I need to use FPGA to measure the duty cycle of a 10HZ-2MHZ, 100mv-10V square wave. After the signal is amplified by opa847, the duty cycle of the original signal changes. What should I do?...
The experts found that the c2000 launchpad has the following problems when executing the following statements. Please explain. GpioDataRegs.GPADAT.bit.GPIO0 = 0; GpioDataRegs.GPADAT.bit.GPIO1 = 0; Gpi...
In the past, one of the challenges in implementing and deploying multicore system-on-chip (SoC) devices has been providing the right tools for programming and debugging these platforms. To fully explo...
Use Jinyue DSO112A portable oscilloscope to measure the power drive signal, which is convenient and simple. The video taken by the mobile phone is a bit blurry [media=x,500,375]http://v.youku.com/v_sh...
[i=s]This post was last edited by ylyfxzsx on 2016-7-22 15:57[/i] Look at the time, it's almost time to get off work. Although I don't go to work, I'm free, but I'm always lazy. How lazy am I? At this...
[i=s]This post was last edited by yang_alex on 2018-5-4 19:57[/i] USB data communication is initiated by the host. The host sends a command (or request) to the slave, telling the slave what you want t...
0 Introduction
With the development of my country's economy, the number of motor vehicles continues to increase. The growth of existing roads and other hardware facilities can no longer meet t...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
In recent years, lighting has become an important area that countries around the world are targeting to promote energy conservation and environmental protection. According to statistics, about 20% ...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
A multi-point temperature control heating control system was designed using the SST89E564RC single-chip microcomputer and a new temperature measuring device. The heating system can be controlled in...[Details]
Vertical cavity surface emitting lasers (VCSELs) are gradually replacing traditional edge emitting lasers, especially in low bandwidth and short-distance communication systems where cost factors ar...[Details]
my country is a big country in agriculture, grain production and consumption. Grains are a necessary condition for our nation to survive and develop. The flour processing industry will exist forever w...[Details]
This paper designs a 16x16LED Chinese character display bar based on single-chip dynamic scanning control, briefly analyzes the principle of Chinese character display, and studies how the LED displ...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
Abstract: The output of high-range acceleration sensor is less than 10 mV under the excitation of small signal. The noise of traditional test system may cover such small voltage signal, so that hig...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
Key Points
1. Now, in addition to high-end smartphones and tablets, users also expect to use touch screens in other applications, and they are gradually appearing in cars and instruments.
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The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
The ARINC429 bus is one of the most commonly used communication buses between various subsystems of avionics. As the "skeleton" of modern avionics systems, once the bus system or the attached airbo...[Details]