Hello everyone! I would like to ask if the Class C amplifier needs to reverse bias the base, i.e. Ube, but won’t the transistor be cut off after reverse bias? Thank you...
If I let the program run in the internal ROM for a while, for example, from 0000H to 0016H, and at this time I pull EA low (I connected the pin of P3.4 port to the EA pin, pulling P3.4 low is equivale...
So many things happened in the world in 2020. What happened to me may seem insignificant, but from everyone's perspective, everyone knows their own experience.
My personal fund was not approved in 202...
Semiconductor Industry Online Member System Questionnaire Survey Come and participate in the draw to win a 50-yuan Jingdong card! It can be done in 3 minutes~Event time: From now until September 30Cli...
[i=s]This post was last edited by shuiyuehen1987 on 2015-11-30 09:24[/i] [font=宋体]For example, if there is a magnetic mine in an area, if a mechanical compass is used, the compass will be inaccurate d...
Dear experts, I am currently working on a report that requires the use of FPGA to connect to a headset to capture sound signals and then process and store them. It is really difficult at the beginning...
In
circuit design,
current
measurement
is widely used, and the main fields are divided into three categories: in measurement,
the electric meter
is used to measure the curre...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
Images in science fiction movies often break through the limits of reality, such as in the movie "Minority Report." Tom Cruise uses a multi-touch screen to browse information. Capacitive sensing te...[Details]
Xiaomi, a well-known Internet phone in mainland China, won a million-unit order contract from China Unicom on November 20 last year, which made Xiaomi famous in mainland China. In April this year...[Details]
Continuity test
A variety of devices need to be checked for continuity, including cable assemblies, printed circuit boards, and connectors to ensure that these components have the expected contin...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
This article will introduce a design method for a distributed control system used in a tracking car, which can perform distributed control of motor modules, sensor modules, and lighting control mod...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
1 Introduction
Ultrasound refers to elastic vibration with a frequency higher than the audible frequency limit (i.e., in the frequency band above 20 kHz). The propagation process of this vib...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
summary
This article will briefly analyze the success and shortcomings of high-frequency DC-DC switching power supplies in the process of miniaturization (the second basic goal), and propose m...[Details]
Analog electronics
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