
[i=s] This post was last edited by Renjianjingpin on 2020-7-22 11:36[/i]This solution is a method for implementing wireless Modbus communication between Kunlun Tongtai touch screen and four DTD433FC w...
I saw this paragraph in the 6437 example program. It seems to define I2C related pins. I couldn't find the basis and didn't understand what it does. #define I2C_GPIO_GROUP_0 ( 0x38 | 0 ) #define I2C_G...
Since the official release of RT-Thread 0.3.0, after 8 months of intensive development by developers and positive feedback and testing from the general public, the first test version of the RT-Thread ...
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]
No matter which processor you are learning, the first thing you need to understand is the registers and working mode of the processor.
ARM has 37 registers, including 31 general registers and ...[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]
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 lamps and bulbs are now rapidly replacing incandescent, halogen and CFL (compact fluorescent lamp) light sources in many general lighting applications. Flyback DC/DC converters are the power su...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[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]
Since AC mains power may experience power outages, voltage sags and surges, continuous undervoltage and overvoltage, and frequency fluctuations during supply, these factors will affect the continuous ...[Details]
The rectified DC voltage is then converted back to AC using power electronics such as insulated gate bipolar transistors.
The output voltage is switched on and off at a high frequency, control...[Details]
At present, how various communication technologies will evolve after 3G is a focus of great concern in the industry. Especially for TD-SCDMA, whether it can achieve smooth evolution to the next gen...[Details]
In order to prevent the lithium battery from being damaged by abnormal conditions such as overcharge, over discharge, and overcurrent, a lithium battery protection device is usually used to prevent...[Details]
Multimedia processors are often the most power-hungry devices in portable electronic devices. Common ways to reduce CPU power requirements are to reduce clock frequency or operating voltage, but th...[Details]
Introduction
my country's rapid economic growth is mainly due to the development of manufacturing and the acceleration of urbanization. However, urbanization cannot be achieved at the expense ...[Details]
There are many types and styles of digital voltmeters in design and development. Traditional digital voltmeters have their own characteristics. They are suitable for manual measurement on site. Tra...[Details]