[i=s] This post was last edited by paulhyde on 2014-9-15 08:55 [/i] I am thinking about using DDS (AD9951) as a signal source. Has anyone used it? Thanks for your answer......
When selecting devices,The first thing that comes to mind is of course to choose the device with the index closest to your needs.Then choose the cheapest or most cost-effective device from a large num...
[table=98%,rgb(238, 238, 238)] [tr][td]I need to make an RFID antenna multiplexer recently. The frequency is 13.56M and I need to choose a multiplexer. Please recommend a suitable parameter. I have fo...
Q: How can high-performance analog-to-digital converters have many power connections and only a few ground connections? A: Lead frame chip scale packages (LFCSP) and quad flat packages (QFP) with expo...
[i=s]This post was last edited by Bai Ding on 2015-12-26 09:21[/i] [[b]Abstract[/b]]Professor Hu Zhengming's main contribution is the invention of the fin field effect transistor (FinFET).[p=null, 2, ...
When I was asking about the registry, I came across the PlatformBuilder environment. However, I used the mobile SDK installed in vs2005 to develop win32 projects. I would like to know the difference b...
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
As cellular phones become more advanced, the power consumption of the system during operation and the power consumption during standby are also increasing. Therefore, the power management design of...[Details]
A standard cell
is an electrochemical
cell
used as a voltage reference standard in many electrical standards laboratories
. If properly maintained, standard cells are very stable. The ...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
In recent years, with the rapid development of the information industry, dot matrix LED display screens have been widely used in various advertising and information display systems such as the fina...[Details]
Today, the value of electronic components in cars accounts for 15-20% of the total vehicle. In the future, this proportion may be as high as 30-40% as more safety electronics, fuel consumption and ...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
Introduction
Nowadays, people pay more and more attention to the security alarm system, and people have higher and higher requirements for the functions and performance of the alarm. This paper prop...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
With the continuous advancement of various technologies in the field of measurement and control, the baseband subsystem of general measurement and control equipment has entered the fourth generation o...[Details]
Abstract: Based on the ZigBee parking lot SMS car search system, the location of the vehicle in the parking lot is sent to the owner through SMS, which is convenient for the owner to quickly find ...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
The power consumption of a switching power supply includes fixed losses caused by parasitic resistances such as semiconductor switches, magnetic components, and wiring, as well as switching losses ...[Details]
Power supply is often the most easily overlooked link in the circuit design process. In fact, as an excellent design, power supply design should be very important, which greatly affects the perfor...[Details]
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