[i=s] This post was last edited by paulhyde on 2014-9-15 03:07 [/i] Title: Use a 555 and a 324 to generate four waveforms, a pulse wave, a sawtooth wave, and two sine waves (one with the same frequenc...
On the circuit board, we often see a component similar to a triode - a three-terminal voltage regulator. Three-terminal voltage regulators are often used in places where voltage conversion is required...
On July 23 , 2011 , at the Henan Provincial College Students Electronic Design Competition Seminar hosted by the Henan Provincial Department of Education in Nanyang, Henan, Professor Luo Weixiong, hea...
[font=宋体][size=14pt][size=4]Can any expert help me? ! My graduation project is the design of a DC motor control system based on a single-chip microcomputer[/size][/size][/font] [font=宋体][size=14pt][si...
[size=5]We are using MSP430i2041 microcontroller, four modules are powered by batteries, the communication ports are optically isolated and cascaded, and now we find that the four modules are frozen a...
On the 26th, China's largest private electrical enterprise, Zhejiang Chint Group Co., Ltd. (hereinafter referred to as "Chint"), announced that it will invest 1 billion yuan in Hangzhou for the constr...
Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology that uses wireless radio frequency communication. Compared with the currently widely used barco...[Details]
The role of digital-to-analog converters
Real-world analog signals, such as temperature, pressure, sound, or images, are constantly being converted into digital form that is easier to store, p...[Details]
Designers of hearing aids have stringent requirements. Hearing aids must be small enough to fit in or behind the ear, operate on ultra-low power, and be free of noise or distortion. To meet these requ...[Details]
As the application scope of medical equipment expands from hospitals to emergency response and home medical environments, its mobility will be determined by many factors. In addition, medical equip...[Details]
Introduction: Design of automated test systems
Challenges
To ensure the quality and reliability of products delivered to customers, test managers and engineers use automated test system...[Details]
In the development of high-stability lasers, real-time monitoring of the working state of the laser is an issue that needs to be focused on. This system realizes the high-stability laser temperatur...[Details]
Today, as network technology becomes more and more popular, industrial field instruments, data acquisition and control equipment are becoming more and more networked, and the combination of industr...[Details]
Adding "intelligence" to measurement systems is becoming more common as 8-bit microcontrollers are inexpensive, widely available, and can be programmed using today's common high-level languages, su...[Details]
Introduction
Wireless operators are driving demand for broadband and data rates by offering enhanced data services to increase average revenue per user (ARPU). The need to provide users with ...[Details]
Electrocardiogram is an important means of diagnosing heart disease. However, due to various reasons, it is difficult to capture abnormal electrocardiograms with ordinary electrocardiographs. Although...[Details]
At present, TPMS (tire pressure monitoring system) is mainly divided into two types, one is indirect type and the other is direct type. The direct TPMS system has been affected by its poor alarm ac...[Details]
1 Introduction
Economic development has prompted people to continuously improve their security awareness. When traditional local analog monitoring methods gradually fail to meet the needs of l...[Details]
Abstract:
The signal flow of the external transceiver in the WCDMA/TD-SCDMA protocol is analyzed. The analysis results show that most of the functional modules in the WCDMA/TD-SCDMA external tr...[Details]
0 Introduction
In the mixed analog and digital circuit system, multiple power supplies are required. In order to reduce the number of external power supplies and realize the miniaturizatio...[Details]
0 Introduction
The peak value of AC voltage refers to the maximum value (positive peak value) or minimum value (negative peak value) of AC voltage, which is a very important parameter in t...[Details]
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