[size=3]During this year, I believe you have participated in many wonderful activities organized by EEWORLD! I heard that some netizens have won so many awards, while others have never received any pr...
I am testing a low-level LED andit is still on at 1.2V.When I connect the test pin to a 3.6V power supply, theLED goes out .Is 1.2V still a low level?Also,the pin I want to test is usually suspended a...
[i=s] This post was last edited by qwqwqw2088 on 2019-2-27 08:52 [/i] [b][size=4]Ripple[/size][/b] [size=4]The output of a switching power supply is not truly constant. There is periodic jitter in the...
The single amplifier meets the specification for noise figure and again but fails to meet the return loss specification due to the large mis-matches on the input & outputs. To overcome this problem on...
Safety is the top priority in the production process, especially for dangerous operations. When the high-voltage line is shut down for maintenance, it is necessary to follow the regulations of powe...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
A financial analyst pointed out that the signal reception problems of Apple's 3G iPhone may be caused by some defective chips.
Richard Windsor, an analyst at Nomura Securities, said in a resea...[Details]
With the rapid development of the automobile industry, the requirements for automobile control, communication and networking are becoming more and more complex. The new generation of electronic co...[Details]
1. Introduction
The current information age is an era built on the basis of the network. IP networks based on TCP/IP protocols, such as Internet, Intranet and Extranet, are developing with...[Details]
After being widely adopted in applications such as backlighting of portable products with small and medium-sized screens, light-emitting diodes (LEDs) have entered the field of general lighting in ...[Details]
More than 80% of the information humans receive from the outside world comes from vision, and about 10% comes from hearing. The provision of people's entertainment needs will naturally transition f...[Details]
The ADSP-TS101-based high-speed signal processing system adopts an integrated system design. The hardware part introduces the design method of signal integrity analysis to design high-speed digital ci...[Details]
1 Introduction
Heat flow, also known as heat flux density, refers to the amount of heat (vector) transferred per unit area per unit time. Its characterization is the amount of heat transfe...[Details]
introduction
With the development of communication systems, communications are required to have higher transmission reliability and stronger anti-interference capabilities. In the process ...[Details]
Power measurements on RF transistors and RF integrated circuits are becoming increasingly complex. The most important measurement in high power device performance is the saturation power, which is ...[Details]
LonWorks (Local Operating Networks) was developed by the American company Echelon in the late 1980s. LonWorks is a complete, open, interoperable, mature and low-cost distributed control network tec...[Details]
Medical prosthetic hand design is expensive. How to choose the most economical solution for the product is a difficult problem for designers. The MC9S08QE is a cost-effective, general-purpose, low-...[Details]
Over the past two decades, as vehicle complexity has increased, engineers have upgraded ECUs from 8-bit MCUs to 16-bit and above devices. Currently, such a highly integrated 32-bit RISC MCU is Renesa...[Details]
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