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The circuit structure is shown in the figure below:When the effective value of the AC voltage is 30V, the output waveform is as follows, which is normal:When the effective value of the...
State-of-The-Art in Efficient Linear PAsThere have been several techniques proposed to improve the average efficiency of linear PAs, and most notable are the dual PA (Doherty), envelope following, and...
[i=s]This post was last edited by dcexpert on 2019-10-19 19:44[/i]The HCSR04 ultrasonic sensor calculates the distance by measuring the pulse width, so the pulse width can be captured using the PulseI...
[i=s]This post was last edited by Li Baiyi on 2021-12-22 21:11[/i]1. Use the PC serial port assistant to send commands to roughly understand the necessary conditions and steps for EC-01F to establish ...
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Award details: Click here to viewelement11.com has arranged to send the Iprober 520 current probe and TGF4042 function signal generator to the winners on Monday this ...
The previous articles introduced Qt routines, which are all hardware-independent and can run on both Windows and embedded platforms.In this article, we will test how to use the Qt interface to control...
From April 23 to 25, the 2019 Shanghai 5G Innovation and Development Summit and China Unicom Global Industry Chain Partner Conference was grandly held at the Shanghai World Expo Center. The co...[Details]
1. After Keil is compiled, the following data will be generated: Among them, code represents executable code, and all functions defined in the program are located here; RO-data stands for readabl...[Details]
Apple headphones have new ones. After Apple announced that Apple Music will support lossless music and Dolby Atmos spatial audio features, it seems that everyone has sensed the signal that Apple's...[Details]
Depending on the installation form, ultrasonic flow meters have the following differences: 1. According to the different occasions of use of ultrasonic flowmeters, they can be divided into fixed ultr...[Details]
With the deepening of the electrification, intelligence and networking of automobiles, the automotive electronic and electrical architecture is moving towards centralization and simplification. The f...[Details]
introduction
Liquid crystal display (LCD) has the advantages of low loss, low price, long life, convenient interface, etc., so it is widely used in industrial products, and there are vario...[Details]
The top row of pins is the row, and the bottom row of pins is the column. The row is the LED anode. Each row and column is controlled by four 74HC573, each controlling 8 pins. At the sa...[Details]
The control part uses PICl6F7X series microcontrollers, which are programmed in assembly language. The running speed is fast and can meet the system requirements. Most of the control used here is dig...[Details]
introduction
Electronic energy-saving lamps are products that have entered thousands of households. Improving their quality is of great significance to promote energy-saving modernization. For manu...[Details]
To support modern digital enterprises in processing massive amounts of visual data quickly and improving business insights and efficiency in the new era of intelligent interconnection of all things, ...[Details]
In the previous article, we mentioned that the smart cockpit powered by AI still has a lot of room for imagination. But in terms of intelligent driving, how much room for imagination is there? The ...[Details]
The voltage of the motor is 380V and it is connected in a triangle. After each shutdown and before starting, the insulation level of the motor winding to the ground is routinely measured with a 500...[Details]
Here is an interesting children's toy - blowing electric candles. It is a voice-controlled toy. The players stand about 1-2 meters away from the lit electric candle and blow hard at it. If the airflo...[Details]
According to the China Trade Relief Information Network, on September 8, 2021, the U.S. International Trade Commission (ITC) voted to initiate a 337 investigation into certain video security devices ...[Details]
Silicon carbide has excellent electrical properties such as high voltage resistance, high temperature resistance, high frequency, and radiation resistance. It breaks through the physical limitation...[Details]
Analog electronics
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