1-3. Input and output matching circuit
The purpose of the matching circuit is to choose a way of acceptance. For those transistors that want to provide greater gain, the way is to accept and output it...
Calibration of medical devices
1. Thermometer calibration - use black body furnace + constant temperature water bath to calibrate two points
2. Sphygmomanometer calibration - using BP pump sphygmomano...
I am using AD18. Where is the prohibited routing area set when routing? It appears every time I start routing, such as the area around the pad indicated by the arrow in the figure below. Thank you....
[i=s]This post was last edited by zzx1997 on 2021-3-13 22:39[/i]This time we will try the official target detection demo . The operation process is similar to the previous article. There are also simi...
There are two most basic ways of serial communication: synchronous serial communication and asynchronous serial communication.Synchronous serial is the abbreviation of SPI (Serial Peripheral interface...
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfo...[Details]
The bias voltage is generated by using an external resistor ladder network (see the circuit diagram below). Because the resistor ladder network is connected between VDD and Vss, there will be a curre...[Details]
With the improvement of Bluetooth 5.0 technical standards, TWS earphones have become a popular product today. However, with the popularity, some bone conduction earphone brands have also appeared on ...[Details]
When using an 8051-based microcontroller, the external clock reference must be chosen carefully to ensure that the timing requirements of the controller's serial interface are met. Typically, an 8051...[Details]
Specific implementation functions The system consists of STC89C51/52 single chip microcomputer + button module + LED light module + power supply. Specific functions: (1) At least 10 light-emittin...[Details]
PIC18F 45K80 CAN communication example, can be debugged through simulation, pay attention to the selection of compiler, C18 cannot pass. The microcontroller source program is as follows: #pragma con...[Details]
Domestic car companies and battery companies are like a newly married couple. After the honeymoon period, they start to face the daily necessities of life and then find out the problems of each oth...[Details]
Transformer is a device that uses the principle of electromagnetic induction to change AC voltage. Its main components are primary coil, secondary coil and iron core (magnetic core). In electrical ...[Details]
On November 17, the epitaxial project of Zhejiang Lishui Zhongxin Wafer Semiconductor Technology Co., Ltd. with a total investment of 4 billion yuan officially started. According to the informatio...[Details]
At this point, the development board is running. The system migration part will be discussed later. Let's take two examples to make the LED light up and the buzzer sound. 1. LED lights up (1) LED p...[Details]
Hitachi's 300kW photovoltaic inverter "HIVERTER-NP203i-300" supporting medium-sized photovoltaic power generation systems was launched on July 1, 2015. Its feature is that it has a built-in boost c...[Details]
With a "ding dong" sound, the big words "Data import completed" pop up with a fresh and pleasant prompt tone, making the curved screen mobile phone's natural high appearance even more colorful. "Yo...[Details]
Autonomous driving is becoming a field that automakers and parts manufacturers are competing for. According to foreign media reports, Denso's latest autonomous driving system will be installed on Lex...[Details]
On October 13, Dahua Technology released its performance report for the first three quarters of 2020. During the reporting period, the company achieved operating income of 16.166 billion yuan, a year...[Details]
In the field of energy storage, in addition to electricity metering equipment, there are a variety of products and technologies that can improve the efficiency and performance of energy storage s...[Details]