I use LM3S811 and need to generate a PWM wave with a frequency of about 25MHz. Therefore, I use PLL to multiply the system frequency to 200MHz, and then set the PWM cycle count to 8. . . The clock con...
I am doing an experiment about motor control, and the chip I use is NPM's PCD4521, but I have been working on it for a long time and have not made any progress. I would like to ask if anyone has made ...
[align=left][font=微软雅黑][size=12.0pt]The capacitor Ci next to R4 is equivalent to an open circuit for DC, so the DC component is not amplified; it is equivalent to a short circuit for AC, so the AC amp...
I am using the TMS320F28335 chip. I have debugged the program in DEBUG mode and want to download the program to the flash. However, the same program cannot be compiled in release mode. Can any experts...
By the way, I have a question: After installing the simulator SDK, the default path of the alt library written in VS2005 "Options"-->"Projects and Solutions"-->"VC++ Directories" is "VCInstallDir)ce\a...
Traditional broadcasting systems generally need to be operated manually at a fixed time, and can only realize one-way broadcasting with few functions. Traditional bell ringing equipment has a singl...[Details]
1. Circuit composition
The whole circuit consists of two parts:
1. Power saving control circuit
As shown in the figure below. Including delay circuit and drive circuit.
(1) Delay ci...[Details]
1. Introduction
With the growth of parking demand, the scale of parking lots is becoming larger and larger. A lot of research has been done on intelligent parking lots in China, but most of th...[Details]
Converged processors meet scalability requirements
In current embedded system design, solutions based on MCU, DSP, FPGA and ASIC account for more than 90% of the market share. These solutions ...[Details]
In the previous series, we have listed some basic knowledge of C language in Tables 1 to 3. We hope that beginners can strengthen their memory of the above tables and gradually learn to use them wh...[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]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[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]
0 Introduction
In the design and construction of communication systems,
communication power supply
is called the heart of the communication system. The power supply system will dire...[Details]
Button cells (also called button cells) are those batteries with equal or larger diameter and height. The current size range of alkaline button cells is specified as follows: diameter 4.8mm-11.4mm,...[Details]
1. Introduction
Due to the good programmability and superior performance of FPGA, the number of embedded systems using FPGA chips in LCD splicing screens is increasing rapidly, especially in t...[Details]
The physical interference of dc/dc switching power converters is well known unless the system and circuit diagram are carefully designed. These converters can inject unwanted charge into the electr...[Details]
Overview
Modern
amplifier RF instruments
have impressive measurement capabilities and accuracy far exceeding their predecessors. However, these instruments cannot reach their full pote...[Details]
There are multiple methods for measuring the temperature of electrical contacts in power transmission and distribution. The more traditional methods include temperature measurement wax sheet method...[Details]
The history of DVR technology development can be simply summarized as a process from single-channel to multi-channel, with increasing integration and decreasing cost per channel. Chip technology pl...[Details]