The switch IC specification is uploaded. The two resistors connected to the V pin of the TOP switch chip (in the circuit structure of Figure 1) R1 and R2 resistance calculation formula refer to Figure...
[i=s]This post was last edited by dontium on 2015-1-23 13:27[/i] I recently wrote a project and the program was debugged, but the real-time performance did not meet the requirements, so I chose the op...
The recording function is implemented under WinCE, using waveInOpen, waveInPrepareHeader, waveInAddBuffer and other functions. It can be recorded and played normally under Windows XP. However, using t...
I am using DM642, and when I use the timer to control the LED flashing, I encounter a problem: when I connect the emulator and open CCS2.2 to run the program, the board does not respond, but after clo...
Shanghai Xinjin Semiconductor Co., Ltd. (BCD) is recruiting system engineers, design engineers, layout engineers, equipment maintenance engineers, process engineers, etc. for power management (AC/DC, ...
I am debugging the sim900a module. The MDK compilation is correct. When I downloaded it to the board, I found that the program was wrong. I used MDK to debug the simulator. As a result, I found that t...
TD-SCDMA (Time Division Synchronous Code Division Multiple Access) is one of the three major standards for the third generation of mobile communications. It is a communication standard with indepen...[Details]
1. Introduction
At present, with the continuous development of modern medical devices, especially electronic instruments directly connected to the human body, in addition to the increasingly high...[Details]
Digital signal processors have efficient numerical computing capabilities and can provide a good development environment, while programmable logic devices have highly flexible configurability. This...[Details]
Medical and industrial applications often require isolation voltages of 2500Vac or higher for patient and equipment operator safety. The isolation barrier must not only transmit power to the sensin...[Details]
Blood pressure is one of the important physiological parameters of the human body. Accurate measurement of it is conducive to early detection and identification of hypertension types, and to the pro...[Details]
With the continuous improvement of living standards and the increase in the proportion of urban aging, the household use of medical electronic equipment has gradually become a trend. Among them, the...[Details]
At present, a hot spot for the research and development of hearing aids abroad is concentrated in China. To be more precise, it is based on the research of Chinese language and speech, and the deve...[Details]
Overview
Bioelectric signals are very weak, and there is strong interference when detecting them. Therefore, there are many technical difficulties in designing high-quality bioelectric ampli...[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]
With the development of automatic control technology, the application of precision air pressure generation and control technology is becoming more and more extensive. However, the traditional valve...[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]
0 Introduction to the direct method of feedback linearization based on dynamic equilibrium state theory
The basic idea of the direct method of feedback linearization based on dynamic equilib...[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]
Compared with traditional light sources, light-emitting diodes (LEDs) have many advantages, such as low operating voltage, high energy efficiency, small size and directional light. They can provide...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]